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Nanowire-supported plasmonic waveguide for remote excitation of surface-enhanced Raman scattering

Light(Science & Applications) 2014年第1期3卷 106-122页

作者： Yingzhou Huang Yurui Fang Zhenglong Zhang Ling Zhu Mengtao Sun Soft Matter and Interdisciplinary Research Center College of PhysicsChongqing UniversityChongqing 400044China Beijing National Laboratory for Condensed Matter Physics Institute of PhysicsChinese Academy of SciencesBeijing 100190China Division of Bionanophotonics Department of Applied PhysicsChalmers University of TechnologyGoteborg 41296Sweden Leibniz institute of Photonic Technology 07745 JenaGermany physical Chemistry Friedrich-Schiller University Jena07743 JenaGermany National Center for Nanoscience and Technology Beijing 100190China

Due to its amazing ability to manipulate light at the nanoscale,plasmonics has become one of the most interesting topics in the field of light–matter *** a promising application of plasmonics,surface-enhanced Raman scattering(SERS)has been widely used in scientific investigations and material *** large enhanced Raman signals are mainly caused by the extremely enhanced electromagnetic field that results from localized surface plasmon ***,a novel SERS technology called remote SERS has been reported,combining both localized surface plasmon polaritons and propagating surface plasmon polaritons(PSPPs,or called plasmonic waveguide),which may be found in prominent applications in special circumstances compared to traditional local *** this article,we review the mechanism of remote SERS and its development since it was first reported in *** remote metal systems based on plasmonic waveguides,such as nanoparticle–nanowire systems,single nanowire systems,crossed nanowire systems and nanowire dimer systems,are introduced,and recent novel applications,such as sensors,plasmon-driven surface-catalyzed reactions and Raman optical activity,are also ***,studies of remote SERS in dielectric and organic systems based on dielectric waveguides remind us that this useful technology has additional,tremendous application prospects that have not been realized in metal systems.

关键词： nanowire plasmonic waveguide remote-excitation surface-enhanced Raman scattering

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Confining Potential Mode in Baryons Spectrum

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Communications in Theoretical Physics 2006年第2X期46卷 275-286页

作者： ZHAO Hong-Ming SHEN Peng-Nian DING Yi-Bing LI Xue-Qian ZOU Bing-Song institute of High Energy Physics the Chinese Academy of Sciences P.O. Box 918-4 Beijing 100049 China College of physical Sciences Graduate School of the Chinese Academy of Sciences Beijing 100049 China Department of Physics Nankai University Tianjin 300071 China institute of Theoretical Physics the Chinese Academy of Sciences P.O. Box 2735 Beijing 100080 China Center of Theoretical Nuclear Physics National Laboratory of Heavy Ion Accelerator Lanzhou 730000 China

Based on the flux tube model, the effects of the confining potentials of different configurations, namely the △-type and the Y-type, on the spectra of baryons are studied on SUSF（6） basis. The baryon spectra are obtained in a unified manner. Our result shows that by employing either the △-mode or the Y-mode confining potential, one can achieve reasonable baryon spectra. The △-mode may be mostly effective for the short- and medium-distances, while the Y-mode may offer more contributions to the spectra for long-distances. Although the binding energies in baryon spectra may deviate by a few to several tens MeV for different modes, it is hard to determine either one to be dominant by simply evaluating the baryon spectra. One may need to invoke the baryon decay process to make further judgement.

关键词： baryons spectra quark model chiral symmetry

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Rechargeable Na-MnO_(2) battery with modified cell chemistry

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Journal of Energy Chemistry 2023年第9期84卷 414-423页

作者： Sirugaloor Thangavel Senthilkumar Rebeca Marcilla Youngsik Kim Jesus Palma Mani Ulaganathan Jeong-Sun Park School of Energy&Chemical Engineering Ulsan National Institute of Science and Technology(UNIST)Ulsan 689-798Republic of Korea Electrochemical Processes Unit IMDEA Energy InstituteAvda.Ramón de La Sagra 328935MóstolesSpain Center for Advanced Materials Research Research Institute of Science and TechnologyUniversity of SharjahP.O.Box 27272SharjahUnited Arab Emirates Energy Materials and Devices Lab 4TOONE CorporationUNIST-gil 50Ulsan 689-798Republic of Korea Department of Sciences Amrita School of Physical SciencesAmrita Vishwa VidyapeethamCoimbatore 641112India

High voltage,high energy density,nominal cycle life,and low cost are the most critical requirements of rechargeable batteries for their widespread energy storage applications in electric vehicles and renewable energy ***-MnO_(2) battery could be a low-cost contender,but it suffers extensively from its low cell voltage and poor *** this study,we modified the conventional cell structure of Na-MnO_(2) battery and established altered cell chemistry through a hybrid electrochemical process consisting of Na striping/plating at the anode and Zn^(2+) insertion/de-insertion along with MnO_(2) dissolution/deposition at the *** the modification,Na-MnO_(2) battery exhibits a discharge capacity of 267.10 mA h/g and a cell voltage of 3.30 V(***/Na^(+)),resulting in a high specific energy density of 881.43 Wh/*** 300 cycles,the battery retains 98% of its first-cycle discharge capacity with100% coulombic ***,Na metal-free battery assembled using sodium biphenyl as a safer anode also delivers an excellent energy density of 810.0 Wh/*** work could provide a feasible method to develop an advanced Na-MnO_(2) battery for real-time energy storage applications.

关键词： Hybrid battery Sodium metal Sodium biphenyl High cell voltage Manganese dioxide battery Modified cell chemistry

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Distinct features of newly found liver-draining lymph nodes in mice

Distinct features of newly found liver-draining lymph nodes ...

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第十一届全国免疫学学术大会

作者： Yu Jiali Sun Rui Tian Zhigang Hefei National Laboratory for physical Sciences at Microscale institute of Immunology University of Science and Technology of China

Backgroud&Aim:Draining lymph nodes(LNs)are specialized sites where adaptive immune responses take ***,the anatomical location of two LNs draining the mouse liver,named as portal LN(PLN)and celiac LN(CLN)respectively,has been ***,more details about these two LNs and their function in the maintenance of liver homeostasis need to be clarified.

关键词： liver draining lymph node infection immune response

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Calculation of the Heat of Formation:Ternary Alloy System

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Journal of Rare Earths 1993年第4期11卷 252-256页

作者：鄢晓华唐为华乔芝郁饶光辉梁敬魁解思深 institute of Physics Academia SinicaBeijing 100080China Department of physical Chemistry University of Science and Technology BeijingBeijing 100083China International Centre for Materials Physics Academia SinicaShenyang 110015China

A semi-empirical calculation of the heat of formation was applied to ternary system: La-Fe-Al,Fe-Ni-V and *** calculated values were compared with the experimental ones and the coincidence was *** method is helpful to... 详细信息

关键词： Ternary alloy system Heat of formation

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Incompatible numerical manifold method for fracture problems

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Acta Mechanica Sinica 2010年第2期26卷 247-255页

作者： Gaofeng Wei Kaitai Li Haihui Jiang institute of Science Xi'an Jiaotong University Xi'an 710049 China institute of Mechanical Engineering Shandong Institute of Light Industry Jinan 250353 China Department of Science and Technology Shandong Institute of Light Industry Jinan 250353 China

The incompatible numerical manifold method （INMM） is based on the finite cover approximation theory, which provides a unified framework for problems dealing with continuum and discontinuities. The incompatible numerical manifold method employs two cover systems as follows. The mathematical cover system provides the nodes for forming finite covers of the solution domain and the weighted functions, and the physical cover system describes geometry of the domain and the discontinuous surfaces therein. In INMM, the mathematical finite cover approximation theory is used to model cracks that lead to interior discontinuities in the process of displacement. Therefore, the discontinuity is treated mathematically instead of empirically by the existing methods. However, one cover of a node is divided into two irregular sub-covers when the INMM is used to model the discontinuity. As a result, the method sometimes causes numerical errors at the tip of a crack. To improve the precision of the INMM, the analytical solution is used at the tip of a crack, and thus the cover displacement functions are extended with higher precision and computational efficiency. Some numerical examples are given.

关键词： Incompatible numerical manifold method Finite cover approximation theory Fracture·Stress intensity factors Crack tip field

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CDCC calculations of fusion of 6Li with targets 144Sm and 154Sm：effect of resonance states

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Chinese Physics C 2017年第12期41卷 40-48页

作者： A.Gómez Camacho J.Lubian 张焕乔周善贵 Departamento de Aceleradores Instituto Nacional de Investigaciones Nucleares Instituto de Fisica Universidade Federal Fluminense China institute of Atomic Energy Department of Technical Physics Beijing University CAS Key Laboratory of Frontiers of Theoretical Physics institute of Theoretical Physics Chinese Academy of Sciences Center of Theoretical Nuclear Physics National Laboratory of Heavy Ion Accelerator Synergetic Innovation Center for Quantum Effects and Application Hunan Normal University School of physical Sciences University of Chinese Academy of Sciences

Continuum Discretized Coupled-Channel（CDCC） model calculations of total, complete and incomplete fusion cross sections for reactions of the weakly bound 6Li with 144,154Sm targets at energies around the Coulomb barrier are presented. In the cluster structure frame of 6Li→α＋d, short-range absorption potentials are considered for the interactions between the ground state of the projectile 6Li and α-d fragments with the target. In order to separately calculate complete and incomplete fusion and to reduce double-counting, the corresponding absorption potentials are chosen to be of different range. Couplings to low-lying excited states 2＋, 3-of 144Sm and 2＋, 4＋ of 154Sm are included. So, the effect on total fusion from the excited states of the target is investigated. Similarly, the effect on fusion due to couplings to resonance breakup states of 6Li, namely, l = 2,Jπ= 3＋, 2＋, 1＋ is also *** latter effect is determined by using two approaches,（a） by considering only resonance state couplings and（b）by omitting these states from the full discretized energy space. Among other things, it is found that both resonance and non-resonance continuum breakup couplings produce fusion suppression at all the energies considered.

关键词： weakly bound projectiles CDCC total complete incomplete fusion

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Development of a Reflection-Mode Scanning Near-Field THz-Wave Microscopy with Coherent Transition Radiation

Development of a Reflection-Mode Scanning Near-Field THz-Wav...

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作者： T.Takahashi T.Iizuka S.Kimura School of physical Sciences The Graduate University for Advanced Studies UVSOR Facility Institute for Molecular Science

INTRODUCTION:The technique of near-field THz-wave microscopy is a characteristic application of coherent radiation emitted from a relativistic electron *** technique provides high spatial resolution below the diffraction *** the previous report we obtained the spatial resolution power ofλ/4 in the transmission *** measurement is also important for the THz-wave *** the present report we has been experimentally investigated the

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Discussion of Meridional Propagation Mechanism of Quasi-40-Day Oscillation

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Advances in Atmospheric Sciences 1990年第1期7卷 78-86页

作者：何金海 Nanjing institute of Meteorology Nanjing 210044ased on researches made by the author in recent years discussion is made of the quasi-40-day oscillation (QDO) nature and its characteristic propagation with emphasis on the Southern Hemisphere mill-latitude quasi-periodic cold air forcing on the tropical atmosphere quasi-40-day oscillation along with its effect upon the Northern Hemisphere summer monsoon. It is proposed that the interaction between or lateral coupling of meridional circulation systems may serve as the mechanism of the oscillation propagation in a meridional direction.

Based on researches made by the author in recent years, discussion is made of the quasi-40-day oscillation (QDO) nature and its characteristic propagation, with emphasis on the Southern Hemisphere mill-latitude quasi-periodic cold air forcing on the tropical atmosphere quasi-40-day oscillation along with its effect upon the Northern Hemisphere summer monsoon. It is proposed that the interaction between, or lateral coupling of, meridional circulation systems may serve as the mechanism of the oscillation propagation in a meridional direction.

关键词： monsoon latitude meridional tropical oscillation quasi northward discussion forcing eastward

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Electronic structures and topological properties of TeSe_(2) monolayers

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Chinese Physics B 2021年第11期30卷 538-544页

作者： Zhengyang Wan Hao Huan Hairui Bao Xiaojuan Liu Zhongqin Yang State Key Laboratory of Surface Physics and Key Laboratory of Computational physical SciencesMOE&Department of Physics Fudan UniversityShanghai 200433China Collaborative Innovation Center of Advanced Microstructures Nanjing 210093China

The successfully experimental fabrication of two-dimensional Te monolayer films[***.119106101(2017)]has promoted the researches on the group-VI monolayer *** this work,the electronic structures and topological properties of a group-VI binary compound of TeSe_(2) monolayers are studied based on the density functional theory and Wannier function *** types of structures,namely,a-TeSe_(2),b-TeSe_(2),and g-TeSe_(2),are proposed for the TeSe_(2) monolayer among which the a-TeSe_(2) is found being the most *** the three structures are semiconductors with indirect band *** interestingly,the g-TeSe_(2) monolayer becomes a quantum spin Hall(QSH)insulator with a global nontrivial energy gap of 0.14 eV when a 3.5%compressive strain is *** opening of the global band gap is understood by the competition between the decrease of the local band dispersion and the weakening of the interactions between the Se px,py orbitals and Te px,py orbitals during the *** work realizes topological states in the group-VI monolayers and promotes the potential applications of the materials in spintronics and quantum computations.

关键词： two-dimensional material monolayer TeSe_(2) quantum spin Hall effect topological insulator

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