Scientific Reports Physics Table of Contents e-alert: 3 February 2015

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03 February 2015      • Visit Scientific Reports • Submit your manuscript to Scientific Reports     Welcome to your Table of Contents e-alert for Scientific Reports               Physical Sciences               Emergent photovoltage on SmB6 surface upon bulk-gap evolution revealed by pump-and-probe photoemission spectroscopy ▶     Y. Ishida, T. Otsu, T. Shimada et al.     Recent studies suggest that an exemplary Kondo insulator SmB6 belongs to a new class of topological insulators (TIs), in which non-trivial spin-polarized metallic states emerge …             A ruthenium(II) complex as turn-on Cu(II) luminescent sensor based on oxidative cyclization mechanism and its application in vivo ▶     Yunfei Zhang, Zonglun Liu, Kui Yang et al.     Copper ions play a vital role in a variety of fundamental physiological processes not only in human beings and plants, but also for extensive insects and microorganisms. In this …             The transition from single molecule to ensemble revealed by fluorescence polarization. ▶     Toby D. M. Bell, Andrew H. A. Clayton     Fluorescence polarization measurements in the condensed phase provide rich information on rotational dynamics and interactions between macromolecules. An important parameter in …             High performance anode-supported tubular solid oxide fuel cells fabricated by a novel slurry-casting method ▶     Nan-Qi Duan, Dong Yan, Bo Chi et al.     Tubular solid oxide fuel cells were fabricated and evaluated for their microstructure and electrochemical performance. The tubular substrate was prepared by casting NiO-Y2O3 …             Reduced near-infrared absorption using ultra-thin lossy metals in Fabry-Perot cavities ▶     Hasan Kocer, Serkan Butun, Zhongyang Li et al.     We show that a triple-layer metal-insulator-metal (MIM) structure has spectrally selective IR absorption, while an ultra-thin metal film has non-selective absorption in the near …             Enhancement of polarizabilities of cylinders with cylinder-slab resonances ▶     Meng Xiao, Xueqin Huang, H. Liu et al.     If an object is very small in size compared with the wavelength of light, it does not scatter light efficiently. It is hence difficult to detect a very small object with light. …             The Emergence of Dirac points in Photonic Crystals with Mirror Symmetry ▶     Wen-Yu He, C. T. Chan     We show that Dirac points can emerge in photonic crystals possessing mirror symmetry when band gap closes. The mechanism of generating Dirac points is discussed in a …             Broadband Frequency-Selective Spoof Surface Plasmon Polaritons on Ultrathin Metallic Structure ▶     Jia Yuan Yin, Jian Ren, Hao Chi Zhang et al.     We propose an ultrathin metallic structure to produce frequency-selective spoof surface plasmon polaritons (SPPs) in the microwave and terahertz frequencies. Designed on a thin …             Scalar model for frictional precursors dynamics ▶     Alessandro Taloni, Andrea Benassi, Stefan Sandfeld et al.     Recent experiments indicate that frictional sliding occurs by nucleation of detachment fronts at the contact interface that may appear well before the onset of global sliding. …             A simple rule for quadrupedal gait generation determined by leg loading feedback: a modeling study ▶     Yasuhiro Fukuoka, Yasushi Habu, Takahiro Fukui     We discovered a specific rule for generating typical quadrupedal gaits (the order of the movement of four legs) through a simulated quadrupedal locomotion, in which unprogrammed …             Fabrication of heterogeneous nanomaterial array by programmable heating and chemical supply within microfluidic platform towards multiplexed gas sensing application ▶     Daejong Yang, Kyungnam Kang, Donghwan Kim et al.     A facile top-down/bottom-up hybrid nanofabrication process based on programmable temperature control and parallel chemical supply within microfluidic platform has been developed …             Dual-band-enhanced Transmission through a Subwavelength Aperture by Coupled Metamaterial Resonators ▶     Yunsheng Guo, Ji Zhou     In classical mechanics, it is well known that a system consisting of two identical pendulums connected by a spring will steadily oscillate with two modes: one at the fundamental …             Femtosecond Laser Pulse Driven Melting in Gold Nanorod Aqueous Colloidal Suspension: Identification of a Transition from Stretched to Exponential Kinetics ▶     Yuelin Li, Zhang Jiang, Xiao-Min Lin et al.     Many potential industrial, medical, and environmental applications of metal nanorods rely on the physics and resultant kinetics and dynamics of the interaction of these particles …             One-step hydrothermal synthesis of graphene decorated V2O5 nanobelts for enhanced electrochemical energy storage ▶     Minoh Lee, Suresh Kannan Balasingam, Hu Young Jeong et al.     Graphene-decorated V2O5 nanobelts (GVNBs) were synthesized via a low-temperature hydrothermal method in a single step. V2O5 nanobelts (VNBs) were formed in the presence of …             ZnO Nanorod Array Grown on Ag Layer: A Highly Efficient Fluorescence Enhancement Platform ▶     Yongqi Yin, Ye Sun, Miao Yu et al.     ZnO nanorods (NRs) are known for ultra-sensitive biomolecule detection through fluorescence enhancement. In this work, we demonstrate that ZnO NR arrays grown on Ag layers can …             Structural transition and enhanced phase transition properties of Se doped Ge2Sb2Te5 alloys ▶     E. M. Vinod, K. Ramesh, K. S. Sangunni     Amorphous Ge2Sb2Te5 (GST) alloy, upon heating crystallize to a metastable NaCl structure around 150°C and then to a stable hexagonal structure at high temperatures (≥250°C). It …             Suspending Effect on Low-Frequency Charge Noise in Graphene Quantum Dot ▶     Xiang-Xiang Song, Hai-Ou Li, Jie You et al.     Charge noise is critical in the performance of gate-controlled quantum dots (QDs). Such information is not yet available for QDs made out of the new material graphene, where both …             A facile approach to synthesize stable CNTs@MnO electrocatalyst for high energy lithium oxygen batteries ▶     Wen-Bin Luo, Shu-Lei Chou, Jia-Zhao Wang et al.     A composite of manganese monoxide loaded onto carbon nanotubes (CNTs@MnO) has been synthesized by a facile approach, in which the CNTs form a continuous conductive network …             Confined-space synthesis of single crystal TiO2 nanowires in atmospheric vessel at low temperature: a generalized approach ▶     Xiaoyue Wang, Hai Wang, Yu Zhou et al.     Extensive efforts have been devoted to develop innovative synthesis strategies for nanomaterials in order to exploit the true potential of nanotechnology. However, most …             Strong enhancement of photoresponsivity with shrinking the electrodes spacing in few layer GaSe photodetectors ▶     Yufei Cao, Kaiming Cai, Pingan Hu et al.     A critical challenge for the integration of optoelectronics is that photodetectors have relatively poor sensitivities at the nanometer scale. Generally, a large electrodes …             Detrended Partial-Cross-Correlation Analysis: A New Method for Analyzing Correlations in Complex System ▶     Naiming Yuan, Zuntao Fu, Huan Zhang et al.     In this paper, a new method, detrended partial-cross-correlation analysis (DPCCA), is proposed. Based on detrended cross-correlation analysis (DCCA), this method is improved by …             Spatiotemporal chaotic unjamming and jamming in granular avalanches ▶     Ziwei Wang, Jie Zhang     We have investigated the spatiotemporal chaotic dynamics of unjamming and jamming of particles in a model experiment – a rotating drum partially filled with bidisperse disks to …             Rationally Designed Peptidomimetic Modulators of Aβ Toxicity in Alzheimer's Disease ▶     K. Rajasekhar, S. N. Suresh, Ravi Manjithaya et al.     Alzheimer's disease is one of the devastating illnesses mankind is facing in the 21st century. The main pathogenic event in Alzheimer's disease is believed to be the aggregation …             Label-free detection of kanamycin based on a G-quadruplex DNA aptamer-based fluorescent intercalator displacement assay ▶     Yun-Peng Xing, Chun Liu, Xiao-Hong Zhou et al.     This work was the first to report that the kanamycin-binding DNA aptamer (5′-TGG GGG TTG AGG CTA AGC CGA-3′) can form stable parallel G-quadruplex DNA (G4-DNA) structures by …             Microcontroller-Assisted Compensation of Adenosine Triphosphate Levels: Instrument and Method Development ▶     Jie-Bi Hu, Ting-Ru Chen, Yu-Chie Chen et al.     In order to ascertain optimum conditions for biocatalytic processes carried out in vitro, we have designed a bio-opto-electronic system which ensures real-time compensation for …             Few-quintuple Bi2Te3 nanofilms as potential thermoelectric materials ▶     Gang Zhou, Dong Wang     The thermoelectric transport properties of p-type Bi2Te3 nanofilms with various quintuple layers (QL) were systematically investigated based on ab initio electronic structure …             Decoherence imaging of spin ensembles using a scanning single-electron spin in diamond ▶     Lan Luan, Michael S. Grinolds, Sungkun Hong et al.     The nitrogen-vacancy (NV) defect center in diamond has demonstrated great capability for nanoscale magnetic sensing and imaging for both static and periodically modulated target …             Thermally induced magnetization switching in Fe/MnAs/GaAs(001): selectable magnetic configurations by temperature and field control ▶     Carlo Spezzani, Franck Vidal, Renaud Delaunay et al.     Spintronic devices currently rely on magnetization control by external magnetic fields or spin-polarized currents. Developing temperature-driven magnetization control has …             Three-Dimensional Optical Trapping of a Plasmonic Nanoparticle using Low Numerical Aperture Optical Tweezers ▶     Oto Brzobohatý, Martin Šiler, Jan Trojek et al.     It was previously believed that larger metal nanoparticles behave as tiny mirrors that are pushed by the light beam radiative force along the direction of beam propagation, …             Observation of Wave Packet Distortion during a Negative-Group-Velocity Transmission ▶     Dexin Ye, Yannick Salamin, Jiangtao Huangfu et al.     In Physics, causality is a fundamental postulation arising from the second law of thermodynamics. It states that, the cause of an event precedes its effect. In the context of …             More about the doubling degeneracy operators associated with Majorana fermions and Yang-Baxter equation ▶     Li-Wei Yu, Mo-Lin Ge     A new realization of doubling degeneracy based on emergent Majorana operator Γ presented by Lee-Wilczek has been made. The Hamiltonian can be obtained through the new type of …             Fully printed flexible and disposable wireless cyclic voltammetry tag ▶     Younsu Jung, Hyejin Park, Jin-Ah Park et al.     A disposable cyclic voltammetry (CV) tag is printed on a plastic film by integrating wireless power transmitter, polarized triangle wave generator, electrochemical cell and …             An injectable acoustic transmitter for juvenile salmon ▶     Z. D. Deng, T. J. Carlson, H. Li et al.     Salmon recovery and the potential detrimental effects of dams on fish have been attracting national attention due to the environmental and economic implications. In recent years …             Li-Rich Li-Si Alloy As A Lithium-Containing Negative Electrode Material Towards High Energy Lithium-Ion Batteries ▶     Shinichiroh Iwamura, Hirotomo Nishihara, Yoshitaka Ono et al.     Lithium-ion batteries (LIBs) are generally constructed by lithium-including positive electrode materials, such as LiCoO2, and lithium-free negative electrode materials, such as …             Fabrication of high-Q lithium niobate microresonators using femtosecond laser micromachining ▶     Jintian Lin, Yingxin Xu, Zhiwei Fang et al.     We report on fabrication of high-Q lithium niobate (LN) whispering-gallery-mode (WGM) microresonators suspended on silica pedestals by femtosecond laser direct writing followed …             Direct evidence for kinetic effects associated with solar wind reconnection ▶     Xiaojun Xu, Yi Wang, Fengsi Wei et al.     Kinetic effects resulting from the two-fluid physics play a crucial role in the fast collisionless reconnection, which is a process to explosively release massive energy stored …             Revealing the flexoelectricity in the mixed-phase regions of epitaxial BiFeO3 thin films ▶     Cheng-En Cheng, Heng-Jui Liu, Franco Dinelli et al.     Understanding the elastic response on the nanoscale phase boundaries of multiferroics is an essential issue in order to explain their exotic behaviour. Mixed-phase BiFeO3 films, …             Highly Efficient Electronic Sensitization of Non-oxidized Graphene Flakes on Controlled Pore-loaded WO3 Nanofibers for Selective Detection of H2S Molecules ▶     Seon–Jin Choi, Chanyong Choi, Sang-Joon Kim et al.     Tailoring of semiconducting metal oxide nanostructures, which possess controlled pore size and concentration, is of great value to accurately detect various volatile organic …             Nanoscale simulation of shale transport properties using the lattice Boltzmann method: permeability and diffusivity ▶     Li Chen, Lei Zhang, Qinjun Kang et al.     Porous structures of shales are reconstructed using the markov chain monte carlo (MCMC) method based on scanning electron microscopy (SEM) images of shale samples from Sichuan …             A size-dependent constitutive model of bulk metallic glasses in the supercooled liquid region ▶     Di Yao, Lei Deng, Mao Zhang et al.     Size effect is of great importance in micro forming processes. In this paper, micro cylinder compression was conducted to investigate the deformation behavior of bulk metallic …             Residues remote from the binding pocket control the antagonist selectivity towards the corticotropin-releasing factor receptor-1 ▶     Xianqiang Sun, Jianxin Cheng, Xu Wang et al.     The corticotropin releasing factors receptor-1 and receptor-2 (CRF1R and CRF2R) are therapeutic targets for treating neurological diseases. Antagonists targeting CRF1R have been …             Modeling the metastable dynamics of correlated structures ▶     Alexey M. Shakirov, Sergey V. Tsibulsky, Andrey E. Antipov et al.     Metastable quantum dynamics of an asymmetric triangular cluster that is coupled to a reservoir is investigated. The dynamics is governed by bath-mediated transitions, which in …             Giant Electric Field Enhancement in Split Ring Resonators Featuring Nanometer-Sized Gaps ▶     S. Bagiante, F. Enderli, J. Fabiańska et al.     Today's pulsed THz sources enable us to excite, probe, and coherently control the vibrational or rotational dynamics of organic and inorganic materials on ultrafast time scales. …             Longitudinal wave function control in single quantum dots with an applied magnetic field ▶     Shuo Cao, Jing Tang, Yunan Gao et al.     Controlling single-particle wave functions in single semiconductor quantum dots is in demand to implement solid-state quantum information processing and spintronics. Normally, …             Spectrally intense terahertz source based on triangular Selenium ▶     Mostafa Shalaby, Christoph P. Hauri     The intensity of a nonlinear terahertz (THz) source is primarily given by its spectral density. In this letter, we introduce triangular Selinium (Se) as a novel THz emitter and …             Dynamics of microdroplets over the surface of hot water ▶     Takahiro Umeki, Masahiko Ohata, Hiizu Nakanishi et al.     When drinking a cup of coffee under the morning sunshine, you may notice white membranes of steam floating on the surface of the hot water. They stay notably close to the surface …             Effect of Gd doping and O deficiency on the Curie temperature of EuO ▶     Nuttachai Jutong, Ulrich Eckern, Thomas Mairoser et al.     The effect of Gd doping and O deficiency on the electronic structure, exchange interaction, and Curie temperature of EuO in the cubic and tetragonal phases is studied by means of …             On the Existence of Low-Mass Dark Matter and its Direct Detection ▶     James Bateman, Ian McHardy, Alexander Merle et al.     Dark Matter (DM) is an elusive form of matter which has been postulated to explain astronomical observations through its gravitational effects on stars and galaxies, …             Nanoscale Lubrication of Ionic Surfaces Controlled via a Strong Electric Field ▶     Evgheni Strelcov, Rajeev Kumar, Vera Bocharova et al.     Frictional forces arise whenever objects around us are set in motion. Controlling them in a rational manner means gaining leverage over mechanical energy losses and wear. This …             Gate-tuned quantum oscillations of topological surface states in β-Ag2Te ▶     Azat Sulaev, Weiguang Zhu, Kie Leong Teo et al.     We report the strong experimental evidence of the existence of topological surface states with large electric field tunability and mobility in β-Ag2Te. Pronounced 2D Shubnikov-de …             Optimum periodicity of repeated contractile actions applied in mass transport ▶     Sungsook Ahn, Sang Joon Lee     Dynamically repeated periodic patterns are abundant in natural and artificial systems, such as tides, heart beats, stock prices, and the like. The characteristic repeatability …             Charge-transfer-based Gas Sensing Using Atomic-layer MoS2 ▶     Byungjin Cho, Myung Gwan Hahm, Minseok Choi et al.     Two-dimensional (2D) molybdenum disulphide (MoS2) atomic layers have a strong potential to be used as 2D electronic sensor components. However, intrinsic synthesis challenges …             CORRIGENDUM: Different Inhibitory Effect and Mechanism of Hydroxyapatite Nanoparticles on Normal Cells and Cancer Cells In Vitro and In Vivo ▶     Yingchao Han, Shipu Li, Xianying Cao et al.                 CORRIGENDUM: Separable Bilayer Microfiltration Device for Viable Label-free Enrichment of Circulating Tumour Cells ▶     Ming-Da Zhou, Sijie Hao, Anthony J. Williams et al.                 In vitro reconstruction of branched tubular structures from lung epithelial cells in high cell concentration gradient environment ▶     Masaya Hagiwara, Fei Peng, Chih-Ming Ho     We have succeeded in developing hollow branching structure in vitro commonly observed in lung airway using primary lung airway epithelial cells. Cell concentration gradient is …             Hydro-Responsive Curling of the Resurrection Plant Selaginella lepidophylla ▶     Ahmad Rafsanjani, Véronique Brulé, Tamara L. Western et al.     The spirally arranged stems of the spikemoss Selaginella lepidophylla, an ancient resurrection plant, compactly curl into a nest-ball shape upon dehydration. 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