Scientific Reports Physics Table of Contents e-alert: 29 November 2016

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29 November 2016      • Visit Scientific Reports • Submit your manuscript to Scientific Reports     Welcome to your Table of Contents e-alert for Scientific Reports           Physical Sciences               Parity–time-symmetric circular Bragg lasers: a proposal and analysis ▶     Jiahua Gu, Xiang Xi, Jingwen Ma et al.     We propose a new type of semiconductor lasers by implementing the concept of parity–time symmetry in a two-dimensional circular Bragg grating structure, where both the real and …             Unraveling the Planar-Globular Transition in Gold Nanoclusters through Evolutionary Search ▶     Alper Kinaci, Badri Narayanan, Fatih G. Sen et al.     Au nanoclusters are of technological relevance for catalysis, photonics, sensors, and of fundamental scientific interest owing to planar to globular structural transformation at …             Superstrength of nanograined steel with nanoscale intermetallic precipitates transformed from shock-compressed martensitic steel ▶     Hailiang Yu, Ming Yan, Cheng Lu et al.     An increasing number of industrial applications need superstrength steels. It is known that refined grains and nanoscale precipitates can increase strength. The hardest …             A novel bio-engineering approach to generate an eminent surface-functionalized template for selective detection of female sex pheromone of Helicoverpa armigera ▶     Parikshit Moitra, Deepa Bhagat, Rudra Pratap et al.     Plant pests exert serious effects on food production due to which the global crop yields are reduced by ~20–40 percent per year. Hence to meet the world’s food needs, loses of …             The Perfect Glass Paradigm: Disordered Hyperuniform Glasses Down to Absolute Zero ▶     G. Zhang, F. H. Stillinger, S. Torquato     Rapid cooling of liquids below a certain temperature range can result in a transition to glassy states. The traditional understanding of glasses includes their thermodynamic …             Droplet Merging on a Lab-on-a-Chip Platform by Uniform Magnetic Fields ▶     V. B. Varma, A. Ray, Z. M. Wang et al.     Droplet microfluidics offers a range of Lab-on-a-chip (LoC) applications. However, wireless and programmable manipulation of such droplets is a challenge. We address this …             Current induced polycrystalline-to-crystalline transformation in vanadium dioxide nanowires ▶     Junho Jeong, Zheng Yong, Arash Joushaghani et al.     Vanadium dioxide (VO2) exhibits a reversible insulator-metal phase transition that is of significant interest in energy-efficient nanoelectronic and nanophotonic devices. In …             Ultraviolet optomechanical crystal cavities with ultrasmall modal mass and high optomechanical coupling rate ▶     Wen Zhou, Zejie Yu, Jingwen Ma et al.     Optomechanical crystal (OMC) cavities which exploit the simultaneous photonic and phononic bandgaps in periodic nanostructures have been utilized to colocalize, couple, and …             Si doped T6 carbon structure as an anode material for Li-ion batteries: An ab initio study ▶     A. Rajkamal, E. Mathan Kumar, V. Kathirvel et al.     First-principles calculations are performed to identify the pristine and Si doped 3D metallic T6 carbon structure (having both sp2 and sp3 type hybridization) as a new carbon …             Laser Light Induced Transformation of Molybdenum Disulphide-Based Nanoplatelet Arrays ▶     Arūnas Jagminas, Gediminas Niaura, Rokas Žalnėravičius et al.     One-pot hydrothermal synthesis of MoS2 nanoplatelet arrays on various substrates is perhaps the most promising approach to fabricate efficient electrocatalysts for hydrogen …             Stress Wave Propagation in Two-dimensional Buckyball Lattice ▶     Jun Xu, Bowen Zheng     Orderly arrayed granular crystals exhibit extraordinary capability to tune stress wave propagation. Granular system of higher dimension renders many more stress wave patterns, …             Coexistence of superconductivity and ferromagnetism in Sr0.5Ce0.5FBiS2-xSex (x = 0.5 and 1.0), a non-U material with Tc < TFM ▶     Gohil S. Thakur, G. Fuchs, K. Nenkov et al.     We have carried out detailed magnetic and transport studies of the new Sr0.5Ce0.5FBiS2-xSex (0.0 ≤ x ≤ 1.0) superconductors derived by doping Se in Sr0.5Ce0.5FBiS2. Se–doping …             Temporally-coherent terawatt attosecond XFEL synchronized with a few cycle laser ▶     Sandeep Kumar, Yong Woon Parc, Alexandra S. Landsman et al.     Attosecond metrology using laser-based high-order harmonics has been significantly advanced and applied to various studies of electron dynamics in atoms, molecules and solids. …             A social contagious model of the obesity epidemic ▶     He Huang, Zhijun Yan, Yahong Chen et al.     Obesity has been recognized as a global epidemic by WHO, followed by many empirical evidences to prove its infectiousness. However, the inter-person spreading dynamics of obesity …             Robustness and Vulnerability of Networks with Dynamical Dependency Groups ▶     Ya-Nan Bai, Ning Huang, Lei Wang et al.     The dependency property and self-recovery of failure nodes both have great effects on the robustness of networks during the cascading process. Existing investigations focused …             Strong quantum scarring by local impurities ▶     Perttu J. J. Luukko, Byron Drury, Anna Klales et al.     We discover and characterise strong quantum scars, or quantum eigenstates resembling classical periodic orbits, in two-dimensional quantum wells perturbed by local impurities. …             Heteronanostructured Co@carbon nanotubes-graphene ternary hybrids: synthesis, electromagnetic and excellent microwave absorption properties ▶     Xiaosi Qi, Qi Hu, Hongbo Cai et al.     In order to explore high efficiency microwave absorption materials, heteronanostructured Co@carbon nanotubes-graphene (Co@CNTs-G) ternary hybrids were designed and produced …             Lévy random walks on multiplex networks ▶     Quantong Guo, Emanuele Cozzo, Zhiming Zheng et al.     Random walks constitute a fundamental mechanism for many dynamics taking place on complex networks. Besides, as a more realistic description of our society, multiplex networks …             Corrigendum: Lithium-ion-based solid electrolyte tuning of the carrier density in graphene ▶     Jialin Zhao, Meng Wang, Hui Li et al.                 Vectorized magnetometer for space applications using electrical readout of atomic scale defects in silicon carbide ▶     Corey J. Cochrane, Jordana Blacksberg, Mark A. Anders et al.     Magnetometers are essential for scientific investigation of planetary bodies and are therefore ubiquitous on missions in space. Fluxgate and optically pumped atomic gas based …             Scattering of nanowire surface plasmons coupled to quantum dots with azimuthal angle difference ▶     Po-Chen Kuo, Guang-Yin Chen, Yueh-Nan Chen     Coherent scatterings of surface plasmons coupled to quantun dots have attracted great attention in plasmonics. Recently, an experiment has shown that the quantum dots located …             Gaussian entanglement generation from coherence using beam-splitters ▶     Zhong-Xiao Wang, Shuhao Wang, Teng Ma et al.     The generation and quantification of quantum entanglement is crucial for quantum information processing. Here we study the transition of Gaussian correlation under the effect of …             Isotope effect in superconducting n-doped SrTiO3 ▶     A. Stucky, G. W. Scheerer, Z. Ren et al.     We report the influence on the superconducting critical temperature Tc in doped SrTiO3 of the substitution of the natural 16O atoms by the heavier isotope 18O. We observe that …             Erratum: The histone deacetylase inhibiting drug Entinostat induces lipid accumulation in differentiated HepaRG cells ▶     Abigail D. G. Nunn, Tullio Scopigno, Natalia Pediconi et al.                 Peptides Labeled with Pyridinium Salts for Sensitive Detection and Sequencing by Electrospray Tandem Mass Spectrometry ▶     Mateusz Waliczek, Monika Kijewska, Magdalena Rudowska et al.     Mass spectrometric analysis of trace amounts of peptides may be problematic due to the insufficient ionization efficiency resulting in limited sensitivity. One of the possible …             Boron-doped diamond semiconductor electrodes: Efficient photoelectrochemical CO2 reduction through surface modification ▶     Nitish Roy, Yuiri Hirano, Haruo Kuriyama et al.     Competitive hydrogen evolution and multiple proton-coupled electron transfer reactions limit photoelectrochemical CO2 reduction in aqueous electrolyte. Here, oxygen-terminated …             Evolution of cooperation under indirect reciprocity and arbitrary exploration rates ▶     Fernando P. Santos, Jorge M. Pacheco, Francisco C. Santos     Cooperation has been recognized as an evolutionary puzzle since Darwin, and remains identified as one of the biggest challenges of the XXIst century. Indirect Reciprocity (IR), a …             In vivo coherent Raman imaging of the melanomagenesis-associated pigment pheomelanin ▶     Hequn Wang, Sam Osseiran, Vivien Igras et al.     Melanoma is the most deadly form of skin cancer with a yearly global incidence over 232,000 patients. Individuals with fair skin and red hair exhibit the highest risk for …             Optimising Antibiotic Usage to Treat Bacterial Infections ▶     Iona K. Paterson, Andy Hoyle, Gabriela Ochoa et al.     The increase in antibiotic resistant bacteria poses a threat to the continued use of antibiotics to treat bacterial infections. The overuse and misuse of antibiotics has been …             In vivo measurement of hemodynamic information in stenosed rat blood vessels using X-ray PIV ▶     Hanwook Park, Jun Hong Park, Sang Joon Lee     Measurements of the hemodynamic information of blood flows, especially wall shear stress (WSS), in animal models with circulatory vascular diseases (CVDs) are important to …             Combining Multiple Hypothesis Testing with Machine Learning Increases the Statistical Power of Genome-wide Association Studies ▶     Bettina Mieth, Marius Kloft, Juan Antonio Rodríguez et al.     The standard approach to the analysis of genome-wide association studies (GWAS) is based on testing each position in the genome individually for statistical significance of its …             Atomic Resolution Interfacial Structure of Lead-free Ferroelectric K0.5Na0.5NbO3 Thin films Deposited on SrTiO3 ▶     Chao Li, Lingyan Wang, Zhao Wang et al.     Oxide interface engineering has attracted considerable attention since the discovery of its exotic properties induced by lattice strain, dislocation and composition change at the …             Ultrathin Co-O oxide layer-driven perpendicular magnetic anisotropy in a CoO/[Co/Pd]m multilayer matrix upon annealing ▶     Woo Seong Chung, Seung Mo Yang, Tae Whan Kim et al.     Ferromagnetic/noble metal multilayer (ML) frames are expected to serve as reliable building blocks in a variety of perpendicular magnetic anisotropy (PMA) based spintronic …             From Quasi-Planar B56 to Penta-Ring Tubular Ca©B56: Prediction of Metal-Stabilized Ca©B56 as the Embryo of Metal-Doped Boron α-Nanotubes ▶     Wen-Juan Tian, Qiang Chen, Xin-Xin Tian et al.     Motifs of planar metalloborophenes, cage-like metalloborospherenes, and metal-centered double-ring tubular boron species have been reported. Based on extensive first-principles …             Visualising Berry phase and diabolical points in a quantum exciton-polariton billiard ▶     E. Estrecho, T. Gao, S. Brodbeck et al.     Diabolical points (spectral degeneracies) can naturally occur in spectra of two-dimensional quantum systems and classical wave resonators due to simple symmetries. Geometric …             Loss-induced Enhanced Transmission in Anisotropic Density-near-zero Acoustic Metamaterials ▶     Chen Shen, Yun Jing     Anisotropic density-near-zero (ADNZ) acoustic metamaterials are investigated theoretically and numerically in this paper and are shown to exhibit extraordinary transmission …             Disorder and dephasing as control knobs for light transport in optical fiber cavity networks ▶     Silvia Viciani, Stefano Gherardini, Manuela Lima et al.     Transport phenomena represent a very interdisciplinary topic with applications in many fields of science, such as physics, chemistry, and biology. In this context, the …             Apparent Power Law Scaling of Variable Range Hopping Conduction in Carbonized Polymer Nanofibers ▶     Kyung Ho Kim, Samuel Lara-Avila, Hojin Kang et al.     We induce dramatic changes in the structure of conducting polymer nanofibers by carbonization at 800 °C and compare charge transport properties between carbonized and pristine …             Creating new layered structures at high pressures: SiS2 ▶     Dušan Plašienka, Roman Martoňák, Erio Tosatti     Old and novel layered structures are attracting increasing attention for their physical, electronic, and frictional properties. SiS2, isoelectronic to SiO2, CO2 and CS2, is a …             Flexible controls of scattering clouds using coding metasurfaces ▶     Shuo Liu, Tie Jun Cui     Metamaterials or metasurfaces have been designed to precisely manipulate the scattering at every angle. Here, we propose to control the probability of random scattering appearing …             A universal synthetic route to carbon nanotube/transition metal oxide nano-composites for lithium ion batteries and electrochemical capacitors ▶     Han Zhou, Lusi Zhang, Dongyang Zhang et al.     We report a simple synthetic approach to coaxially grow transition metal oxide (TMO) nanostructures on carbon nanotubes (CNT) with ready control of phase and morphology. A thin …             Effect of a weak transverse magnetic field on the microstructure in directionally solidified peritectic alloys ▶     Xi Li, Zhenyuan Lu, Yves Fautrelle et al.     Effect of a weak transverse magnetic field on the microstructures in directionally solidified Fe-Ni and Pb-Bi peritectic alloys has been investigated experimentally. The results …             A Facile Methodology for Engineering the Morphology of CsPbX3 Perovskite Nanocrystals under Ambient Condition ▶     Sudipta Seth, Anunay Samanta     A facile and highly reproducible room temperature, open atmosphere synthesis of cesium lead halide perovskite nanocrystals of six different morphologies is reported just by …             Amplification of resonant field enhancement by plasmonic lattice coupling in metallic slit arrays ▶     Pernille Klarskov, Abebe T. Tarekegne, Krzysztof Iwaszczuk et al.     Nonlinear spectroscopic investigation in the terahertz (THz) range requires significant field strength of the light fields. It is still a challenge to obtain the required field …             Correlation between superconductivity and bond angle of CrAs chain in non-centrosymmetric compounds A2Cr3As3 (A = K, Rb) ▶     Zhe Wang, Wei Yi, Qi Wu et al.     Non-centrosymmetric superconductors, whose crystal structure is absent of inversion symmetry, have recently received special attentions due to the expectation of unconventional …             Boosting photoresponse in silicon metal-semiconductor-metal photodetector using semiconducting quantum dots ▶     Chandan Biswas, Yonghwan Kim, Young Hee Lee     Silicon based metal-semiconductor-metal (MSM) photodetectors have faster photogeneration and carrier collection across the metal-semiconductor Schottky contacts, and CMOS …             Dressed Photons Induced Resistance Oscillation and Zero Resistance in Arrayed Simple Harmonic Oscillators with No Impurity ▶     Chih-Chun Chang, Guang-Yin Chen, Lee Lin     We investigate a system of an array of N simple harmonic oscillators (SHO) interacting with photons through QED interaction. As the energy of photon is around the spacing between …             Improving landscape inference by integrating heterogeneous data in the inverse Ising problem ▶     Pierre Barrat-Charlaix, Matteo Figliuzzi, Martin Weigt     The inverse Ising problem and its generalizations to Potts and continuous spin models have recently attracted much attention thanks to their successful applications in the …             Slowing down light using a dendritic cell cluster metasurface waveguide ▶     Z. H. Fang, H. Chen, F. S. Yang et al.     Slowing down or even stopping light is the first task to realising optical information transmission and storage. Theoretical studies have revealed that metamaterials can slow …             Redefining the Speed Limit of Phase Change Memory Revealed by Time-resolved Steep Threshold-Switching Dynamics of AgInSbTe Devices ▶     Krishna Dayal Shukla, Nishant Saxena, Suresh Durai et al.     Although phase-change memory (PCM) offers promising features for a ‘universal memory’ owing to high-speed and non-volatility, achieving fast electrical switching remains a key …             Fragmenting networks by targeting collective influencers at a mesoscopic level ▶     Teruyoshi Kobayashi, Naoki Masuda     A practical approach to protecting networks against epidemic processes such as spreading of infectious diseases, malware, and harmful viral information is to remove some …             Reconstructing Networks from Profit Sequences in Evolutionary Games via a Multiobjective Optimization Approach with Lasso Initialization ▶     Kai Wu, Jing Liu, Shuai Wang     Evolutionary games (EG) model a common type of interactions in various complex, networked, natural and social systems. Given such a system with only profit sequences being …             Curvature-driven bubbles or droplets on the spiral surface ▶     Shanpeng Li, Jianlin Liu, Jian Hou     Directional motion of droplets or bubbles can often be observed in nature and our daily life, and this phenomenon holds great potential in many engineering areas. The study shows …             Expedited Holonomic Quantum Computation via Net Zero-Energy-Cost Control in Decoherence-Free Subspace ▶     P. V. Pyshkin, Da-Wei Luo, Jun Jing et al.     Holonomic quantum computation (HQC) may not show its full potential in quantum speedup due to the prerequisite of a long coherent runtime imposed by the adiabatic condition. Here …             PbS Colloidal Quantum Dot Photodetectors operating in the near infrared ▶     Andrea De Iacovo, Carlo Venettacci, Lorenzo Colace et al.     Colloidal quantum dots have recently attracted lot of interest in the fabrication of optoelectronic devices due to their unique optical properties and their simple and low cost …             Controlling the Electromagnetic Field Confinement with Metamaterials ▶     Jordi Bonache, Gerard Zamora, Ferran Paredes et al.     The definition of a precise illumination region is essential in many applications where the electromagnetic field should be confined in some specific volume. By using …             Tuning the Weak Ferromagnetic States in Dysprosium Orthoferrite ▶     Shixun Cao, Lei Chen, Weiyao Zhao et al.     RFeO3 orthoferrites, where R is a rare-earth ion of the lanthanide series, are attracting attention mostly because of their promising fast spin dynamics. The magnetic properties …             A GdAlO3 Perovskite Oxide Electrolyte-Based NOx Solid-State Sensor ▶     Yihong Xiao, Dongmei Wang, Guohui Cai et al.     NOx is a notorious emission from motor vehicles and chemical factories as the precursor of acid rain and photochemical smog. Although zirconia-based NOx sensors have been …             In vivo characterization of hair and skin derived carbon quantum dots with high quantum yield as long-term bioprobes in zebrafish ▶     Jing-Hui Zhang, Aping Niu, Jing Li et al.     Carbon quantum dots (CDs) were widely investigated because of their tunable fluorescence properties and low toxicity. However, so far there have been no reports on in vivo …             Evolution of gossip-based indirect reciprocity on a bipartite network ▶     Francesca Giardini, Daniele Vilone     Cooperation can be supported by indirect reciprocity via reputation. Thanks to gossip, reputations are built and circulated and humans can identify defectors and ostracise them. …             Time-lapse 3-D measurements of a glucose biosensor in multicellular spheroids by light sheet fluorescence microscopy in commercial 96-well plates ▶     Vincent Maioli, George Chennell, Hugh Sparks et al.     Light sheet fluorescence microscopy has previously been demonstrated on a commercially available inverted fluorescence microscope frame using the method of oblique plane …             Wide-Field Detected Fourier Transform CARS Microscopy ▶     Alex Soares Duarte, Christoph Schnedermann, Philipp Kukura     We present a wide-field imaging implementation of Fourier transform coherent anti-Stokes Raman scattering (wide-field detected FT-CARS) microscopy capable of acquiring …             Ground states of a Bose-Einstein Condensate in a one-dimensional laser-assisted optical lattice ▶     Qing Sun, Jie Hu, Lin Wen et al.     We study the ground-state behavior of a Bose-Einstein Condensate (BEC) in a Raman-laser-assisted one-dimensional (1D) optical lattice potential forming a multilayer system. We …             Fabrication of Ion-Shaped Anisotropic Nanoparticles and their Orientational Imaging by Second-Harmonic Generation Microscopy ▶     Abdallah Slablab, Tero J. Isotalo, Jouni Mäkitalo et al.     Ion beam shaping is a novel and powerful tool to engineer nanocomposites with effective three-dimensional (3D) architectures. In particular, this technique offers the possibility …             A comparison of the performance of molecularly imprinted polymer nanoparticles for small molecule targets and antibodies in the ELISA format ▶     Katarzyna Smolinska-Kempisty, Antonio Guerreiro, Francesco Canfarotta et al.     Here we show that molecularly imprinted polymer nanoparticles, prepared in aqueous media by solid phase synthesis with immobilised L-thyroxine, glucosamine, fumonisin B2 or …             Authenticity screening of stained glass windows using optical spectroscopy ▶     Wendy Meulebroeck, Hilde Wouters, Karin Nys et al.     Civilized societies should safeguard their heritage as it plays an important role in community building. Moreover, past technologies often inspire new technology. Authenticity is …             Acceleration toward polarization singularity inspired by relativistic E×B drift ▶     Sunkyu Yu, Xianji Piao, Namkyoo Park     The relativistic trajectory of a charged particle driven by the Lorentz force is different from the classical one, by velocity-dependent relativistic acceleration term. Here we …             Ultra-wideband filtering of spoof surface plasmon polaritons using deep subwavelength planar structures ▶     Ming Zhe Hu, Hao Chi Zhang, Jia Yuan Yin et al.     Novel ultra-wideband filtering of spoof surface plasmon polaritons (SPPs) is proposed in the microwave frequency using deep subwavelength planar structures printed on thin and …             On-demand Hydrogen Production from Organosilanes at Ambient Temperature Using Heterogeneous Gold Catalysts ▶     Takato Mitsudome, Teppei Urayama, Taizo Kiyohiro et al.     An environmentally friendly (“green”), H2-generation system was developed that involved hydrolytic oxidation of inexpensive organosilanes as hydrogen storage materials with newly …             Unravelling the dynamical origin of below- and near-threshold harmonic generation of H2+ in an intense NIR laser field ▶     John Heslar, Shih-I. Chu     Recently, the study of near- and below- threshold regime harmonics as a potential source of intense coherent vacuum-ultraviolet radiation has received considerable attention. …             First in-flight synchrotron X-ray absorption and photoemission study of carbon soot nanoparticles ▶     F.-X. Ouf, P. Parent, C. Laffon et al.     Many studies have been conducted on the environmental impacts of combustion generated aerosols. Due to their complex composition and morphology, their chemical reactivity is not …             All-optical THz wave switching based on CH3NH3PbI3 perovskites ▶     Kyu-Sup Lee, Rira Kang, Byungwoo Son et al.     Hybrid structures of silicon with organic–inorganic perovskites are proposed for optically controllable switching of terahertz (THz) waves over a broad spectral range from 0.2 to …             Detecting and utilizing minority phases in heterogeneous catalysis ▶     Urs Hartfelder, Jagdeep Singh, Johannes Haase et al.     Highly active phases in carbon monoxide oxidation are known, however they are transient in nature. Here, we determined for the first time the structure of such a highly active …             Thermodynamic origin of instability in hybrid halide perovskites ▶     E. Tenuta, C. Zheng, O. Rubel     Degradation of hybrid halide perovskites under the influence of environmental factors impairs future prospects of using these materials as absorbers in solar cells. First …             Thermally induced magnetic relaxation in square artificial spin ice ▶     M. S. Andersson, S. D. Pappas, H. Stopfel et al.     The properties of natural and artificial assemblies of interacting elements, ranging from Quarks to Galaxies, are at the heart of Physics. The collective response and dynamics of …             Electrical Switching in Semiconductor-Metal Self-Assembled VO2 Disordered Metamaterial Coatings ▶     Sunil Kumar, Francis Maury, Naoufal Bahlawane     As a strongly correlated metal oxide, VO2 inspires several highly technological applications. The challenging reliable wafer-scale synthesis of high quality polycrystalline VO2 …             Transition from glass- to gel-like states in clay at a liquid interface ▶     A. Gholamipour-Shirazi, M. S. Carvalho, M. F. G. Huila et al.     Colloidal clay in water suspensions are known to exhibit a multitude of bulk phases depending on initial colloidal concentration and ionic strength, and examples of this include …             Glass-Forming Tendency of Molecular Liquids and the Strength of the Intermolecular Attractions ▶     Kajetan Koperwas, Karolina Adrjanowicz, Zaneta Wojnarowska et al.     When we cool down a liquid below the melting temperature, it can either crystallize or become supercooled, and then form a disordered solid called glass. Understanding what makes …             SCOUT: simultaneous time segmentation and community detection in dynamic networks ▶     Yuriy Hulovatyy, Tijana Milenković     Many evolving complex real-world systems can be modeled via dynamic networks. An important problem in dynamic network research is community detection, which finds groups of …             Helicity within the vortex filament model ▶     R. Hänninen, N. Hietala, H. Salman     Kinetic helicity is one of the invariants of the Euler equations that is associated with the topology of vortex lines within the fluid. In superfluids, the vorticity is …             An In Silico study of TiO2 nanoparticles interaction with twenty standard amino acids in aqueous solution ▶     Shengtang Liu, Xuan-Yu Meng, Jose Manuel Perez-Aguilar et al.     Titanium dioxide (TiO2) is probably one of the most widely used nanomaterials, and its extensive exposure may result in potentially adverse biological effects. Yet, the …             Castable Bulk Metallic Glass Strain Wave Gears: Towards Decreasing the Cost of High-Performance Robotics ▶     Douglas C. Hofmann, Raul Polit-Casillas, Scott N. Roberts et al.     The use of bulk metallic glasses (BMGs) as the flexspline in strain wave gears (SWGs), also known as harmonic drives, is presented. SWGs are unique, ultra-precision gearboxes …             Questioning the Mpemba effect: hot water does not cool more quickly than cold ▶     Henry C. Burridge, Paul F. Linden     The Mpemba effect is the name given to the assertion that it is quicker to cool water to a given temperature when the initial temperature is higher. This assertion seems …             Construction of a Miniaturized Chromatic Acclimation Sensor from Cyanobacteria with Reversed Response to a Light Signal ▶     Mitsuharu Nakajima, Stefano Ferri, Matthias Rögner et al.     Cyanobacteria harbor unique photoreceptors, designated as cyanobacteriochromes (CBCRs). In this study, we attempted to engineer the chromatic acclimation sensor CcaS, a CBCR …             Direct electrical control of IgG conformation and functional activity at surfaces ▶     Paola Ghisellini, Marialuisa Caiazzo, Andrea Alessandrini et al.     We have devised a supramolecular edifice involving His-tagged protein A and antibodies to yield surface immobilized, uniformly oriented, IgG-type, antibody layers with Fab …             Spatial Quantitation of Drugs in tissues using Liquid Extraction Surface Analysis Mass Spectrometry Imaging ▶     John G. Swales, Nicole Strittmatter, James W. Tucker et al.     Liquid extraction surface analysis mass spectrometry imaging (LESA-MSI) has been shown to be an effective tissue profiling and imaging technique, producing robust and reliable …             Cycles of circadian illuminance are sufficient to entrain and maintain circadian locomotor rhythms in Drosophila ▶     Eunjoo Cho, Ji Hye Oh, Euna Lee et al.     Light at night disrupts the circadian clock and causes serious health problems in the modern world. Here, we show that newly developed four-package light-emitting diodes (LEDs) …             Effects of MeJA on Arabidopsis metabolome under endogenous JA deficiency ▶     Jingjing Cao, Mengya Li, Jian Chen et al.     Jasmonates (JAs) play important roles in plant growth, development and defense. Comprehensive metabolomics profiling of plants under JA treatment provides insights into the …             MR Vascular Fingerprinting in Stroke and Brain Tumors Models ▶     B. Lemasson, N. Pannetier, N. Coquery et al.     In this study, we evaluated an MRI fingerprinting approach (MRvF) designed to provide high-resolution parametric maps of the microvascular architecture (i.e., blood volume …             Handspinning Enabled Highly Concentrated Carbon Nanotubes with Controlled Orientation in Nanofibers ▶     Hoik Lee, Kei Watanabe, Myungwoong Kim et al.     The novel method, handspinning (HS), was invented by mimicking commonly observed methods in our daily lives. The use of HS allows us to fabricate carbon nanotube-reinforced …             Exact research on the theory of the blackbody thermal radiation ▶     Xin Yang, Bing Wei     After studying the normalized Planck equation in depth, a brand-new type of spectrum curves of blackbody thermal radiation is given. Two important parameters of the new type …             Generation of a sub-diffraction hollow ring by shaping an azimuthally polarized wave ▶     Gang Chen, Zhi-xiang Wu, An-ping Yu et al.     The generation of a sub-diffraction optical hollow ring is of great interest in various applications, such as optical microscopy, optical tweezers, and nanolithography. …             Active Brownian particles and run-and-tumble particles separate inside a maze ▶     Maryam Khatami, Katrin Wolff, Oliver Pohl et al.     A diverse range of natural and artificial self-propelled particles are known and are used nowadays. Among them, active Brownian particles (ABPs) and run-and-tumble particles …             Experimental investigation into the oxidation reactivity and nanostructure of particulate matter from diesel engine fuelled with diesel/polyoxymethylene dimethyl ethers blends ▶     Hao Yang, Xinghu Li, Yan Wang et al.     This paper focuses on oxidation reactivity and nanostructural characteristics of particulate matter (PM) emitted from diesel engine fuelled with different volume proportions of …             Zeta potential in oil-water-carbonate systems and its impact on oil recovery during controlled salinity water-flooding ▶     Matthew D. Jackson, Dawoud Al-Mahrouqi, Jan Vinogradov     Laboratory experiments and field trials have shown that oil recovery from carbonate reservoirs can be increased by modifying the brine composition injected during recovery in a …             Fabrication of functional hollow microspheres constructed from MOF shells: Promising drug delivery systems with high loading capacity and targeted transport ▶     Xuechuan Gao, Xiao Hai, Huricha Baigude et al.     An advanced multifunctional, hollow metal-organic framework (MOF) drug delivery system with a high drug loading level and targeted delivery was designed and fabricated for the …             Smart-aggregation imaging for single molecule localisation with SPAD cameras ▶     Istvan Gyongy, Amy Davies, Neale A. W. Dutton et al.     Single molecule localisation microscopy (SMLM) has become an essential part of the super-resolution toolbox for probing cellular structure and function. The rapid evolution of …             High-Acquisition-Rate Single-Shot Pump-Probe Measurements Using Time-Stretching Method ▶     Masataka Kobayashi, Yasuo Minami, Courtney L. Johnson et al.     Recent advances of ultrafast spectroscopy allow the capture of an entire ultrafast signal waveform in a single probe shot, which greatly reduces the measurement time and opens …             Multi-Functional Carbon Fibre Composites using Carbon Nanotubes as an Alternative to Polymer Sizing ▶     T. R. Pozegic, J. V. Anguita, I. Hamerton et al.     Carbon fibre reinforced polymers (CFRP) were introduced to the aerospace, automobile and civil engineering industries for their high strength and low weight. A key feature of …             Dependence of phase configurations, microstructures and magnetic properties of iron-nickel (Fe-Ni) alloy nanoribbons on deoxidization temperature in hydrogen ▶     Panpan Jing, Mengting Liu, Yongping Pu et al.     Iron-nickel (Fe-Ni) alloy nanoribbons were reported for the first time by deoxidizing NiFe2O4 nanoribbons, which were synthesized through a handy route of electrospinning …             Discerning the Location and Nature of Coke Deposition from Surface to Bulk of Spent Zeolite Catalysts ▶     Arun Devaraj, Murugesan Vijayakumar, Jie Bao et al.     The formation of carbonaceous deposits (coke) in zeolite pores during catalysis leads to temporary deactivation of catalyst, necessitating regeneration steps, affecting …             Negative Magnetoresistance in Amorphous Indium Oxide Wires ▶     Sreemanta Mitra, Girish C Tewari, Diana Mahalu et al.     We study magneto-transport properties of several amorphous Indium oxide nanowires of different widths. The wires show superconducting transition at zero magnetic field, but, …             Nano sand filter with functionalized nanoparticles embedded in anodic aluminum oxide templates ▶     NguyenThi Phuong, Anugrah Andisetiawan, Do Van Lam et al.     Since the ancient Egyptians had used sand as filter media for water purification, its principle has been inherited through generations and it is still being used now in …             Hot electron induced non-saturation current behavior at high electric field in InAlN/GaN heterostructures with ultrathin barrier ▶     Lei Guo, Xuelin Yang, Anqi Hu et al.     The high-field transport characteristics of nearly lattice-matched InAlN/GaN heterostructures with different barrier thickness were investigated. It is found that the current in …             Room temperature electrically tunable rectification magnetoresistance in Ge-based Schottky devices ▶     Qi-kun Huang, Yi Yan, Kun Zhang et al.     Electrical control of magnetotransport properties is crucial for device applications in the field of spintronics. In this work, as an extension of our previous observation of …             Navigation by anomalous random walks on complex networks ▶     Tongfeng Weng, Jie Zhang, Moein Khajehnejad et al.     Anomalous random walks having long-range jumps are a critical branch of dynamical processes on networks, which can model a number of search and transport processes. However, …             Generation of macroscopic Schrödinger cat state in diamond mechanical resonator ▶     Qizhe Hou, Wanli Yang, Changyong Chen et al.     We propose a scheme to generate macroscopic Schrödinger cat state (SCS) in diamond mechanical resonator (DMR) via the dynamical strain-mediated coupling mechanism. In our model, …             Highly Bendable In-Ga-ZnO Thin Film Transistors by Using a Thermally Stable Organic Dielectric Layer ▶     Yogeenth Kumaresan, Yusin Pak, Namsoo Lim et al.     Flexible In-Ga-ZnO (IGZO) thin film transistor (TFT) on a polyimide substrate is produced by employing a thermally stable SA7 organic material as the multi-functional barrier and …             Possible generation of heat from nuclear fusion in Earth’s inner core ▶     Mikio Fukuhara     The cause and source of the heat released from Earth’s interior have not yet been determined. Some research groups have proposed that the heat is supplied by radioactive decay or …             Antibacterial ability and hemocompatibility of graphene functionalized germanium ▶     Hao Geng, Jiayun Dai, Jinhua Li et al.     Germanium (Ge), as an elemental semiconductor material, has been an attractive candidate for manufacturing semiconductor microelectronic device. In the present investigation, to …             Origin of long-lived quantum coherence and excitation dynamics in pigment-protein complexes ▶     Zhedong Zhang, Jin Wang     We explore the mechanism for the long-lived quantum coherence by considering the discrete phonon modes: these vibrational modes effectively weaken the exciton-environment …             A simplified computational memory model from information processing ▶     Lanhua Zhang, Dongsheng Zhang, Yuqin Deng et al.     This paper is intended to propose a computational model for memory from the view of information processing. The model, called simplified memory information retrieval network …             Manipulation of Optical Transmittance by Ordered-Oxygen-Vacancy in Epitaxial LaBaCo2O5.5+δ Thin Films ▶     Sheng Cheng, Jiangbo Lu, Dong Han et al.     Giant optical transmittance changes of over 300% in wide wavelength range from 500 nm to 2500 nm were observed in LaBaCo2O5.5+δ thin films annealed in air and ethanol ambient, …             Brain-inspired speech segmentation for automatic speech recognition using the speech envelope as a temporal reference ▶     Byeongwook Lee, Kwang-Hyun Cho     Speech segmentation is a crucial step in automatic speech recognition because additional speech analyses are performed for each framed speech segment. Conventional segmentation …             Stimulus-induced Epileptic Spike-Wave Discharges in Thalamocortical Model with Disinhibition ▶     Denggui Fan, Suyu Liu, Qingyun Wang     Epileptic absence seizure characterized by the typical 2–4 Hz spike-wave discharges (SWD) are known to arise due to the physiologically abnormal interactions within the …             Super-enhancement of 1.54 μm emission from erbium codoped with oxygen in silicon-on-insulator ▶     M. A. Lourenço, M. M. Milošević, A. Gorin et al.     We report on the super enhancement of the 1.54 μm Er emission in erbium doped silicon-on-insulator when codoped with oxygen at a ratio of 1:1. This is attributed to a more …             Increasing entropy for colloidal stabilization ▶     Songping Mo, Xuefeng Shao, Ying Chen et al.     Stability is of paramount importance in colloidal applications. Attraction between colloidal particles is believed to lead to particle aggregation and phase separation; hence, …             Influence of combined fundamental potentials in a nonlinear vibration energy harvester ▶     Pranay Podder, Dhiman Mallick, Andreas Amann et al.     Ambient mechanical vibrations have emerged as a viable energy source for low-power wireless sensor nodes aiming the upcoming era of the ‘Internet of Things’. Recently, …             Imaging of surface spin textures on bulk crystals by scanning electron microscopy ▶     Hiroshi Akamine, So Okumura, Sahar Farjami et al.     Direct observation of magnetic microstructures is vital for advancing spintronics and other technologies. Here we report a method for imaging surface domain structures on bulk …             Silicon deposition in nanopores using a liquid precursor ▶     Takashi Masuda, Narihito Tatsuda, Kazuhisa Yano et al.     Techniques for depositing silicon into nanosized spaces are vital for the further scaling down of next-generation devices in the semiconductor industry. In this study, we filled …             Surface studies of solids using integral X-ray-induced photoemission yield ▶     Stanislav Stoupin, Mikhail Zhernenkov, Bing Shi     X-ray induced photoemission yield contains structural information complementary to that provided by X-ray Fresnel reflectivity, which presents an advantage to a wide variety of …             Competition Between Resonant Plasmonic Coupling and Electrostatic Interaction in Reduced Graphene Oxide Quantum Dots ▶     Sanjay Karna, Meg Mahat, Tae-Youl Choi et al.     The light emission from reduced graphene oxide quantum dots (rGO-QDs) exhibit a significant enhancement in photoluminescence (PL) due to localized surface plasmon (LSP) …             Coherent control of double deflected anomalous modes in ultrathin trapezoid-shaped slit metasurface ▶     Z. Zhu, H. Liu, D. Wang et al.     Coherent light-matter interaction in ultrathin metamaterials has been demonstrated to dynamically modulate intensity, polarization and propagation direction of light. The …             New Fluoride-arsenide Diluted Magnetic Semiconductor (Ba,K)F(Zn,Mn)As with Independent Spin and Charge Doping ▶     Bijuan Chen, Zheng Deng, Wenmin Li et al.     We report the discovery of a new fluoride-arsenide bulk diluted magnetic semiconductor (Ba,K)F(Zn,Mn)As with the tetragonal ZrCuSiAs-type structure which is identical to that of …             Role of valence changes and nanoscale atomic displacements in BiS2-based superconductors ▶     Jie Cheng, Huifei Zhai, Yu Wang et al.     Superconductivity within layered crystal structures has attracted sustained interest among condensed matter community, primarily due to their exotic superconducting properties. …             Erratum: Symmetry Breaking by Surface Blocking: Synthesis of Bimorphic Silver Nanoparticles, Nanoscale Fishes and Apples ▶     Nicole Cathcart, Vladimir Kitaev                 Ultrasonic spray coating polymer and small molecular organic film for organic light-emitting devices ▶     Shihao Liu, Xiang Zhang, Letian Zhang et al.     Ultrasonic spray coating process (USCP) with high material -utilization, low manufacture costs and compatibility to streamline production has been attractive in researches on …             Growth Mechanisms of Inductively-Coupled Plasma Torch Synthesized Silicon Nanowires and their associated photoluminescence properties ▶     M. Agati, G. Amiard, V. Le Borgne et al.     Ultra-thin Silicon Nanowires (SiNWs) were produced by means of an industrial inductively-coupled plasma (ICP) based process. Two families of SiNWs have been identified, namely …             Close relationship between a dry-wet transition and a bubble rearrangement in two-dimensional foam ▶     Yujiro Furuta, Noriko Oikawa, Rei Kurita     Liquid foams are classified into a dry foam and a wet foam, empirically judging from the liquid fraction or the shape of the gas bubbles. It is known that physical properties …             Control on Surface Plasmon Polaritons Propagation Properties by Continuously Moving a Nanoparticle along a Silver Nanowire Waveguide ▶     Fan Wu, Wenhui Wang, Jiaojiao Hua et al.     Surface plasmon polaritons (SPPs)-based nanowire waveguides possess potential applications for nanophotonic circuits. Precise control on the propagation of SPPs in metal …             As-grown graphene/copper nanoparticles hybrid nanostructures for enhanced intensity and stability of surface plasmon resonance ▶     Yun-Fei Li, Feng-Xi Dong, Yang Chen et al.     The transfer-free fabrication of the high quality graphene on the metallic nanostructures, which is highly desirable for device applications, remains a challenge. Here, we …             Direct observation of electronic-liquid-crystal phase transitions and their microscopic origin in La1/3Ca2/3MnO3 ▶     J. Tao, K. Sun, W.-G. Yin et al.     The ground-state electronic order in doped manganites is frequently associated with a lattice modulation, contributing to their many interesting properties. However, measuring …             Energetics of vacancy segregation to [100] symmetric tilt grain boundaries in bcc tungsten ▶     Nanjun Chen, Liang-Liang Niu, Ying Zhang et al.     The harsh irradiation environment poses serious threat to the structural integrity of leading candidate for plasma-facing materials, tungsten (W), in future nuclear fusion …             Multifunctional single beam acoustic tweezer for non-invasive cell/organism manipulation and tissue imaging ▶     Kwok Ho Lam, Ying Li, Yang Li et al.     Non-contact precise manipulation of single microparticles, cells, and organisms has attracted considerable interest in biophysics and biomedical engineering. Similar to optical …             Screening on binary Ti alloy with excellent mechanical property and castability for dental prosthesis application ▶     H. F. Li, K. J. Qiu, W. Yuan et al.     In the present study, the microstructure, mechanical property, castability, corrosion behavior and in vitro cytocompatibility of binary Ti–2X alloys with various alloying …             A Rapid Response Thin-Film Plasmonic-Thermoelectric Light Detector ▶     Ying Pan, Giulia Tagliabue, Hadi Eghlidi et al.     Light detection and quantification is fundamental to the functioning of a broad palette of technologies. While expensive avalanche photodiodes and superconducting bolometers are …             Bandgap tuning of mixed organic cation utilizing chemical vapor deposition process ▶     Jeongmo Kim, Hyeong Pil Kim, Mohd Asri Mat Teridi et al.     Bandgap tuning of a mixed organic cation perovskite is demonstrated via chemical vapor deposition process. The optical and electrical properties of the mixed organic cation …             Reduced dynamical maps in the presence of initial correlations ▶     Bassano Vacchini, Giulio Amato     We introduce a framework for the construction of completely positive dynamical evolutions in the presence of system-environment initial correlations. The construction relies upon …             Ultra-broadband Reflective Metamaterial with RCS Reduction based on Polarization Convertor, Information Entropy Theory and Genetic Optimization Algorithm ▶     Si Jia Li, Xiang Yu Cao, Li Ming Xu et al.     We proposed an ultra-broadband reflective metamaterial with controlling the scattering electromagnetic fields based on a polarization convertor. The unit cell of the polarization …             Molecular mechanism of carbon nanotube to activate Subtilisin Carlsberg in polar and non-polar organic media ▶     Liyun Zhang, Yuzhi Li, Yuan Yuan et al.     In the work, we mainly used molecular dynamics (MD) simulation and protein structure network (PSN) to study subtilisin Carlsberg (SC) immobilized onto carbon nanotube (CNT) in …             Exploring Spatio-temporal Dynamics of Cellular Automata for Pattern Recognition in Networks ▶     Gisele Helena Barboni Miranda, Jeaneth Machicao, Odemir Martinez Bruno     Network science is an interdisciplinary field which provides an integrative approach for the study of complex systems. In recent years, network modeling has been used for the …             Three-dimensional label-free imaging and quantification of lipid droplets in live hepatocytes ▶     Kyoohyun Kim, SeoEun Lee, Jonghee Yoon et al.     Lipid droplets (LDs) are subcellular organelles with important roles in lipid storage and metabolism and involved in various diseases including cancer, obesity, and diabetes. …             Cas9-catalyzed DNA Cleavage Generates Staggered Ends: Evidence from Molecular Dynamics Simulations ▶     Zhicheng Zuo, Jin Liu     The CRISPR-associated endonuclease Cas9 from Streptococcus pyogenes (spCas9) along with a single guide RNA (sgRNA) has emerged as a versatile toolbox for genome editing. Despite …             Electrical Stimulus Controlled Binding/Unbinding of Human Thrombin-Aptamer Complex ▶     Agnivo Gosai, Xiao Ma, Ganesh Balasubramanian et al.     The binding/unbinding of the human thrombin and its 15-mer single stranded DNA aptamer, under the application of external stimulus in the form of electrostatic potential/electric …             Imaging Cellular Dynamics with Spectral Relaxation Imaging Microscopy: Distinct Spectral Dynamics in Golgi Membranes of Living Cells ▶     Alireza Lajevardipour, James W. M. Chon, Amitabha Chattopadhyay et al.     Spectral relaxation from fluorescent probes is a useful technique for determining the dynamics of condensed phases. To this end, we have developed a method based on wide-field …             In situ synthesis, enhanced luminescence and application in dye sensitized solar cells of Y2O3/Y2O2S:Eu3+ nanocomposites by reduction of Y2O3:Eu3+ ▶     Guohai Yuan, Mingxia Li, Mingqi Yu et al.     Y2O3/Y2O2S:Eu3+ nanocomposites were successfully prepared by reducing Y2O3:Eu3+ nanocrystals. The obtained Y2O3/Y2O2S:Eu3+ nanocomposites not only can emit enhanced red …             Complex lasso: new entangled motifs in proteins ▶     Wanda Niemyska, Pawel Dabrowski-Tumanski, Michal Kadlof et al.     We identify new entangled motifs in proteins that we call complex lassos. Lassos arise in proteins with disulfide bridges (or in proteins with amide linkages), when termini of a …             Visualizing epithelial expression of EGFR in vivo with distal scanning side-viewing confocal endomicroscope ▶     Xiyu Duan, Haijun Li, Juan Zhou et al.     Confocal endomicroscopy is an emerging imaging technology that has recently been introduced into the clinic to instantaneously collect “optical biopsies” in vivo with …             Automatic Identification of Systolic Time Intervals in Seismocardiogram ▶     Ghufran Shafiq, Sivanagaraja Tatinati, Wei Tech Ang et al.     Continuous and non-invasive monitoring of hemodynamic parameters through unobtrusive wearable sensors can potentially aid in early detection of cardiac abnormalities, and …             In-depth comparison of somatic point mutation callers based on different tumor next-generation sequencing depth data ▶     Lei Cai, Wei Yuan, Zhou Zhang et al.     Four popular somatic single nucleotide variant (SNV) calling methods (Varscan, SomaticSniper, Strelka and MuTect2) were carefully evaluated on the real whole exome sequencing …             Hierarchical effects of pro-inflammatory cytokines on the post-influenza susceptibility to pneumococcal coinfection ▶     Stefanie Duvigneau, Niharika Sharma-Chawla, Alessandro Boianelli et al.     In the course of influenza A virus (IAV) infections, a secondary bacterial infection frequently leads to serious respiratory conditions provoking high hospitalization and death …                 • Careers & Jobs           naturejobs.com Science jobs of the week       Research Associate     The University of Manchester            PhD Studentships     Max Planck Institute of Molecular Physiology            Research Technician     University of Bristol            Postdoctoral Training Fellow     The Francis Crick Institute            Postdoctoral Research Assistant     University of Dundee            Postdoctoral Fellowships     Cleveland Clinic Lerner Research Institute            Postdoctoral Fellow     Johns Hopkins University            Postdoctoral Research Associate     Arizona State University, Biodesign Institute            Postdoctoral Research Associate / Fellow     University of Exeter            Lord Kelvin Adam Smith Research Fellowships     University of Glasgow          No matter what your career stage, student, postdoc or senior scientist, you will find articles on naturejobs.com to help guide you in your science career. 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