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	1. Modulation of strain in SiNx-capped germanium and germanium-on-insulator stripes by varying stripe width and NH3/SiH4 gas ratio during SiNx growth
	LIN Guangyang,LAN Xiaoling,WANG Chen,CHEN Chaowen,CHNE Ningli,LI Cheng,CHEN Songyan,HUANG Wei,LAI Hongkai
	Physics 13 November 2015
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	Abstract:Strain in germanium (Ge) and germanium-on-insulator (GOI) stripes with SiNx capping layer was modulated through varying stripe width and NH3/SiH4 gas ratio for growth of SiNx. It was found that tensile strain increases with augment of stripe width for Ge stripes, while decreases for GOI stripes. The divergence is attributable to higher strain relaxation in SiNx capping layer for Ge stripes and larger strain loss into SiO2 and Si substrate for GOI stripes as stripe width increase. Silicon nitride capping layers deposited at smaller NH3/SiH4 ratio result in larger tensile strain in Ge layer, which can be attributed to rich Si-H bonds in the SiNx layer.
	TO cite this article:LIN Guangyang,LAN Xiaoling,WANG Chen, et al. Modulation of strain in SiNx-capped germanium and germanium-on-insulator stripes by varying stripe width and NH3/SiH4 gas ratio during SiNx growth[OL].[13 November 2015] http://en.paper.edu.cn/en_releasepaper/content/4661255


	2. Cu@metal nanowires network for transparent electrodes on n-AlGaN
	CAI Duanjun,WANG Huachun
	Physics 13 November 2015
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	Abstract:We propose a novel technique for fabricating a series of Cu@metal core-shell nanowires as transparent electrodes for III-nitride based devices. The superfine copper nanowires (13 nm) was synthesized by solution method and used as the platform to coat various metals such as nickle, zinc, vanadium or titanium, with which desired work function could be obtained. This nanowires network could be fabricated on wafer or even flexible substrates. High transparency was achieved in a very wide wavelength range from 200~2500 nm. The transparent electrodes showed low resistance as well as excellent stability in air.
	TO cite this article:CAI Duanjun,WANG Huachun. Cu@metal nanowires network for transparent electrodes on n-AlGaN[OL].[13 November 2015] http://en.paper.edu.cn/en_releasepaper/content/4661226

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	3. Influence of ion- implantation on the effective Schottky barrier height of NiGe/n-Ge contacts
	Li Cheng,Tang Mengrao,Lin Guangyang,Huang Wei,Wang Chen
	Physics 12 November 2015
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	Abstract:The mechanism to modulate the effective Schottky barrier height of NiGe/Ge contacts with impurity incorporation is still under debate. We experimentally demonstrate that ion implant damages, rather than interface passivation, play a dominant role in lowering the effective Schottky barrier height of NiGe/n-Ge contacts in the case of selenium and silicon implantation. Selenium segregated at the interface between NiGe and Ge acts as neither donor nor passivator for alleviation of Fermi- level pinning effect to greatly influence on the electrical characteristics. It is rather different from the role of phosphorus, which segregates at the interface leading to good ohmic behavior for the NiGe/n-Ge contacts by narrowing Schottky barrier. Si doping in Ge slightly increases the effective barrier height of the NiGe/n-Ge contacts.
	TO cite this article:Li Cheng,Tang Mengrao,Lin Guangyang, et al. Influence of ion- implantation on the effective Schottky barrier height of NiGe/n-Ge contacts[OL].[12 November 2015] http://en.paper.edu.cn/en_releasepaper/content/4661258


	4. Thermodynamics of noncommutative geometry inspired black holes
	WU Yumei,LIU Chang,MIAO Yangang
	Physics 04 November 2015
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	Abstract:With the rational fraction form or the exponential form as a replacement of $delta$-function form as the density distribution of black holes, the mass-smeared regularized AdS black holes are investigated from their configurations and thermodynamics, including variation of the mass with respect to the horizon radius and the Hawking temperature, entropy, Gibbs free energy, and heat capacity at a constant pressure as well. It turns out that the mass-smeared black hole possesses anextremal configuration in which the temperature is zero. Based on the first law of thermodynamics, there is a modification to the area law which depends on the form of smearing. The Gibbs free energy corresponding to phase structure may behave differently at different vacuum pressures, specifically, the phase structure is more complex in a low pressure. We reveal similarities for the black holes of the two forms both in configurations and thermodynamics.
	TO cite this article:WU Yumei,LIU Chang,MIAO Yangang. Thermodynamics of noncommutative geometry inspired black holes[OL].[ 4 November 2015] http://en.paper.edu.cn/en_releasepaper/content/4659732


	5. High sensitive microfluidic flow sensor based on aligned piezoelectric nanofibers
	ZHANG Lingling,YU Xiaolei,YOU Sujian,LIU Huiqin,ZHANG Cancan,CAI Bo,XIAO Liang,LIU Wei,GUO Shishang,ZHAO Xingzhong
	Physics 19 October 2015
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	Abstract:A microfluidic flow sensor based on aligned polyvinylidene fluoride trifluoroethylene P(VDF-TrFE) piezoelectric nanofibers has been developed, which can be used for real-time detection of low flow rate and viscosity in microchannels. The detection principle dependence of voltage drop output by nanofibers while sensing pressure drop along the microchannel. Due to the high sensitivity of nanofibers, this sensor responded linearly to low flow rates ranging from 13 µl/h to 451 µl/h, and viscosities of ethylene glycol aqueous solution ranging from 1 mPa•S to 16.1 mPa•S at 25℃, respectively. These findings highlight the potential of P(VDF-TrFE) nanofibers in multifunctional sensors.
	TO cite this article:ZHANG Lingling,YU Xiaolei,YOU Sujian, et al. High sensitive microfluidic flow sensor based on aligned piezoelectric nanofibers[OL].[19 October 2015] http://en.paper.edu.cn/en_releasepaper/content/4658132


	6. Stable structure and optical properties of fused silica with NBOHC-E’defect
	YANG Yang,LU Pengfei,WU Liyuan,SU Rui
	Physics 27 September 2015
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	Abstract:First-principles methods are used to simulate stable structure and optical properties of a 96-atom fused silica. The preferable structure of NBOHC-E’ (the non-bridging oxygen hole center with a three coordinate Si atom) pair defect is predicted to locate at 2.4 Å for the Si-O bond length. The quasi-particle G0W0 calculations are performed and an accurate bandgap can be obtained in order to calculate the optical absorption properties. In the case of NBOHC-E’ pair, two obvious absorption peaks can be observed in the absorption spectrum. The calculation reproduced the peak positions of the well-known optical absorption bands.
	TO cite this article:YANG Yang,LU Pengfei,WU Liyuan, et al. Stable structure and optical properties of fused silica with NBOHC-E’defect[OL].[27 September 2015] http://en.paper.edu.cn/en_releasepaper/content/4656192


	7. Ultrafast all-THz manipulation of spin coherence in antiferromagnetic DyFeO3 crystal
	Jin Zuanming,Ma Guohong
	Physics 17 September 2015
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	Abstract:THz time domain spectroscopy (TDS) with picosecond temporal resolution is used to achieve the spin coherent control in an antiferromagnetic DyFeO3 single crystal. It is demonstrated that by adjusting the arriving time between the excitation and control THz pulse, the amplitude of the free induction decay (FID) signals emitted from the precession of the macroscopic magnetization at the frequency of quasiferromagnetic mode (FM, 0.38 THz) and quasiantiferromagnetic mode (AFM, 0.52 THz) can be coherently driven to large amplitude or switched off, respectively. Furthermore, when FM and AFM spin precession are launched simultaneously, an appropriately timed sequence of the double THz pulses can be used to select any spin mode. Our experimental results attest that all-THz coherent control is an efficient and ultrafast way to switch the spin precession in antiferromagnet nondestructively.
	TO cite this article:Jin Zuanming,Ma Guohong. Ultrafast all-THz manipulation of spin coherence in antiferromagnetic DyFeO3 crystal[OL].[17 September 2015] http://en.paper.edu.cn/en_releasepaper/content/4654935


	8. Optimal Construction of P-type Polymer/Au Interfaces for Robust Photodetector
	LI Juan,WANG Shuai,QIAN Lihua
	Physics 10 May 2015
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	Abstract:Reducing the dark currents is an effective route to suppress thermal damage of organic optoelectronic devices and enhances the on/off ratio of photoelectric devices. Different from the single crystalline nanostructures and organic hetero-junctions with the well-matched energy levels, thin hybrid films consisting of p-type polymer and gold nanoparticles are constructed as an efficient photodetector in this work. The rationalized polymer/Au interfaces decrease the dark current by a factor of 100 times, meanwhile the corresponding response and recovery times are respectively decreased by 71% and 60% in comparison with pure polymer conterpart. Gold nanoparticles are considered as the plasmonic absorber for the incident light to enhance the on/off ratio in electrical current, especially the optimized recyclability of output signal evidenced by the negligible declination after 900 cycles will offer an attractive path to configure the robust photodetector with high efficiency and long lifetime.
	TO cite this article:LI Juan,WANG Shuai,QIAN Lihua. Optimal Construction of P-type Polymer/Au Interfaces for Robust Photodetector[OL].[10 May 2015] http://en.paper.edu.cn/en_releasepaper/content/4642709


	9. Solutions of Maxwell Equation of a Lattice System with Meissner Effect
	Qiang Li
	Physics 16 April 2015
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	Abstract:We show that Maxwell equation of a lattice system may have Meissner effect solutions when all carriers are surface state electrons. Some limitations on the wave function distributions of electrons in the system are identified.
	TO cite this article:Qiang Li. Solutions of Maxwell Equation of a Lattice System with Meissner Effect[OL].[16 April 2015] http://en.paper.edu.cn/en_releasepaper/content/4639392


	10. First-principles study of hydrogen storage on Ti-decorated BC3 nanostructures
	Li Ma,Jianguang Wang,yanhua Liang,Guanghou Wang
	Physics 16 March 2015
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	Abstract:Hydrogen storage capacity of Ti-decorated BC3 sheet and nanotubes has been studied using first-principles calculations. It is found that Ti atoms are strongly adsorbed on two BC3 nanostructures, forming Ti-BC3 hybridized complexes. Each Ti atom can adsorb four hydrogen molecules, yielding 7.79 wt % hydrogen storage capacity for Ti atoms covered on both sides of the BC3 sheet. The adsorption energy is 0.31 eV/H2. Hydrogen storage capacity of Ti externally decorated (5, 0) BC3 nanotube can also achieve the same value as Ti doped BC3 sheet, 7.79 wt %. Together with Ti atoms internally adsorbed on (5, 0) BC3 nanotube, hydrogen storage capacity of the Ti-decorated (5, 0) BC3 nanotube can reach 8.43 wt % with the adsorption energy is 0.34 eV/H2. Hydrogen storage capacity of Ti-decorated BC3 (3,0), (4,0) and (6,0) nanotubes are also considered. We find that the capacity of hydrogen storage increases with the BC3 tube diameter increasing. Our present results may provide a useful pathway of engineering Ti-decorated BC3 nanostructures for high-capacity storage.
	TO cite this article:Li Ma,Jianguang Wang,yanhua Liang, et al. First-principles study of hydrogen storage on Ti-decorated BC3 nanostructures[OL].[16 March 2015] http://en.paper.edu.cn/en_releasepaper/content/4635062

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