Scientific Reports Physics Table of Contents e-alert: 25 August 2015

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25 August 2015      • Visit Scientific Reports • Submit your manuscript to Scientific Reports     Welcome to your Table of Contents e-alert for Scientific Reports               Physical Sciences               Investigation on preparation and performance of spinel LiNi0.5Mn1.5O4 with different microstructures for lithium-ion batteries ▶     Yuan Xue, Zhenbo Wang, Lili Zheng et al.     The high voltage spinel LiNi0.5Mn1.5O4 is a promising cathode material in next generation of lithium ion batteries. In this study, LiNi0.5Mn1.5O4 with various particle …             Efficient Optical Energy Harvesting in Self-Accelerating Beams ▶     Domenico Bongiovanni, Yi Hu, Benjamin Wetzel et al.     We report the experimental observation of energetically confined self-accelerating optical beams propagating along various convex trajectories. We show that, under an appropriate …             Study of spin-ordering and spin-reorientation transitions in hexagonal manganites through Raman spectroscopy ▶     Xiang-Bai Chen, Nguyen Thi Minh Hien, Kiok Han et al.     Spin-wave (magnon) scattering, when clearly observed by Raman spectroscopy, can be simple and powerful for studying magnetic phase transitions. In this paper, we present how to …             Metallic Sn spheres and SnO2@C core-shells by anaerobic and aerobic catalytic ethanol and CO oxidation reactions over SnO2 nanoparticles ▶     Won Joo Kim, Sung Woo Lee, Youngku Sohn     SnO2 has been studied intensely for applications to sensors, Li-ion batteries and solar cells. Despite this, comparatively little attention has been paid to the changes in …             Ab initio structure determination of n-diamond ▶     Da Li, Fubo Tian, Binhua Chu et al.     A systematic computational study on the crystal structure of n-diamond has been performed using first-principle methods. A novel carbon allotrope with hexagonal symmetry R32 …             Fabrication of Microfluidic Valves Using a Hydrogel Molding Method ▶     Yusuke Sugiura, Hirotada Hirama, Toru Torii     In this paper, a method for fabricating a microfluidic valve made of polydimethylsiloxane (PDMS) using a rapid prototyping method for microchannels through hydrogel cast molding …             Efficient nitrogen incorporation in ZnO nanowires ▶     Jan E. Stehr, Weimin M. Chen, Nandanapalli Koteeswara Reddy et al.     One-dimensional ZnO nanowires (NWs) are a promising materials system for a variety of applications. Utilization of ZnO, however, requires a good understanding and control of …             Understanding Solidification of Polythiophene Thin Films during Spin-Coating: Effects of Spin-Coating Time and Processing Additives ▶     Jin Yeong Na, Boseok Kang, Dong Hun Sin et al.     Spin-coating has been used extensively in the fabrication of electronic devices; however, the effects of the processing parameters have not been fully explored. Here, we …             Erratum: A Novel Audiovisual Brain-Computer Interface and Its Application in Awareness Detection ▶     Fei Wang, Yanbin He, Jiahui Pan et al.                 A Caged Ret Kinase Inhibitor and its Effect on Motoneuron Development in Zebrafish Embryos ▶     David Bliman, Jesper R. Nilsson, Petronella Kettunen et al.     Proto-oncogene tyrosine-protein kinase receptor RET is implicated in the development and maintenance of neurons of the central and peripheral nervous systems. Attaching …             Early warning signs for saddle-escape transitions in complex networks ▶     Christian Kuehn, Gerd Zschaler, Thilo Gross     Many real world systems are at risk of undergoing critical transitions, leading to sudden qualitative and sometimes irreversible regime shifts. The development of early warning …             Local coordination state of rare earth in eutectic scintillators for neutron detector applications ▶     Hirokazu Masai, Takayuki Yanagida, Teruyasu Mizoguchi et al.     Atomic distribution in phosphors for neutron detection has not been fully elucidated, although their ionization efficiency is strongly dependent on the state of the rare earth in …             Tracing temperature in a nanometer size region in a picosecond time period ▶     Kaoru Nakajima, Takumi Kitayama, Hiroaki Hayashi et al.     Irradiation of materials with either swift heavy ions or slow highly charged ions leads to ultrafast heating on a timescale of several picosecond in a region of several …             Simple synthesis of highly catalytic carbon-free MnCo2O4@Ni as an oxygen electrode for rechargeable Li–O2 batteries with long-term stability ▶     Ramchandra S. Kalubarme, Harsharaj S. Jadhav, Duc Tung Ngo et al.     An effective integrated design with a free standing and carbon-free architecture of spinel MnCo2O4 oxide prepared using facile and cost effective hydrothermal method as the …             Silicon photonic crystal thermal emitter at near-infrared wavelengths ▶     Bryan J. O’Regan, Yue Wang, Thomas F. Krauss     Controlling thermal emission with resonant photonic nanostructures has recently attracted much attention. Most of the work has concentrated on the mid-infrared wavelength range …             Large epidemic thresholds emerge in heterogeneous networks of heterogeneous nodes ▶     Hui Yang, Ming Tang, Thilo Gross     One of the famous results of network science states that networks with heterogeneous connectivity are more susceptible to epidemic spreading than their more homogeneous …             Sacrificial adhesive bonding: a powerful method for fabrication of glass microchips ▶     Renato S. Lima, Paulo A. G. C. Leão, Maria H. O. Piazzetta et al.     A new protocol for fabrication of glass microchips is addressed in this research paper. Initially, the method involves the use of an uncured SU-8 intermediate to seal two glass …             Rapid Particle Patterning in Surface Deposited Micro-Droplets of Low Ionic Content via Low-Voltage Electrochemistry and Electrokinetics ▶     Noam Sidelman, Moshik Cohen, Anke Kolbe et al.     Electrokinetic phenomena are a powerful tool used in various scientific and technological applications for the manipulation of aqueous solutions and the chemical entities within …             All-solid-state lithium-oxygen battery with high safety in wide ambient temperature range ▶     Hirokazu Kitaura, Haoshen Zhou     There is need to develop high energy storage devices with high safety to satisfy the growing industrial demands. Here, we show the potential to realize such batteries by …             Intensity tunable infrared broadband absorbers based on VO2 phase transition using planar layered thin films ▶     Hasan Kocer, Serkan Butun, Edgar Palacios et al.     Plasmonic and metamaterial based nano/micro-structured materials enable spectrally selective resonant absorption, where the resonant bandwidth and absorption intensity can be …             Ultrafast electron dynamics at the Dirac node of the topological insulator Sb2Te3 ▶     Siyuan Zhu, Yukiaki Ishida, Kenta Kuroda et al.     Topological insulators (TIs) are a new quantum state of matter. Their surfaces and interfaces act as a topological boundary to generate massless Dirac fermions with spin-helical …             Surface evolution of manganese chloride aqueous droplets resulting in self-suppressed evaporation ▶     Xiping Zeng, Yifan Zhang, Zengzilu Xia et al.     The exchange kinetics of liquid water, which are of fundamental interest and have potential applications, remain unclear. A fantastic and extraordinary phenomenon was observed …             Atomic View of Filament Growth in Electrochemical Memristive Elements ▶     Hangbing Lv, Xiaoxin Xu, Pengxiao Sun et al.     Memristive devices, with a fusion of memory and logic functions, provide good opportunities for configuring new concepts computing. However, progress towards paradigm evolution …             Prevention of enamel demineralization with a novel fluoride strip: enamel surface composition and depth profile ▶     Bor-Shiunn Lee, Po-Hung Chou, Shu-Yu Chen et al.     There is no topically applicable low concentration fluoride delivery device available for caries prevention. This study was aimed to assess the use of a low concentration …             Optogenetic control of cell signaling pathway through scattering skull using wavefront shaping ▶     Jonghee Yoon, Minji Lee, KyeoReh Lee et al.     We introduce a non-invasive approach for optogenetic regulation in biological cells through highly scattering skull tissue using wavefront shaping. The wavefront of the incident …             Zero-Determinant Strategies in Iterated Public Goods Game ▶     Liming Pan, Dong Hao, Zhihai Rong et al.     Recently, Press and Dyson have proposed a new class of probabilistic and conditional strategies for the two-player iterated Prisoner’s Dilemma, so-called zero-determinant …             Realizing up-conversion fluorescence tuning in lanthanide-doped nanocrystals by femtosecond pulse shaping method ▶     Shian Zhang, Yunhua Yao, Xu Shuwu et al.     The ability to tune color output of nanomaterials is very important for their applications in laser, optoelectronic device, color display and multiplexed biolabeling. Here we …             3D coral-like nitrogen-sulfur co-doped carbon-sulfur composite for high performance lithium-sulfur batteries ▶     Feng Wu, Jian Li, Yafen Tian et al.     3D coral-like, nitrogen and sulfur co-doped mesoporous carbon has been synthesized by a facile hydrothermal-nanocasting method to house sulfur for Li–S batteries. The primary …             Electronic control of coherence in a two-dimensional array of photonic crystal surface emitting lasers ▶     R. J. E. Taylor, D. T. D. Childs, P. Ivanov et al.     We demonstrate a semiconductor PCSEL array that uniquely combines an in-plane waveguide structure with nano-scale patterned PCSEL elements. This novel geometry allows …             Terahertz detectors arrays based on orderly aligned InN nanowires ▶     Xuechen Chen, Huiqiang Liu, Qiuguo Li et al.     Nanostructured terahertz detectors employing a single semiconducting nanowire or graphene sheet have recently generated considerable interest as an alternative to existing THz …             Ferroelectric-like metallic state in electron doped BaTiO3 ▶     J. Fujioka, A. Doi, D. Okuyama et al.     We report that a ferroelectric-like metallic state with reduced anisotropy of polarization is created by the doping of conduction electrons into BaTiO3, on the bases of …             Self-assembling process of Oxalamide compounds and their nucleation efficiency in bio-degradable Poly(hydroxyalkanoate)s ▶     Piming Ma, Yogesh S. Deshmukh, Carolus H.R.M. Wilsens et al.     One of the key requirements in semi-crystalline polyesters, synthetic or bio-based, is the control on crystallization rate and crystallinity. One of the limiting factors in the …             Chirped pulse Raman amplification in warm plasma: towards controlling saturation ▶     X. Yang, G. Vieux, E. Brunetti et al.     Stimulated Raman backscattering in plasma is potentially an efficient method of amplifying laser pulses to reach exawatt powers because plasma is fully broken down and withstands …             Lattice-distortion Induced Magnetic Transition from Low-temperature Antiferromagnetism to High-temperature Ferrimagnetism in Double Perovskites A2FeOsO6 (A = Ca, Sr) ▶     Y. S. Hou, H. J. Xiang, X. G. Gong     High-temperature insulating ferrimagnetism is investigated in order to further reveal its physical mechanisms, as well as identify potentially important scientific and practical …             Nematic Liquid Crystal on a Two Dimensional Hexagonal Lattice and its Application ▶     Muhammad Arslan Shehzad, Dung Hoang Tien, M Waqas Iqbal et al.     We have studied the alignment of liquid crystal adsorbed onto graphene and hexagonal boron nitride by using a polarized optical microscope. From the experimental data, it was …             A Highly Efficient Sensor Platform Using Simply Manufactured Nanodot Patterned Substrates ▶     Sozaraj Rasappa, Tandra Ghoshal, Dipu Borah et al.     Block copolymer (BCP) self-assembly is a low-cost means to nanopattern surfaces. Here, we use these nanopatterns to directly print arrays of nanodots onto a conducting substrate …             A Magnetic Wormhole ▶     Jordi Prat-Camps, Carles Navau, Alvaro Sanchez     Wormholes are fascinating cosmological objects that can connect two distant regions of the universe. Because of their intriguing nature, constructing a wormhole in a lab seems a …             Unfolding the band structure of non-crystalline photonic band gap materials ▶     Samuel Tsitrin, Eric Paul Williamson, Timothy Amoah et al.     Non-crystalline photonic band gap (PBG) materials have received increasing attention, and sizeable PBGs have been reported in quasi-crystalline structures and, more recently, in …             All oxide semiconductor-based bidirectional vertical p-n-p selectors for 3D stackable crossbar-array electronics ▶     Yoon Cheol Bae, Ah Rahm Lee, Gwang Ho Baek et al.     Three-dimensional (3D) stackable memory devices including nano-scaled crossbar array are central for the realization of high-density non-volatile memory electronics. However, an …             Less is More: Design of a Highly Stable Disulfide-Deleted Mutant of Analgesic Cyclic α-Conotoxin Vc1.1 ▶     Rilei Yu, Victoria A. L. Seymour, Géza Berecki et al.     Cyclic α-conotoxin Vc1.1 (cVc1.1) is an orally active peptide with analgesic activity in rat models of neuropathic pain. It has two disulfide bonds, which can have three …             Doubling Power Output of Starch Biobattery Treated by the Most Thermostable Isoamylase from an Archaeon Sulfolobus tokodaii ▶     Kun Cheng, Fei Zhang, Fangfang Sun et al.     Biobattery, a kind of enzymatic fuel cells, can convert organic compounds (e.g., glucose, starch) to electricity in a closed system without moving parts. Inspired by natural …             Discerning the differential molecular pathology of proliferative middle ear lesions using Raman spectroscopy ▶     Rishikesh Pandey, Santosh Kumar Paidi, Jeon Woong Kang et al.     Despite its widespread prevalence, middle ear pathology, especially the development of proliferative lesions, remains largely unexplored and poorly understood. Diagnostic …             Modelling heat conduction in polycrystalline hexagonal boron-nitride films ▶     Bohayra Mortazavi, Luiz Felipe C. Pereira, Jin-Wu Jiang et al.     We conducted extensive molecular dynamics simulations to investigate the thermal conductivity of polycrystalline hexagonal boron-nitride (h-BN) films. To this aim, we constructed …             Supersymmetry in quantum optics and in spin-orbit coupled systems ▶     Michael Tomka, Mikhail Pletyukhov, Vladimir Gritsev     Light-matter interaction is naturally described by coupled bosonic and fermionic subsystems. This suggests that a certain Bose-Fermi duality is naturally present in the …             Less is more: Avoiding the LIBS dimensionality curse through judicious feature selection for explosive detection ▶     Ashwin Kumar Myakalwar, Nicolas Spegazzini, Chi Zhang et al.     Despite its intrinsic advantages, translation of laser induced breakdown spectroscopy for material identification has been often impeded by the lack of robustness of developed …             Somersault of Paramecium in extremely confined environments ▶     Saikat Jana, Aja Eddins, Corrie Spoon et al.     We investigate various swimming modes of Paramecium in geometric confinements and a non-swimming self-bending behavior like a somersault, which is quite different from the …             Taming of Modulation Instability by Spatio-Temporal Modulation of the Potential ▶     S. Kumar, R. Herrero, M. Botey et al.     Spontaneous pattern formation in a variety of spatially extended nonlinear systems always occurs through a modulation instability, sometimes called Turing instability: the …             Femtosecond laser ablation-based mass spectrometry: An ideal tool for stoichiometric analysis of thin films ▶     Nicole L. LaHaye, Jose Kurian, Prasoon K. Diwakar et al.     An accurate and routinely available method for stoichiometric analysis of thin films is a desideratum of modern materials science where a material’s properties depend sensitively …             Nitrogen Backbone Oligomers ▶     Hongbo Wang, Mikhail I. Eremets, Ivan Troyan et al.     We found that nitrogen and hydrogen directly react at room temperature and pressures of ~35 GPa forming chains of single-bonded nitrogen atom with the rest of the bonds …             Generation of entanglement in quantum parametric oscillators using phase control ▶     J. C. Gonzalez-Henao, E. Pugliese, S. Euzzor et al.     The control of quantum entanglement in systems in contact with environment plays an important role in information processing, cryptography and quantum computing. However, …             Unconventional superconductivity in Y5Rh6Sn18 probed by muon spin relaxation ▶     Amitava Bhattacharyya, Devashibhai Adroja, Naoki Kase et al.     Conventional superconductors are robust diamagnets that expel magnetic fields through the Meissner effect. It would therefore be unexpected if a superconducting ground state …             Complexity of cardiac signals for predicting changes in alpha-waves after stress in patients undergoing cardiac catheterization ▶     Hung-Chih Chiu, Yen-Hung Lin, Men-Tzung Lo et al.     The hierarchical interaction between electrical signals of the brain and heart is not fully understood. We hypothesized that the complexity of cardiac electrical activity can be …             Synthesis and antitumor activity of novel N-substituted carbazole imidazolium salt derivatives ▶     Lan-Xiang Liu, Xue-Quan Wang, Bei Zhou et al.     A series of novel N-substituted carbazole imidazolium salt derivatives has been prepared and investigated for their cytotoxic activity against five human tumor cell lines by MTS …             Long- and Short-Range Electrostatic Fields in GFP Mutants: Implications for Spectral Tuning ▶     M. Drobizhev, P. R. Callis, R. Nifosì et al.     The majority of protein functions are governed by their internal local electrostatics. Quantitative information about these interactions can shed light on how proteins work and …             A Nucleus-Imaging Probe That Selectively Stabilizes a Minor Conformation of c-MYC G-quadruplex and Down-regulates c-MYC Transcription in Human Cancer Cells ▶     Deepanjan Panda, Manish Debnath, Samir Mandal et al.     The c-MYC proto-oncogene is a regulator of fundamental cellular processes such as cell cycle progression and apoptosis. The development of novel c-MYC inhibitors that can act by …             Experimental Demonstration of Underwater Acoustic Scattering Cancellation ▶     Charles A. Rohde, Theodore P. Martin, Matthew D. Guild et al.     We explore an acoustic scattering cancellation shell for buoyant hollow cylinders submersed in a water background. A thin, low-shear, elastic coating is used to cancel the …             Laser-wakefield accelerators as hard x-ray sources for 3D medical imaging of human bone ▶     J. M. Cole, J. C. Wood, N. C. Lopes et al.     A bright μm-sized source of hard synchrotron x-rays (critical energy Ecrit > 30 keV) based on the betatron oscillations of laser wakefield accelerated electrons has been …             Sustaining dry surfaces under water ▶     Paul R. Jones, Xiuqing Hao, Eduardo R. Cruz-Chu et al.     Rough surfaces immersed under water remain practically dry if the liquid-solid contact is on roughness peaks, while the roughness valleys are filled with gas. Mechanisms that …             Quick Fabrication of Large-area Organic Semiconductor Single Crystal Arrays with a Rapid Annealing Self-Solution-Shearing Method ▶     Yunze Li, Deyang Ji, Jie Liu et al.     In this paper, we developed a new method to produce large-area single crystal arrays by using the organic semiconductor 9, 10-bis (phenylethynyl) anthracene (BPEA). This method …             Lattice Strain Mapping of Platinum Nanoparticles on Carbon and SnO2 Supports ▶     Takeshi Daio, Aleksandar Staykov, Limin Guo et al.     It is extremely important to understand the properties of supported metal nanoparticles at the atomic scale. In particular, visualizing the interaction between nanoparticle and …             Plasmonic Gold Decorated MWCNT Nanocomposite for Localized Plasmon Resonance Sensing ▶     J. Ozhikandathil, S. Badilescu, M. Packirisamy     The synergism of excellent properties of carbon nanotubes and gold nanoparticles is used in this work for bio-sensing of recombinant bovine growth hormones (rbST) by making Multi …             Increasing Boiling Heat Transfer using Low Conductivity Materials ▶     Md Mahamudur Rahman, Jordan Pollack, Matthew McCarthy     We report the counterintuitive mechanism of increasing boiling heat transfer by incorporating low-conductivity materials at the interface between the surface and fluid. By …             Insertion of N2 into the Channels of AFI Zeolite under High Pressure ▶     Hang Lv, Mingguang yao, Quanjun Li et al.     We present an experimental study of a new hybrid material where nitrogen is encapsulated in the channels of porous zeolite AlPO4-5 (AFI) single crystals by a high-pressure …             Broadband zero-backward and near-zero-forward scattering by metallo-dielectric core-shell nanoparticles ▶     Yan Li, Mingjie Wan, Wenyang Wu et al.     Efficient control of optical radiation at subwavelength scales plays important roles for various applications. Dielectric nanoparticles or dielectric shells with a large …             Reversible heart rhythm complexity impairment in patients with primary aldosteronism ▶     Yen-Hung Lin, Vin-Cent Wu, Men-Tzung Lo et al.     Excess aldosterone secretion in patients with primary aldosteronism (PA) impairs their cardiovascular system. Heart rhythm complexity analysis, derived from heart rate …             Imaging Cells in Flow Cytometer Using Spatial-Temporal Transformation ▶     Yuanyuan Han, Yu-Hwa Lo     Flow cytometers measure fluorescence and light scattering and analyze multiple physical characteristics of a large population of single cells as cells flow in a fluid stream …             Vapor-Driven Propulsion of Catalytic Micromotors ▶     Renfeng Dong, Jinxing Li, Isaac Rozen et al.     Chemically-powered micromotors offer exciting opportunities in diverse fields, including therapeutic delivery, environmental remediation, and nanoscale manufacturing. 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