Scientific Reports Physics Table of Contents e-alert: 10 March 2015

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10 March 2015      • Visit Scientific Reports • Submit your manuscript to Scientific Reports     Welcome to your Table of Contents e-alert for Scientific Reports               Physical Sciences               Interfacial dominated ferromagnetism in nanograined ZnO: a μSR and DFT study ▶     Thomas Tietze, Patrick Audehm, Yu–Chun Chen et al.     Diamagnetic oxides can, under certain conditions, become ferromagnetic at room temperature and therefore are promising candidates for future material in spintronic devices. …             Direction-Controlled Chemical Doping for Reversible G-Phonon Mixing in ABC Trilayer Graphene ▶     Kwanghee Park, Sunmin Ryu     Not only the apparent atomic arrangement but the charge distribution also defines the crystalline symmetry that dictates the electronic and vibrational structures. In this work, …             Cascade exciton-pumping engines with manipulated speed and efficiency in light-harvesting porous π-network films ▶     Cheng Gu, Ning Huang, Fei Xu et al.     Light-harvesting antennae are the machinery for exciton pumping in natural photosynthesis, whereas cascade energy transfer through chlorophyll is key to long-distance, efficient …             Photo-catalytic Activities of Plant Hormones on Semiconductor Nanoparticles by Laser-Activated Electron Tunneling and Emitting ▶     Xuemei Tang, Lulu Huang, Wenyang Zhang et al.     Understanding of the dynamic process of laser-induced ultrafast electron tunneling is still very limited. It has been thought that the photo-catalytic reaction of adsorbents on …             Superior broadband antireflection from buried Mie resonator arrays for high-efficiency photovoltaics ▶     Sihua Zhong, Yang Zeng, Zengguang Huang et al.     Establishing reliable and efficient antireflection structures is of crucial importance for realizing high-performance optoelectronic devices such as solar cells. In this study, …             Controllable Thermal Rectification Realized in Binary Phase Change Composites ▶     Renjie Chen, Yalong Cui, He Tian et al.     Phase transition is a natural phenomenon happened around our daily life, represented by the process from ice to water. While melting and solidifying at a certain temperature, a …             Achieving large linear elasticity and high strength in bulk nanocompsite via synergistic effect ▶     Shijie Hao, Lishan Cui, Fangmin Guo et al.     Elastic strain in bulk metallic materials is usually limited to only a fraction of 1%. Developing bulk metallic materials showing large linear elasticity and high strength has …             Freely designable optical frequency conversion in Raman-resonant four-wave-mixing process ▶     Jian Zheng, Masayuki Katsuragawa     Nonlinear optical processes are governed by the relative-phase relationships among the relevant electromagnetic fields in these processes. In this Report, we describe the physics …             Unexpected Magnetic Semiconductor Behavior in Zigzag Phosphorene Nanoribbons Driven by Half-Filled One Dimensional Band ▶     Yongping Du, Huimei Liu, Bo Xu et al.     Phosphorene, as a novel two-dimensional material, has attracted a great interest due to its novel electronic structure. The pursuit of controlled magnetism in Phosphorene in …             Active control of electromagnetic radiation through an enhanced thermo-optic effect ▶     Chong Sheng, Hui Liu, Shining Zhu et al.     The control of electromagnetic radiation in transformation optical metamaterials brings the development of vast variety of optical devices. Of a particular importance is the …             High-temperature Superconductivity in compressed Solid Silane ▶     Huadi Zhang, Xilian Jin, Yunzhou Lv et al.     Crystal structures of silane have been extensively investigated using ab initio evolutionary simulation methods at high pressures. Two metallic structures with P21/c and C2/m …             Development of Bipolar All-solid-state Lithium Battery Based on Quasi-solid-state Electrolyte Containing Tetraglyme-LiTFSA Equimolar Complex ▶     Yoshiyuki Gambe, Yan Sun, Itaru Honma     The development of high energy–density lithium-ion secondary batteries as storage batteries in vehicles is attracting increasing attention. In this study, high-voltage bipolar …             ZnO-dotted porous ZnS cluster microspheres for high efficient, Pt-free photocatalytic hydrogen evolution ▶     Aiping Wu, Liqiang Jing, Jianqiang Wang et al.     The Pt-free photocatalytic hydrogen evolution (PHE) has been the focus in the photocatalysis field. Here, the ZnO-dotted porous ZnS cluster microsphere (PCMS) is designed for …             Methoxy-modified kaolinite as a novel carrier for high-capacity loading and controlled-release of the herbicide amitrole ▶     Daoyong Tan, Peng Yuan, Faïza Annabi-Bergaya et al.     Methoxy-modified kaolinite was used as a novel carrier for loading and release of the herbicide 3-amino-1,2,4-triazole, known as amitrole (abbreviated here as AMT). The methoxy …             Statistical Thermodynamics of Irreversible Aggregation: The Sol-Gel Transition ▶     Themis Matsoukas     Binary aggregation is known to lead, under certain kinetic rules, to the coexistence of two populations, one consisting of finite-size clusters (sol), and one that contains a …             In vivo Quantification of the Structural Changes of Collagens in a Melanoma Microenvironment with Second and Third Harmonic Generation Microscopy ▶     Pei-Chun Wu, Tsung-Yuan Hsieh, Zen-Uong Tsai et al.     Using in vivo second harmonic generation (SHG) and third harmonic generation (THG) microscopies, we tracked the course of collagen remodeling over time in the same melanoma …             Metabolomic identification of biochemical changes induced by fluoxetine and imipramine in a chronic mild stress mouse model of depression ▶     Jing Zhao, Yang-Hee Jung, Choon-Gon Jang et al.     Metabolomics was applied to a C57BL/6N mouse model of chronic unpredictable mild stress (CMS). Such mice were treated with two antidepressants from different categories: …             Pattern segmentation with activity dependent natural frequency shift and sub-threshold resonance ▶     E. Shtrahman, M. Zochowski     Understanding the mechanisms underlying distributed pattern formation in brain networks and its content driven dynamical segmentation is an area of intense study. We investigate …             A three-dimensional phase diagram of growth-induced surface instabilities ▶     Qiming Wang, Xuanhe Zhao     A variety of fascinating morphological patterns arise on surfaces of growing, developing or aging tissues, organs and microorganism colonies. These patterns can be classified …             Microrheology with Optical Tweezers: Measuring the relative viscosity of solutions ‘at a glance’ ▶     Manlio Tassieri, Francesco Del Giudice, Emma J. Robertson et al.     We present a straightforward method for measuring the relative viscosity of fluids via a simple graphical analysis of the normalised position autocorrelation function of an …             Three-dimensional Aerographite-GaN hybrid networks: Single step fabrication of porous and mechanically flexible materials for multifunctional applications ▶     Arnim Schuchardt, Tudor Braniste, Yogendra K. Mishra et al.     Three dimensional (3D) elastic hybrid networks built from interconnected nano- and microstructure building units, in the form of semiconducting-carbonaceous materials, are …             Surface properties of atomically flat poly-crystalline SrTiO3 ▶     Sungmin Woo, Hoidong Jeong, Sang A. Lee et al.     Comparison between single- and the poly-crystalline structures provides essential information on the role of long-range translational symmetry and grain boundaries. In …             Defining the light emitting area for displays in the unipolar regime of highly efficient light emitting transistors ▶     Mujeeb Ullah, Ardalan Armin, Kristen Tandy et al.     Light-emitting field effect transistors (LEFETs) are an emerging class of multifunctional optoelectronic devices. It combines the light emitting function of an OLED with the …             Perturbation theory of a superconducting 0 − π impurity quantum phase transition ▶     M. Žonda, V. Pokorný, V. Janiš et al.     A single-level quantum dot with Coulomb repulsion attached to two superconducting leads is studied via the perturbation expansion in the interaction strength. We use the Nambu …             Effect of Bed Characters on the Direct Synthesis of Dimethyldichlorosilane in Fluidized Bed Reactor ▶     Pan Zhang, Ji H. Duan, Guang H. Chen et al.     This paper presents the numerical investigation of the effects of the general bed characteristics such as superficial gas velocities, bed temperature, bed heights and particle …             Majorana fermions in ferromagnetic chains on the surface of bulk spin-orbit coupled s-wave superconductors ▶     Hoi-Yin Hui, P. M. R. Brydon, Jay D. Sau et al.     Majorana fermion (MF) excitations in solid state system have non-Abelian statistics which is essential for topological quantum computation. Previous proposals to realize MF, …             Outlier-resilient complexity analysis of heartbeat dynamics ▶     Men-Tzung Lo, Yi-Chung Chang, Chen Lin et al.     Complexity in physiological outputs is believed to be a hallmark of healthy physiological control. How to accurately quantify the degree of complexity in physiological signals …             Finding communities in sparse networks ▶     Abhinav Singh, Mark D. Humphries     Spectral algorithms based on matrix representations of networks are often used to detect communities, but classic spectral methods based on the adjacency matrix and its variants …             Substitution-induced spin-splitted surface states in topological insulator (Bi1−xSbx)2Te3 ▶     Xiaoyue He, Hui Li, Lan Chen et al.     We present a study on surface states of topological insulator (Bi1−xSbx)2Te3 by imaging quasiparticle interference patterns (QPI) using low temperature scanning tunneling …             An evolutionary inspection game with labour unions on small-world networks ▶     Salahuddin M. Kamal, Yas Al-Hadeethi, Fouad A. Abolaban et al.     We study an evolutionary inspection game where agents can chose between working and shirking. The evolutionary process is staged on a small-world network, through which agents …             Origin of 1/f noise in hydration dynamics on lipid membrane surfaces ▶     Eiji Yamamoto, Takuma Akimoto, Masato Yasui et al.     Water molecules on lipid membrane surfaces are known to contribute to membrane stability by connecting lipid molecules and acting as a water bridge. Although water structures and …             Geometrical tradeoffs in graphene-based deeply-scaled electrically reconfigurable metasurfaces ▶     Sara Arezoomandan, Berardi Sensale-Rodriguez     In this work we study the terahertz light propagation through deeply-scaled graphene-based reconfigurable metasurfaces, i.e. metasurfaces with unit-cell dimensions much smaller …             Peripheral Substitution: An Easy Way to Tuning the Magnetic Behavior of Tetrakis(phthalocyaninato) Dysprosium(III) SMMs ▶     Hong Shang, Suyuan Zeng, Hailong Wang et al.     Two tetrakis(phthalocyaninato) dysprosium(III)-cadmium(II) single-molecule magnets (SMMs) with different extent of phthalocyanine peripheral substitution and therefore different …             Discrete Li-occupation versus pseudo-continuous Na-occupation and their relationship with structural change behaviors in Fe2(MoO4)3 ▶     Ji-Li Yue, Yong-Ning Zhou, Si-Qi Shi et al.     The key factors governing the single-phase or multi-phase structural change behaviors during the intercalation/deintercalation of guest ions have not been well studied and …             An organic transistor-based system for reference-less electrophysiological monitoring of excitable cells ▶     A. Spanu, S. Lai, P. Cosseddu et al.     In the last four decades, substantial advances have been done in the understanding of the electrical behavior of excitable cells. From the introduction in the early 70's of the …             Comparison of laser and intense pulsed light sintering (IPL) for inkjet-printed copper nanoparticle layers ▶     Juha Niittynen, Enrico Sowade, Hyunkyoo Kang et al.     In this contribution we discuss the sintering of an inkjet-printed copper nanoparticle ink based on electrical performance and microstructure analysis. Laser and intense pulsed …             Submarine fresh groundwater discharge into Laizhou Bay comparable to the Yellow River flux ▶     Xuejing Wang, Hailong Li, Jiu Jimmy Jiao et al.     Near- and off-shore fresh groundwater resources become increasingly important with the social and economic development in coastal areas. Although large scale (hundreds of km) …             Can clays ensure nuclear waste repositories? ▶     A. Zaoui, W. Sekkal     Research on argillite as a possible host rock for nuclear waste disposal is still an open subject since many issues need to be clarified. In the Underground Research Laboratories …             Real-time Measurement of Biomagnetic Vector Fields in Functional Syncytium Using Amorphous Metal ▶     Shinsuke Nakayama, Tusyoshi Uchiyama     Magnetic field detection of biological electric activities would provide a non-invasive and aseptic estimate of the functional state of cellular organization, namely a syncytium …             Measurement of real pulsatile blood flow using X-ray PIV technique with CO2 microbubbles ▶     Hanwook Park, Eunseop Yeom, Seung-Jun Seo et al.     Synchrotron X-ray imaging technique has been used to investigate biofluid flows in a non-destructive manner. This study aims to investigate the feasibility of the X-ray PIV …             Lipid droplets hypertrophy: a crucial determining factor in insulin regulation by adipocytes ▶     Bahram Sanjabi, Monireh Dashty, Behiye Özcan et al.     Lipid droplets (LDs) hypertrophy in adipocytes is the main cause of energy metabolic system dysfunction, obesity and its afflictions such as T2D. However, the role of adipocytes …             Photo-induced optical activity in phase-change memory materials ▶     Konstantin B. Borisenko, Janaki Shanmugam, Benjamin A. O. Williams et al.     We demonstrate that optical activity in amorphous isotropic thin films of pure Ge2Sb2Te5 and N-doped Ge2Sb2Te5N phase-change memory materials can be induced using rapid photo …             Monodisperse Porous Silicon Spheres as Anode Materials for Lithium Ion Batteries ▶     Wei Wang, Zachary Favors, Robert Ionescu et al.     Highly monodisperse porous silicon nanospheres (MPSSs) are synthesized via a simple and scalable hydrolysis process with subsequent surface-protected magnesiothermic reduction. …             Enhancing spoof surface-plasmons with gradient metasurfaces ▶     Ling-Bao Kong, Cheng-Ping Huang, Chao-Hai Du et al.     The coupling between surface plasmons and free electrons may be used to amplify waves or accelerate particles. Nonetheless, such an interaction is usually weak due to the small …             Super low threshold plasmonic WGM lasing from an individual ZnO hexagonal microrod on an Au substrate for plasmon lasers ▶     H. M. Dong, Y. H. Yang, G. W. Yang     We demonstrate an individual ZnO hexagonal microrod on the surface of an Au substrate which can become new sources for manufacturing miniature ZnO plasmon lasers by surface …             Effect of solute atoms on dislocation motion in Mg: An electronic structure perspective ▶     T. Tsuru, D. C. Chrzan     Solution strengthening is a well-known approach to tailoring the mechanical properties of structural alloys. Ultimately, the properties of the dislocation/solute interaction are …             Intercalation and Retention of Carbon Dioxide in a Smectite Clay promoted by Interlayer Cations ▶     L. Michels, J. O. Fossum, Z. Rozynek et al.     A good material for CO2 capture should possess some specific properties: (i) a large effective surface area with good adsorption capacity, (ii) selectivity for CO2, (iii) …             Revealing bending and force in a soft body through a plant root inspired approach ▶     Chiara Lucarotti, Massimo Totaro, Ali Sadeghi et al.     An emerging challenge in soft robotics research is to reveal mechanical solicitations in a soft body. Nature provides amazing clues to develop unconventional components that are …             Electrocatalysis of Lithium Polysulfides: Current Collectors as Electrodes in Li/S Battery Configuration ▶     Ganguli Babu, Khalid Ababtain, K. Y. Simon Ng et al.     Lithium Sulfur (Li/S) chemistries are amongst the most promising next-generation battery technologies due to their high theoretical energy density. However, the detrimental …             Manipulating Topological States by Imprinting Non-Collinear Spin Textures ▶     Robert Streubel, Luyang Han, Mi-Young Im et al.     Topological magnetic states, such as chiral skyrmions, are of great scientific interest and show huge potential for novel spintronics applications, provided their topological …             Spatio-temporal behaviour of atomic-scale tribo-ceramic films in adaptive surface engineered nano-materials ▶     G. Fox-Rabinovich, A. Kovalev, S. Veldhuis et al.     Atomic-scale, tribo-ceramic films associated with dissipative structures formation are discovered under extreme frictional conditions which trigger self-organization. For the …             Photoinduced modulation and relaxation characteristics in LaAlO3/SrTiO3 heterointerface ▶     K. X. Jin, W. Lin, B. C. Luo et al.     We report the modulation and relaxation characteristics in the two-dimensional electron gas system at LaAlO3/SrTiO3 heterointerface induced by the ultraviolet light illumination …             Switching from Visibility to Invisibility via Fano Resonances: Theory and Experiment ▶     Mikhail V. Rybin, Dmitry S. Filonov, Pavel A. Belov et al.     Subwavelength structures demonstrate many unusual optical properties which can be employed for engineering of a new generation of functional metadevices, as well as controlled …             Double-scattering/reflection in a Single Nanoparticle for Intensified Ultrasound Imaging ▶     Kun Zhang, Hangrong Chen, Xiasheng Guo et al.     Ultrasound contrast agents (UCAs) designed by the conventional composition-based strategy, often suffer from relatively low ultrasound utilization efficiency. In this report, a …             Tuning Locality of Pair Coherence in Graphene-based Andreev Interferometers ▶     Minsoo Kim, Dongchan Jeong, Gil-Ho Lee et al.     We report on gate-tuned locality of superconductivity-induced phase-coherent magnetoconductance oscillations in a graphene-based Andreev interferometer, consisting of a T-shaped …             CORRIGENDUM: Large cities are less green ▶     Erneson A. Oliveira, José S. Andrade Jr., Hernán A. Makse                 ERRATUM: Long-range magnetic interaction and frustration in double perovskites Sr2NiIrO6 and Sr2ZnIrO6 ▶     Xuedong Ou, Zhengwei Li, Fengren Fan et al.                 Well-Constructed Single-Layer Molybdenum Disulfide Nanorose Cross-Linked by Three Dimensional-Reduced Graphene Oxide Network for Superior Water Splitting and Lithium Storage Property ▶     Yanyan Zhao, Long Kuai, Yanguo Liu et al.     A facile one-step solution reaction route for growth of novel MoS2 nanorose cross-linked by 3D rGO network, in which the MoS2 nanorose is constructed by single-layered or …             Insight into Bio-metal Interface Formation in vacuo: Interplay of S-layer Protein with Copper and Iron ▶     Anna A. Makarova, Elena V. Grachova, Vera S. Neudachina et al.     The mechanisms of interaction between inorganic matter and biomolecules, as well as properties of resulting hybrids, are receiving growing interest due to the rapidly developing …             Negative differential conductance and super-Poissonian shot noise in single-molecule magnet junctions ▶     Hai-Bin Xue, Jiu-Qing Liang, Wu-Ming Liu     Molecular spintroinic device based on a single-molecule magnet is one of the ultimate goals of semiconductor nanofabrication technologies. It is thus necessary to understand the …             Controllable fabrication and magnetic properties of double-shell cobalt oxides hollow particles ▶     Dan Zhang, Jianyu Zhu, Ning Zhang et al.     Double-shell cobalt monoxide (CoO) hollow particles were successfully synthesized by a facile and effective one-pot solution-based synthetic route. The inner architecture and …             Coupled Néel domain wall motion in sandwiched perpendicular magnetic anisotropy nanowires ▶     I. Purnama, I. S. Kerk, G. J. Lim et al.     The operating performance of a domain wall-based magnetic device relies on the controlled motion of the domain walls within the ferromagnetic nanowires. Here, we report on the …             Analytical Solution for the Anisotropic Rabi Model: Effects of Counter-Rotating Terms ▶     Guofeng Zhang, Hanjie Zhu     The anisotropic Rabi model, which was proposed recently, differs from the original Rabi model: the rotating and counter-rotating terms are governed by two different coupling …             Latent instabilities in metallic LaNiO3 films by strain control of Fermi-surface topology ▶     Hyang Keun Yoo, Seung Ill Hyun, Luca Moreschini et al.     Strain control is one of the most promising avenues to search for new emergent phenomena in transition-metal-oxide films. Here, we investigate the strain-induced changes of …             Pressure-induced zigzag phosphorus chain and superconductivity in boron monophosphide ▶     Xinyu Zhang, Jiaqian Qin, Hanyu Liu et al.     We report on the prediction of the zinc-blende structure BP into a novel C2/m phase from 113 to 208 GPa which possesses zigzag phosphorus chain structure, followed by another P42/…             Halloysite Nanotubes Capturing Isotope Selective Atmospheric CO2 ▶     Subhra Jana, Sankar Das, Chiranjit Ghosh et al.     With the aim to capture and subsequent selective trapping of CO2, a nanocomposite has been developed through selective modification of the outer surface of the halloysite …             Improving Prediction of Prostate Cancer Recurrence using Chemical Imaging ▶     Jin Tae Kwak, André Kajdacsy-Balla, Virgilia Macias et al.     Precise Outcome prediction is crucial to providing optimal cancer care across the spectrum of solid cancers. Clinically-useful tools to predict risk of adverse events …             Non-thermal plasma with 2-deoxy-D-glucose synergistically induces cell death by targeting glycolysis in blood cancer cells ▶     Neha Kaushik, Su Jae Lee, Tae Gyu Choi et al.     In this study, we show the selective and efficient anti-cancer effects of plasma (at a low dose) when cell metabolic modifiers are also included. 2-deoxy-D-glucose (2-DG), a …             Long-tip high-speed atomic force microscopy for nanometer-scale imaging in live cells ▶     Mikihiro Shibata, Takayuki Uchihashi, Toshio Ando et al.     Visualization of morphological dynamics of live cells with nanometer resolution under physiological conditions is highly desired, but challenging. It has been demonstrated that …             Synchrotron x-ray imaging of pulmonary alveoli in respiration in live intact mice ▶     Soeun Chang, Namseop Kwon, Jinkyung Kim et al.     Despite nearly a half century of studies, it has not been fully understood how pulmonary alveoli, the elementary gas exchange units in mammalian lungs, inflate and deflate during …             X-ray phase contrast tomography by tracking near field speckle ▶     Hongchang Wang, Sebastien Berujon, Julia Herzen et al.     X-ray imaging techniques that capture variations in the x-ray phase can yield higher contrast images with lower x-ray dose than is possible with conventional absorption …             Quantitative detection of nitric oxide in exhaled human breath by extractive electrospray ionization mass spectrometry ▶     Susu Pan, Yong Tian, Ming Li et al.     Exhaled nitric oxide (eNO) is a useful biomarker of various physiological conditions, including asthma and other pulmonary diseases. Herein a fast and sensitive analytical method …             Microreactor Array Device ▶     Peter Wiktor, Al Brunner, Peter Kahn et al.     We report a device to fill an array of small chemical reaction chambers (microreactors) with reagent and then seal them using pressurized viscous liquid acting through a flexible …             Image-Guided Transcranial Focused Ultrasound Stimulates Human Primary Somatosensory Cortex ▶     Wonhye Lee, Hyungmin Kim, Yujin Jung et al.     Focused ultrasound (FUS) has recently been investigated as a new mode of non-invasive brain stimulation, which offers exquisite spatial resolution and depth control. We report on …             Mechanically durable, superoleophobic coatings prepared by layer-by-layer technique for anti-smudge and oil-water separation ▶     Philip S. Brown, Bharat Bhushan     Superoleophobic surfaces are of interest for anti-fouling, self-cleaning, anti-smudge, low-drag, anti-fog, and oil-water separation applications. Current bioinspired surfaces are …             Detecting local heterogeneity and ionization ability in the head group region of different lipidic phases using modified fluorescent probes ▶     Osama K. Abou-Zied, N. Idayu Zahid, M. Faisal Khyasudeen et al.     Local heterogeneity in lipid self-assembly is important for executing the cellular membrane functions. In this work, we chemically modified 2-(2′-hydroxyphenyl)benzoxazole (HBO) …             A practical topological insulator saturable absorber for mode-locked fiber laser ▶     Peiguang Yan, Rongyong Lin, Shuangchen Ruan et al.     A novel saturable absorber (SA) was fabricated by coating the topological insulator (TI) film on microfiber using pulsed laser deposition (PLD) method. The TISA device had an …             Transformation optics with Fabry-Pérot resonances ▶     M. M. Sadeghi, Sucheng Li, Lin Xu et al.     Transformation optics is a powerful tool to design various novel devices, such as invisibility cloak. Fantastic effects from this technique are usually accompanied with singular …             Goos-Hänchen effect in epsilon-near-zero metamaterials ▶     Yadong Xu, C. T. Chan, Huanyang Chen     Light reflection and refraction at an interface between two homogeneous media is analytically described by Snell's law. For a beam with a finite waist, it turns out that the …             Two-component dipolar Bose-Einstein condensate in concentrically coupled annular traps ▶     Xiao-Fei Zhang, Wei Han, Lin Wen et al.     Dipolar Bosonic atoms confined in external potentials open up new avenues for quantum-state manipulation and will contribute to the design and exploration of novel functional …             Stable semiconductor black phosphorus (BP)@titanium dioxide (TiO2) hybrid photocatalysts ▶     Hyun Uk Lee, Soon Chang Lee, Jonghan Won et al.     Over the past few decades, two-dimensional (2D) and layered materials have emerged as new fields. Due to the zero-band-gap nature of graphene and the low photocatalytic …             Vacuum Nanohole Array Embedded Phosphorescent Organic Light Emitting Diodes ▶     Sohee Jeon, Jeong-Hwan Lee, Jun-Ho Jeong et al.     Light extraction from organic light-emitting diodes that utilize phosphorescent materials has an internal efficiency of 100% but is limited by an external quantum efficiency …             Flow enhancement of water-based nanoparticle dispersion through microscale sedimentary rocks ▶     Haiyang Yu, Youwei He, Peng Li et al.     Understanding and controlling fluids flow at the microscale is a matter of growing scientific and technological interest. Flow enhancements of water-based nanoparticle …             Non-perturbative effects in spin glasses ▶     Michele Castellana, Giorgio Parisi     We present a numerical study of an Ising spin glass with hierarchical interactions—the hierarchical Edwards-Anderson model with an external magnetic field (HEA). We study the …             The electronic structure of metal oxide/organo metal halide perovskite junctions in perovskite based solar cells ▶     Alex Dymshits, Alex Henning, Gideon Segev et al.     Cross-sections of a hole-conductor-free CH3NH3PbI3 perovskite solar cell were characterized with Kelvin probe force microscopy. A depletion region width of about 45 nm was …             Structural stability and energetics of grain boundary triple junctions in face centered cubic materials ▶     I. Adlakha, K. N. Solanki     We present a systematic study to elucidate the role of triple junctions (TJs) and their constituent grain boundaries on the structural stability of nanocrystalline materials. Us…             Protein phosphorylation detection using dual-mode field-effect devices and nanoplasmonic sensors ▶     Nikhil Bhalla, Mirella Di Lorenzo, Giordano Pula et al.     Phosphorylation by kinases is an important post-translational modification of proteins. It is a critical control for the regulation of vital cellular activities, and its …             All-optical broadband ultrasonography of single cells ▶     T. Dehoux, M. Abi Ghanem, O. F. Zouani et al.     Cell mechanics play a key role in several fundamental biological processes, such as migration, proliferation, differentiation and tissue morphogenesis. In addition, many diseased …             A quantum protective mechanism in photosynthesis ▶     Adriana Marais, Ilya Sinayskiy, Francesco Petruccione et al.     Since the emergence of oxygenic photosynthesis, living systems have developed protective mechanisms against reactive oxygen species. During charge separation in photosynthetic …             Performance comparison of LUR and OK in PM2.5 concentration mapping: a multidimensional perspective ▶     Bin Zou, Yanqing Luo, Neng Wan et al.     Methods of Land Use Regression (LUR) modeling and Ordinary Kriging (OK) interpolation have been widely used to offset the shortcomings of PM2.5 data observed at sparse monitoring …             Crystal structure of Gib2, a signal-transducing protein scaffold associated with ribosomes in Cryptococcus neoformans ▶     Rya Ero, Valya Tenusheva Dimitrova, Yun Chen et al.     The atypical Gβ-like/RACK1 Gib2 protein promotes cAMP signalling that plays a central role in regulating the virulence of Cryptococcus neoformans. 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