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相关论文: Interfacial charge transfer in nanoscale polymer t…

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Electric field dependent capacitance and dielectric loss in poly(3-hexylthiophene) are measured by precision capacitance bridge. Carrier mobility and density are estimated from fits to current-voltage and capacitance data. The capacitance…

应用物理 · 物理学 2023-03-03 Sougata Mandal , Reghu Menon

The $\sqrt{13}\times\sqrt{13}$ charge density wave state of the T polytype of MX$_2$ (M=Nb,Ta, X=S, Se) is known to host a half-filled flat band, which electronic correlations drive into a Mott insulating state. When T polytypes are coupled…

材料科学 · 物理学 2024-06-26 Irián Sánchez-Ramírez , Maia G. Vergniory , Fernando de Juan

Using analytical techniques and Langevin dynamics simulations, we investigate the dynamics of polymer translocation through a nanochannel embedded in two dimensions under an applied external field. We examine the translocation time for…

软凝聚态物质 · 物理学 2012-03-26 Huaisong Yong , Yilin Wang , Shichen Yuan , Bi Xu , Kaifu Luo

The influence of substrate treatment with self-assembled monolayers and thermal annealing was analysed by electrical and structural measurements on field-effect transistors (FETs) and metal-insulator-semiconductor (MIS) diodes using…

软凝聚态物质 · 物理学 2007-05-23 S. Grecu , M. Roggenbuck , A. Opitz , W. Bruetting

We present a procedure to determine transmission eigenchannels for coherent phonon transport in nanoscale devices using the framework of nonequilibrium Green's functions. We illustrate our procedure by analyzing a one-dimensional chain,…

介观与纳米尺度物理 · 物理学 2018-05-02 J. C. Klöckner , J. C. Cuevas , F. Pauly

Two-dimensional, solution-processable semiconductor materials are anticipated to be used in low-cost electronic applications, such as transistors and solar cells. Here, lead sulfide nanosheets with a lateral size of several microns are…

材料科学 · 物理学 2015-07-20 Thomas Bielewicz , Sedat Dogan , Christian Klinke

LaAlO$_{3}$/SrTiO$_{3}$ heterostructure with polar and non-polar constituents has been shown to exhibit interface metallic conductivity due to fractional charge transfer to the interface. The interface reconstruction by electron…

材料科学 · 物理学 2016-08-24 M Karthick Selvan , Prasanta K. Panigrahi

Interfaces play an essential role in phonon-mediated heat conduction in solids, impacting applications ranging from thermoelectric waste heat recovery to heat dissipation in electronics. From a microscopic perspective, interfacial phonon…

介观与纳米尺度物理 · 物理学 2015-09-28 Chengyun Hua , Xiangwen Chen , Navaneetha K. Ravichandran , Austin J. Minnich

We have used a photothermal technique, in which chopped light heats the front surface of a small ( ~ 1 mm2) sample and the chopping frequency dependence of thermal radiation from the back surface is measured with a liquid nitrogen cooled…

材料科学 · 物理学 2016-01-20 J. W. Brill , Maryam Shahi , Marcia M. Payne , Jesper Edberg , Y. Yao , Xavier Crispin , J. E. Anthony

A statistical model of resistor network is proposed to describe a polymer structure and to simulate the real and imaginary components of its ac resistivity. It takes into account the polydispersiveness of the material as well as intrachain…

统计力学 · 物理学 2009-10-31 H. N. Nagashima , R. N. Onody , R. M. Faria

We investigated transport properties of organic heterointerfaces formed by single-crystals of two organic donor-acceptor molecules, tetramethyltetraselenafulvalene (TMTSF) and 7,7,8,8-tetracyanoquinodimethane (TCNQ). Whereas the individual…

材料科学 · 物理学 2015-05-18 M. Nakano , H. Alves , A. S. Molinari , S. Ono , N. Minder , A. F. Morpurgo

Short-range electron-electron interactions are incorporated into the network model of the integer quantum Hall effect. In the presence of interactions, the electrons, propagating along one link, experience exchange scattering off the…

介观与纳米尺度物理 · 物理学 2009-11-10 V. M. Apalkov , M. E. Raikh

Electrons floating on the surface of liquid helium are possible spin-qubits for quantum information processing. Varying electric potentials are not expected to modify spin states, which allows their transport on helium using a…

其他凝聚态物理 · 物理学 2009-11-13 G. Sabouret , F. R. Bradbury , S. Shankar , S. A. Lyon

We present a comprehensive first-principles study of the electronic charge redistribution in atomically sharp LaAlO$_3$/SrTiO$_3$(001) heterointerfaces of both n- and p-types allowing for non-stoichiometric composition. Using two different…

材料科学 · 物理学 2012-11-13 Alexandre Sorokine , Dmitry Bocharov , Sergei Piskunov , Vyacheslavs Kashcheyevs

Nonreciprocal (NR) charge transport in quantum materials has attracted enormous interest since it offers an avenue to investigate quantum symmetry related physics and holds many prospective applications such as rectification and…

We report a spectral ellipsometry study of multilayers composed of superconducting YBa$_2$Cu$_3$O$_{6+\delta}$ (YBCO) and ferromagnetic La$_{0.7}$Ca$_{0.3}$MnO$_3$ in the spectral range of 0.7 - 6.5 eV. With increasing YBCO sublayer…

强关联电子 · 物理学 2019-01-25 A. Seo , A. V. Boris , G. Cristiani , H. -U. Habermeier , B. Keimer

We present an {\it ab initio} analysis of electron conduction through a $C_{60}$ molecular device. Charge transfer from the device electrodes to the molecular region is found to play a crucial role in aligning the lowest unoccupied…

凝聚态物理 · 物理学 2009-10-31 Jeremy Taylor , Hong Guo , Jian Wang

Measurements of low-frequency transconductance dispersion at different temperatures and conductance deep level transient spectroscopic(CDLTS) studies of an AlGaAs/InGaAs pseudomorphic HEMT were carried out. The experimental results show the…

介观与纳米尺度物理 · 物理学 2009-11-11 V. R. Balakrishnan , Vikram Kumar , Subhasis Ghosh

Realizing a controllable network with multiple degrees of interaction is a challenge to physics and engineering. Here, we experimentally report an on-chip reconfigurable network based on nanoelectromechanical resonators with…

量子物理 · 物理学 2020-09-08 Tian Tian , Shaochun Lin , Liang Zhang , Peiran Yin , Pu Huang , Changkui Duan , Liang Jiang , Jiangfeng Du

The two-dimensional transition metal dichalcogenides (TMDs) have been proposed as candidates for the channel material in future field effect transistor designs. The heterophase design which utilizes the metallic T- or T' phase of the TMD as…

介观与纳米尺度物理 · 物理学 2021-08-04 Line Jelver , Ole Hansen , Karsten Wedel Jacobsen