Scientific Reports Physics Table of Contents e-alert: 15 April 2014

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15 April 2014      • Visit Scientific Reports • Submit your manuscript to Scientific Reports     Welcome to your Table of Contents e-alert for Scientific Reports               Physical Sciences               Efficient route to high-bandwidth nanoscale magnetometry using single spins in diamond ▶     Graciana Puentes, Gerald Waldherr, Philipp Neumann et al.     Nitrogen-vacancy (NV) center in diamond is a promising quantum metrology tool finding applications across disciplines. The spin sensor measures magnetic fields, electric fields …             Extraordinary absorption of sound in porous lamella-crystals ▶     J. Christensen, V. Romero-García, R. Picó et al.     We present the design of a structured material supporting complete absorption of sound with a broadband response and functional for any direction of incident radiation. The …             Simulating of the measurement-device independent quantum key distribution with phase randomized general sources ▶     Qin Wang, Xiang-Bin Wang     We present a model on the simulation of the measurement-device independent quantum key distribution (MDI-QKD) with phase randomized general sources. It can be used to predict …             Enhanced Cold Field Emission of Large-area Arrays of Vertically Aligned ZnO-nanotapers via Sharpening: Experiment and Theory ▶     Zhuo Zhang, Guowen Meng, Qiang Wu et al.     Large-area arrays of vertically aligned ZnO-nanotapers with tailored taper angle and height are electrodeposited on planar Zn-plate via continuously tuning the Zn(NH3)4(NO3)2 …             In situ catalytic growth of large-area multilayered graphene/MoS2 heterostructures ▶     Wei Fu, Fei-Hu Du, Juan Su et al.     Stacking various two-dimensional atomic crystals on top of each other is a feasible approach to create unique multilayered heterostructures with desired properties. Herein for the …             Thin Film Complementary Metal Oxide Semiconductor (CMOS) Device Using a Single-Step Deposition of the Channel Layer ▶     Pradipta K. Nayak, J. A. Caraveo-Frescas, Zhenwei Wang et al.     We report, for the first time, the use of a single step deposition of semiconductor channel layer to simultaneously achieve both n- and p-type transport in transparent oxide thin …             Spatiotemporal path discontinuities of wavepackets propagating across a meta-atom ▶     Insang Yoo, Chung Kyu Han, Dong-Soo Shin et al.     The realization of phase discontinuities across metasurfaces has led to a new class of reflection and refraction. Here we present theory and experiment on the discontinuous …             The atomic-scale mechanism for the enhanced glass-forming-ability of a Cu-Zr based bulk metallic glass with minor element additions ▶     Q. Wang, C. T. Liu, Y. Yang et al.     It is known that the glass forming-ability (GFA) of bulk metallic glasses (BMGs) can be greatly enhanced via minor element additions. However, direct evidence has been lacking to …             Structural Dynamics of GaN Microcrystals in Evolutionary Selection Selective Area Growth probed by X-ray Microdiffraction ▶     V. Kachkanov, B. Leung, J. Song et al.     A method to grow high quality, single crystalline semiconductor material irrespective of the substrate would allow a cost-effective improvement to functionality and performance of …             Mapping of Topological Quantum Circuits to Physical Hardware ▶     Alexandru Paler, Simon J. Devitt, Kae Nemoto et al.     Topological quantum computation is a promising technique to achieve large-scale, error-corrected computation. Quantum hardware is used to create a large, 3-dimensional lattice of …             Highly Electrically Conductive Nanocomposites Based on PolymerInfused Graphene Sponges ▶     Yuanqing Li, Yarjan Abdul Samad, Kyriaki Polychronopoulou et al.     Conductive polymer composites require a threedimensional 3D network to impart electrical conductivity. A general method that is applicable to most polymers for achieving a …             Broadband Antireflection and Light Extraction Enhancement in Fluorescent SiC with Nanodome Structures ▶     Yiyu Ou, Xiaolong Zhu, Valdas Jokubavicius et al.     We demonstrate a time-efficient and low-cost approach to fabricate Si3N4 coated nanodome structures in fluorescent SiC. Nanosphere lithography is used as the nanopatterning method …             Titanium (III) cation selective electrode based on synthesized tris(2pyridyl) methylamine ionophore and its application in water samples ▶     Majid Rezayi, Reza Karazhian, Yadollah Abdollahi et al.     The introduction of low detection limit ion selective electrodes (ISEs) may well pave the way for the determination of trace targets of cationic compounds. This research focuses …             A novel semiconductor compatible path for nano-graphene synthesis using CBr4 precursor and Ga catalyst ▶     S. M. Wang, Q. Gong, Y. Y. Li et al.     We propose a novel semiconductor compatible path for nano-graphene synthesis using precursors containing C-Br bonding and liquid catalyst. The unique combination of CBr4 as …             Simple molecules as complex systems ▶     Tibor Furtenbacher, Péter Árendás, Georg Mellau et al.     For individual molecules quantum mechanics (QM) offers a simple, natural and elegant way to build large-scale complex networks: quantized energy levels are the nodes, allowed …             Investigating the role of superdiffusive currents in laser induced demagnetization of ferromagnets with nanoscale magnetic domains ▶     N. Moisan, G. Malinowski, J. Mauchain et al.     Understanding the loss of magnetic order and the microscopic mechanisms involved in laser induced magnetization dynamics is one of the most challenging topics in today's magnetism …             Hyper-parallel photonic quantum computation with coupled quantum dots ▶     Bao-Cang Ren, Fu-Guo Deng     It is well known that a parallel quantum computer is more powerful than a classical one. So far, there are some important works about the construction of universal quantum logic …             Photoluminescent carbon nanotags from harmful cyanobacteria for drug delivery and imaging in cancer cells ▶     Hyun Uk Lee, So Young Park, Eun Sik Park et al.     Using a simple method of mass production of green carbon nanotags (G-tags) from harmful cyanobacteria, we developed an advanced and efficient imaging platform for the purpose of …             A comparative analysis of spatial Prisoner's Dilemma experiments: Conditional cooperation and payoff irrelevance ▶     Jelena Gruji, Carlos Gracia-Lzaro, Manfred Milinski et al.     We have carried out a comparative analysis of data collected in three experiments on Prisoner's Dilemmas on lattices available in the literature. We focus on the different ways in …             Enhanced Antibacterial Activity of Silver Nanoparticles/Halloysite Nanotubes/Graphene Nanocomposites with Sandwich-Like Structure ▶     Liang Yu, Yatao Zhang, Bing Zhang et al.     A sandwich-like antibacterial reagent (Ag/HNTs/rGO) was constructed through the direct growth of silver nanoparticles on the surface graphene-based HNTs nanosheets. Herein, …             Structural Instability of Epitaxial (001) BiFeO3 Thin Films under Tensile Strain ▶     Zhen Fan, John Wang, Michael B. Sullivan et al.     We explore BiFeO3 under tensile strain using first-principles calculations. We find that the actual structures are more complex than what had been previously thought, and that …             Three-Dimensional Sulfur/Graphene Multifunctional Hybrid Sponges for Lithium-Sulfur Batteries with Large Areal Mass Loading ▶     Songtao Lu, Yan Chen, Xiaohong Wu et al.     In this communication, we introduce the concept of three dimensional (3D) battery electrodes to enhance the capacity per footprint area for lithium-sulfur battery. In such a …             Experimenting Liver Fibrosis Diagnostic by Two Photon Excitation Microscopy and Bag-of-Features Image Classification ▶     Stefan G. Stanciu, Shuoyu Xu, Qiwen Peng et al.     The accurate staging of liver fibrosis is of paramount importance to determine the state of disease progression, therapy responses, and to optimize disease treatment strategies. …             Concentrating Aggregation-Induced Fluorescence in Planar Waveguides: A Proof-of-Principle ▶     James L. Banal, Jonathan M. White, Kenneth P. Ghiggino et al.     The photophysical properties of fluorescent dyes are key determinants in the performance of luminescent solar concentrators (LSCs). First-generation dyes – coumarin, perylenes, …             Highly efficient solid state catalysis by reconstructed (001) Ceria surface ▶     Vyacheslav F. Solovyov, Toshinori Ozaki, Andrea Atrei et al.     Substrate engineering is a key factor in the synthesis of new complex materials. The substrate surface has to be conditioned in order to minimize the energy threshold for the …             Surrounding Sensitive Electronic Properties of Bi2Te3 NanoplatesPotential Sensing Applications of Topological Insulators ▶     Bin Liu, Wuyuan Xie, Han Li et al.     Significant efforts have been paid to exploring the fundamental properties of topological insulators (TIs) in recent years. However, the investigation of TIs as functional …             Coherently Embedded Ag Nanostructures in Si: 3D Imaging and their application to SERS ▶     R. R. Juluri, A. Rath, A. Ghosh et al.     Surface enhanced Raman spectroscopy (SERS) has been established as a powerful tool to detect very low-concentration bio-molecules. One of the challenging problems is to have …             Excitation Energy Dependent Raman Signatures of ABA- and ABC-stacked Few-layer Graphene ▶     The An Nguyen, Jae-Ung Lee, Duhee Yoon et al.     The dependence of the Raman spectrum on the excitation energy has been investigated for ABA-and ABC- stacked few-layer graphene in order to establish the fingerprint of the …             Self-tuning Wireless Power Transmission Scheme Based on On-line Scattering Parameters Measurement and Two-side Power Matching ▶     Yanting Luo, Yongmin Yang, Zhongsheng Chen     Sub-resonances often happen in wireless power transmission (WPT) systems using coupled magnetic resonances (CMR) due to environmental changes, coil movements or component …             The Effect of Thermal Reduction on the Photoluminescence and Electronic Structures of Graphene Oxides ▶     C.-H. Chuang, Y.-F. Wang, Y.-C. Shao et al.     Electronic structures of graphene oxide (GO) and hydro-thermally reduced graphene oxides (rGOs) processed at low temperatures (120180C) were studied using X-ray absorption …             Platonic Scattering Cancellation for Bending Waves in a Thin Plate ▶     M. Farhat, P.-Y. Chen, H. Bac et al.     We propose an ultra-thin elastic cloak to control the scattering of bending waves in isotropic heterogeneous thin plates. The cloak design makes use of the scattering cancellation …             Performance-enhanced mesenchymal stem cells via intracellular delivery of steroids ▶     James A. Ankrum, Riddhi G. Dastidar, Joon Faii Ong et al.     Inadequate immunomodulatory potency of mesenchymal stem cells (MSC) may limit their therapeutic efficacy. We report glucocorticoid steroids augment MSC expression and activity of …             Non-resonant Mie scattering: Emergent optical properties of core-shell polymer nanowires ▶     Tural Khudiyev, Ersin Huseyinoglu, Mehmet Bayindir     We provide the in-depth characterization of light-polymer nanowire interactions in the context of an effective Mie scattering regime associated with low refractive index …             Acceptor-Compensated Charge Transport and Surface Chemical Reactions in Au-Implanted SnO2 Nanowires ▶     Akash Katoch, Gun-Joo Sun, Sun-Woo Choi et al.     A new deep acceptor state is identified by density functional theory calculations, and physically activated by an Au ion implantation technique to overcome the high energy …             Chiral tunneling modulated by a time-periodic potential on the surface states of a topological insulator ▶     Yuan Li, Mansoor B. A. Jalil, S. G. Tan et al.     Time-periodic perturbation can be used to modify the transport properties of the surface states of topological insulators, specifically their chiral tunneling property. Using the …             Impact of spin-orbit coupling on the magnetism of Sr3MIrO6 (M=Ni, Co) ▶     Xuedong Ou, Hua Wu     Iridates are of current great interest for their entangled spin-orbital state and possibly exotic properties. In this work, using density functional calculations, we have …             Nonlocal memory effects allow perfect teleportation with mixed states ▶     Elsi-Mari Laine, Heinz-Peter Breuer, Jyrki Piilo     One of the most striking consequences of quantum physics is quantum teleportation the possibility to transfer quantum states over arbitrary distances. Since its theoretical …             Accidental degeneracy of double Dirac cones in a phononic crystal ▶     Ze-Guo Chen, Xu Ni, Ying Wu et al.     Artificial honeycomb lattices with Dirac cone dispersion provide a macroscopic platform to study the massless Dirac quasiparticles and their novel geometric phases. In this paper, …             Transparent Multi-level Resistive Switching Phenomena Observed in ITO/RGO/ITO Memory Cells by the Sol-Gel Dip-Coating Method ▶     Hee-Dong Kim, Min Ju Yun, Jae Hoon Lee et al.     A reduced graphene oxide (RGO)-based transparent electronic memory cell with multi-level resistive switching (RS) was successfully realized by a dip-coating method. Using …             Combined Volatolomics for Monitoring of Human Body Chemistry ▶     Yoav Y. Broza, Liat Zuri, Hossam Haick     Analysis of volatile organic compounds (VOCs) is a promising approach for non-invasive, fast and potentially inexpensive diagnostics. Here, we present a new methodology for …             Variability in mutational fitness effects prevents full lethal transitions in large quasispecies populations ▶     Josep Sardanys, Carles Sim, Regina Martnez et al.     The distribution of mutational fitness effects (DMFE) is crucial to the evolutionary fate of quasispecies. In this article we analyze the effect of the DMFE on the dynamics of a …             Low temperature hydrogenation of iron nanoparticles on graphene ▶     Keisuke Takahashi, Yongming Wang, Shotaro Chiba et al.     Hydrogenation of iron nanoparticles was performed both computationally and experimentally where previously chemically-bonded iron hydride is considered to be unachievable under …             Generalized friendship paradox in complex networks: The case of scientific collaboration ▶     Young-Ho Eom, Hang-Hyun Jo     The friendship paradox states that your friends have on average more friends than you have. Does the paradox “hold” for other individual characteristics like income or happiness? …             Raman spectra from Symmetric Hydrogen Bonds in Water by High-intensity Laser-induced Breakdown ▶     Zhiwei Men, Wenhui Fang, Dongfei Li et al.     Raman spectra of ice VII and X were investigated using strong plasma shockwave generated by laser-induced breakdown (LIB) in liquid water. Simultaneously, the occurrence of the …             Multifunctional semi-interpenetrating polymer network-nanoencapsulated cathode materials for high-performance lithium-ion batteries ▶     Ju-Myung Kim, Jang-Hoon Park, Chang Kee Lee et al.     As a promising power source to boost up advent of next-generation ubiquitous era, high-energy density lithium-ion batteries with reliable electrochemical properties are urgently …             Non-site-specific allosteric effect of oxygen on human hemoglobin under high oxygen partial pressure ▶     Masayoshi Takayanagi, Ikuo Kurisaki, Masataka Nagaoka     Protein allostery is essential for vital activities. Allosteric regulation of human hemoglobin (HbA) with two quaternary states T and R has been a paradigm of allosteric …             From Commodity Polymers to Functional Polymers ▶     Tao Xiang, Ling-Ren Wang, Lang Ma et al.     Functional polymers bear specified chemical groups, and have specified physical, chemical, biological, pharmacological, or other uses. 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