Scientific Reports Physics Table of Contents e-alert: 25 February 2014

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25 February 2014      • Visit Scientific Reports • Submit your manuscript to Scientific Reports     Welcome to your Table of Contents e-alert for Scientific Reports               Physical Sciences               Structural and Thermodynamic Factors of Suppressed Interdiffusion Kinetics in Multi-component High-entropy Materials ▶     Shou-Yi Chang, Chen-En Li, Yi-Chung Huang et al.     We report multi-component high-entropy materials as extraordinarily robust diffusion barriers and clarify the highly suppressed interdiffusion kinetics in the multi-component …             Multiple π-bands and Bernal stacking of multilayer graphene on C-face SiC, revealed by nano-Angle Resolved Photoemission ▶     Leif I. Johansson, Rickard Armiento, Jose Avila et al.     Only a single linearly dispersing π-band cone, characteristic of monolayer graphene, has so far been observed in Angle Resolved Photoemission (ARPES) experiments on multilayer …             Excessive abundance of common resources deters social responsibility ▶     Xiaojie Chen, Matjaž Perc     We study the evolution of cooperation in the collective-risk social dilemma game, where the risk is determined by a collective target that must be reached with individual …             Observing Optical Plasmons on a Single Nanometer Scale ▶     Moshik Cohen, Reuven Shavit, Zeev Zalevsky     The exceptional capability of plasmonic structures to confine light into deep subwavelength volumes has fashioned rapid expansion of interest from both fundamental and applicative …             Encapsulating Urban Traffic Rhythms into Road Networks ▶     Junjie Wang, Dong Wei, Kun He et al.     Using road GIS (geographical information systems) data and travel demand data for two U.S. urban areas, the dynamical driver sources of each road segment were located. A method to …             Negative and near zero refraction metamaterials based on permanent magnetic ferrites ▶     Ke Bi, Yunsheng Guo, Ji Zhou et al.     Ferrite metamaterials based on the negative permeability of ferromagnetic resonance in ferrites are of great interest. However, such metamaterials face a limitation that the …             Solar thermal polymerase chain reaction for smartphone-assisted molecular diagnostics ▶     Li Jiang, Matthew Mancuso, Zhengda Lu et al.     Nucleic acid-based diagnostic techniques such as polymerase chain reaction (PCR) are used extensively in medical diagnostics due to their high sensitivity, specificity and …             Controlling Magnetotactic Bacteria through an Integrated Nanofabricated Metallic Island and Optical Microscope Approach ▶     Lina M. González, Warren C. Ruder, Philip R. Leduc et al.     Herein, we demonstrate the control of magnetotactic bacteria through the application of magnetic field gradients with real-time visualization. We accomplish this control by …             New Observations and Insights into the Morphology and Growth Kinetics of Hydrate Films ▶     Sheng-Li Li, Chang-Yu Sun, Bei Liu et al.     The kinetics of film growth of hydrates of methane, ethane, and methane-ethane mixtures were studied by exposing a single gas bubble to water. The morphologies, lateral growth …             Experimental demonstration of a transparent graphene millimetre wave absorber with 28% fractional bandwidth at 140 GHz ▶     Bian Wu, Hatice M. Tuncer, Majid Naeem et al.     The development of transparent radio-frequency electronics has been limited, until recently, by the lack of suitable materials. Naturally thin and transparent graphene may lead to …             Ultrahigh spin thermopower and pure spin current in a single-molecule magnet ▶     Bo Luo, Juan Liu, Jing-Tao Lü et al.     Using the non-equilibrium Green's function (NEGF) formalism within the sequential regime, we studied ultrahigh spin thermopower and pure spin current in single-molecule …             Understanding the antimicrobial mechanism of TiO2-based nanocomposite films in a pathogenic bacterium ▶     Anna Kubacka, María Suárez Diez, David Rojo et al.     Titania (TiO2)-based nanocomposites subjected to light excitation are remarkably effective in eliciting microbial death. However, the mechanism by which these materials induce …             Control of hot-carrier relaxation for realizing ideal quantum-dot intermediate-band solar cells ▶     David M. Tex, Itaru Kamiya, Yoshihiko Kanemitsu     For intermediate-band solar cells, the broad absorption spectrum of quantum dots (QDs) offers a favorable conversion efficiency, and photocurrent generation via efficient two-step …             Arbitrary photonic wave plate operations on chip: Realizing Hadamard, Pauli-X, and rotation gates for polarisation qubits ▶     René Heilmann, Markus Gräfe, Stefan Nolte et al.     Chip-based photonic quantum computing is an emerging technology that promises much speedup over conventional computers at small integration volumes. Particular interest is thereby …             Atomic-scale mapping of dipole frustration at 90° charged domain walls in ferroelectric PbTiO3 films ▶     Y. L. Tang, Y. L. Zhu, Y. J. Wang et al.     The atomic-scale structural and electric parameters of the 90° domain-walls in tetragonal ferroelectrics are of technological importance for exploring the ferroelectric switching …             Complex structures of different CaFe2As2 samples ▶     Bayrammurad Saparov, Claudia Cantoni, Minghu Pan et al.     The interplay between magnetism and crystal structures in three CaFe2As2 samples is studied. For the nonmagnetic quenched crystals, different crystalline domains with varying …             Bistability of Hydrogen in ZnO: Origin of Doping Limit and Persistent Photoconductivity ▶     Ho-Hyun Nahm, C. H. Park, Yong-Sung Kim     Substitutional hydrogen at oxygen site (HO) is well-known to be a robust source of n-type conductivity in ZnO, but a puzzling aspect is that the doping limit by hydrogen is only …             Optical spectroscopy of single Si nanocylinders with magnetic and electric resonances ▶     Andrey B. Evlyukhin, René L. Eriksen, Wei Cheng et al.     Resonant electromagnetic properties of nanoparticles fabricated from high-index semiconductor or dielectric materials are very promising for the realization of novel nanoantennas …             Picosecond electric field pulse induced coherent magnetic switching in MgO/FePt/Pt(001)-based tunnel junctions: a multiscale study ▶     Wanjiao Zhu, Dun Xiao, Yaowen Liu et al.     Combined methods of first-principles calculations and Landau-Lifshitz-Gilbert (LLG) macrospin simulations are performed to investigate the coherent magnetization switching in the …             Networks from Flows - From Dynamics to Topology ▶     Nora Molkenthin, Kira Rehfeld, Norbert Marwan et al.     Complex network approaches have recently been applied to continuous spatial dynamical systems, like climate, successfully uncovering the system's interaction structure. 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