科研成果 by Year: 2015

2015
Wu Y, Jia T, Xia B, Ma X, Kang L, Yang X. Suppression of VCO pulling effects using even-harmonic quiet transmitting circuits, in European Solid-State Circuits Conference (ESSCIRC).; 2015.
Li P, Song J, Pan A, Chen J, Wang S, Shen J, Wang P, Zhan J, Qian H, Tang W. Surface plasmon polaritons suppress photoresponse of colloidal CdS nanorods in nanogap. APPLIED PHYSICS EXPRESS. 2015;8:055001.Abstract
Colloidal CdS nanorods similar to 4.9 nm in diameter and similar to 60 nm long were positioned in gold bow-tie electrodes with a gap of similar to 50 nm by an AC dielectrophoresis process to construct optoelectronic devices. The fabricated devices exhibited an excellent photoresponse to white and blue light, but no response to green light. However, the response of the devices to white light could be degraded by green light. This is considered to be related to surface plasmon polaritons suppressing the generation of photo-carriers in the CdS nanorods. The results indicate that surface plasmons do not always benefit nano-optoeletronic devices. (C) 2015 The Japan Society of Applied Physics
Lv PY, Xue YH, Liu H, Shi YP, Xi P, Lin H, Duan HL. Symmetric and Asymmetric Meniscus Collapse in Wetting Transition on Submerged Structured Surfaces. Langmuir [Internet]. 2015;31:1248-1254. 访问链接
Qi X, Wang T, Long Y, Ni J. Synergetic antibacterial activity of reduced graphene oxide and boron doped diamond anode in three dimensional electrochemical oxidation system. Scientific Reports. 2015;5.
Li CZ, Zhu R, Ke XX, Zhang JM, Wang LX, Zhang L, Liao ZM, Yu DP. Synthesis and Photovoltaic Properties of Cd3As2 Faceted Nanoplates and Nano-Octahedrons. Crystal Growth & DesignCrystal Growth & Design. 2015;15:3264-3270.Abstract
Recent theoretical predictions and angle-resolved photoemission spectroscopy measurements have shown that single crystal Cd3As2 is a three-dimensional topological Dirac semimetal possessing linear dispersions along all three momentum directions. Nanoscale topological Dirac semimetal structures have a large surface-to-volume ratio and provide a platform to explore its topological surface states. Here we report the synthesis of high quality Cd3As2 single crystalline nanoplates and nano-octahedrons via a vaporsolid growth mechanism. Triangular and hexagonal nanoplates with lateral dimensions ranging from several hundred nanometers to tens of micrometers are obtained. The top facets are (112), consistent with the natural cleavage plane of Cd3As2 single crystal. The synthesized Cd3As2 nano-octahedrons are enclosed by the {112} facets. A photovoltaic effect is demonstrated from a Cd3As2 nanoplate/metal electrode interface, suggesting potential applications in self-powered photodetection.
Tan S, Ma S, Wang S, Gao W. Synthesized Views Distortion Model Based Rate Control in 3D-HEVC, in Advances in Multimedia Information Processing - PCM 2015 - 16th Pacific-Rim Conference on Multimedia, Gwangju, South Korea, September 16-18, 2015, Proceedings, Part II.; 2015:24–32. 访问链接
Huang YT; MQ; T. TASC: A Transformation-Aware Soft Cascading Approach for Multimodal Video Copy Detection. ACM Transactions on Information Systems. 2015;33(2):Article 7-34 pages.
Yang S, Feng Y, Zou L, Jia A, Zhao D. Taxonomy Induction and Taxonomy-based Recommendations for Online Courses, in Proceedings of the 15th ACM/IEEE-CE on Joint Conference on Digital Libraries, Knoxville, TN, USA, June 21-25, 2015.; 2015:267–268.
岳聪, 汪群慧, 袁丽, 刘阳生*. TCLP 法评价铅锌尾矿库土壤重金属污染: 浸提剂的选择及其与重金属形态的关系. 北京大学学报(自然科学版). 2015;51(1):109 – 115.
Shi GL, Zhou XY, Feng YC*, Tian YZ, Liu GR, Zheng M*, Zhou Y, Zhang Y. Technical note: An improved estimate of uncertainty for source contribution from effective variance Chemical Mass Balance (EV-CMB) analysis. Atmospheric Environment [Internet]. 2015;100:154 - 158. LINK
Cheng Z, Liu L, Xu S, Lu M, Wang X. Temperature dependence of electrical and thermal conduction in single silver nanowire. Scientific reports. 2015;5(1):1-12.
Cheng Z, Liu L, Xu S, Lu M, Wang X. Temperature dependence of electrical and thermal conduction in single silver nanowire. Scientific reports. 2015;5:10718.
Yu R, Wang X, Wu W, Pan C, Bando Y, Fukata N, Hu Y, Peng W, Ding Y, Wang ZL*. Temperature dependence of the piezophototronic effect in CdS nanowires. Advanced Functional Materials. 2015;25:5277–5284.
Yu R, Wang X, Wu W, Pan C, Bando Y, Fukata N, Hu Y, Peng W, Ding Y, Wang ZL*. Temperature dependence of the piezophototronic effect in CdS nanowires. Advanced Functional Materials. 2015;25:5277–5284.
Zhang C, Wang M, Xie B, Wen CP, Wang J, Hao Y, Wu W, Chen KJ, Shen B. Temperature Dependence of the Surface- and Buffer-Induced Current Collapse in GaN High-Electron Mobility Transistors on Si Substrate. IEEE TRANSACTIONS ON ELECTRON DEVICES. 2015;62:2475-2480.Abstract
The temperature dependence of current collapse (CC) in AlGaN/GaN high-electron mobility transistors on silicon substrate is studied in this paper. Devices without and with Si3N4 passivation are used to investigate the behavior of surface- and buffer-induced CC, respectively. It is found that the degree of surface-induced CC in unpassivated devices has a weak temperature dependence, which is induced by the cancelling out between enhanced carrier injection based on surface hopping and enhanced emission when the temperature is increased. On the other hand, the degree of buffer-induced CC in the Si3N4 passivated devices is reduced at higher temperature since the energy of hot electrons is reduced due to the phonon scattering and the trapping of hot electrons in the buffer is mitigated. Temperature-dependent transient measurement is also carried out to investigate the recovery process for these two type of CC. Two types of trap levels are identified in the unpassivated and Si3N4 passivated devices, respectively. The trap level E1 with an activation energy of 0.08 eV is supposed to be related to the surface trapping, while E2 with an activation energy of 0.22 eV is located in the buffer layer.
Cheng Z, Xu Z, Xu S, Wang X. Temperature dependent behavior of thermal conductivity of sub-5 nm Ir film: Defect-electron scattering quantified by residual thermal resistivity. Journal of Applied Physics. 2015;117(2):024307.
Cheng Z, Xu Z, Xu S, Wang X. Temperature dependent behavior of thermal conductivity of sub-5 nm Ir film: Defect-electron scattering quantified by residual thermal resistivity. Journal of Applied Physics. 2015;117(2):024307.
Cheng Z. Temperature-dependent thermal and electrical conduction in metallic nanostructures. 2015.
Tang H-H, Liu* P-K. Terahertz far-field super-resolution imaging through spoof surface plasmons illumination. Optics Letters. 2015;40(23):5822-5825.
Tang H-H, Liu* P-K. Terahertz metalenses for evanescent wave focusing and super- resolution imaging. Journal of Electromagnetic Waves and Applications. 2015;29(13):1776-1784.

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