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The charge transport properties of hybrid halide perovskites are investigated with a combination of density functional theory including van der Waals interaction and the Boltzmann theory for diffusive transport in the relaxation time…

Materials Science · Physics 2016-01-29 Carlo Motta , Fedwa El Mellouhi , Stefano Sanvito

Dynamical equations for a polaron and bipolaron in a DNA duplex are obtained on the basis of Holstein-Hubbard Hamiltonian. It is shown that in a PolyA/PolyT duplex especially stable is a bipolaron state in which holes are localized on…

Superconductivity · Physics 2013-02-15 V. D. Lakhno , V. B. Sultanov

A two-band model involving the A- and B-valence bands was adopted to analyze the temperature dependent Hall effect measured on N-doped \textit{p}-type ZnO. The hole transport characteristics (mobilities, and effective Hall factor) are…

Materials Science · Physics 2009-11-11 Takayuki Makino , Akira Ohtomo , A. Tsukazaki , M. Kawasaki , H. Koinuma

Here we present an analysis of the mobility-limiting mechanisms of a two-dimensional hole gas on hydrogen-terminated diamond surfaces. The scattering rates of surface impurities, surface roughness, non-polar optical phonons, and acoustic…

The conductivity of extremely high mobility dilute two-dimensional holes in GaAs changes linearly with temperature in the insulating side of the metal-insulator transition. Hopping conduction, characterized by an exponentially decreasing…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 Hwayong Noh , M. P. Lilly , D. C. Tsui , J. A. Simmons , L. N. Pfeiffer , K. W West

The characteristics of cation radical (hole) migration in heterogeneous DNA were investigated on the basis of Kubo formula, in which correlation functions were obtained from solutions of systems of Bogoliubov hierarchy. The cutting of…

Other Condensed Matter · Physics 2013-08-02 O. A. Ponomarev , A. S. Shigaev , A. I. Zhukov , V. D. Lakhno

The temperature variation of partial mobility and effective mobility for undoped p-GaSb have been calculated using Matthiessen rule. The effective mobility depends on the ionized, acoustic, polar optical and non-polar optical scattering…

Condensed Matter · Physics 2007-05-23 Altje Latununuwe , Pepen Arifin , Euis Sustini , Horasdia Saragih

We report on a study of the interactions between holes and molecular vibrations on dry DNA using photoinduced infrared absorption spectroscopy. Laser photoexcited (PE) holes are found to have a room-temperature lifetime in excess of 1 ms,…

Soft Condensed Matter · Physics 2008-11-19 A. Omerzu , M. Licer , T. Mertelj , V. V. Kabanov , D. Mihailovic

The temperature dependence of a charge mobility in a model DNA based on Holstein Hamiltonian is calculated for 4 types of homogeneous sequences It has turned out that upon rescaling all 4 types are quite similar. Two types of rescaling,…

Statistical Mechanics · Physics 2014-04-10 D. A. Tikhonov , N. S. Fialko , E. V. Sobolev , V. D. Lakhno

The quality of the silicon-oxide interface plays a crucial role in fabricating reproducible silicon spin qubits. In this work we characterize interface quality by performing mobility measurements on silicon Hall bars. We find a peak…

Utilizing a novel carbon doping source, we prepared two-dimensional hole gases in a symmetric quantum well structure in the GaAs/AlGaAs heterosystem. Low temperature hole mobilities up to 1.2 x 10^6 cm^2/Vs at a density of 2.3 x 10^11 cm^-2…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 C. Gerl , S. Schmult , H. - P. Tranitz , C. Mitzkus , W. Wegscheider

With MgH^+ ions as a test case, we investigate to what extent the rotational motion of smaller polar molecular ions sympathetically cooled into Coulomb crystals in linear Paul traps couples to the translational motions of the ion ensemble.…

Chemical Physics · Physics 2015-06-26 Anders Bertelsen , Solvejg Jørgensen , Michael Drewsen

We calculate the dislocation glide mobility in solid $^4$He within a model that assumes the existence of a superfluid field associated with dislocation lines. Prompted by the results of this mobility calculation, we study within this model…

Other Condensed Matter · Physics 2017-01-20 Abdul N. Malmi-Kakkada , Oriol T. Valls , Chandan Dasgupta

We investigate temperature dependent transport properties of two-dimensional p-GaAs systems taking into account both hole-phonon and hole-impurity scattering effects. By analyzing the hole mobility data of p-GaAs in the temperature range 10…

Mesoscale and Nanoscale Physics · Physics 2012-08-15 Hongki Min , E. H. Hwang , S. Das Sarma

We study the thermo-electric transport coefficients of an extended version of the Gubser-Rocha model. After reviewing the two relaxation time model from holography and studying the effect of the magnetic field on thermo-electric transports…

High Energy Physics - Theory · Physics 2024-03-15 Xian-Hui Ge , Zhaojie Xu

Heat conduction plays an important role in the balance between heating and cooling in many astrophysical objects, e.g. cooling flows in clusters of galaxies. Here we investigate the effect of heat conduction on the interaction between a…

Astrophysics · Physics 2009-11-11 E. Meyer-Hofmeister , F. Meyer

We have realized a two-dimensional hole system (2DHS), in which the 2DHS is induced at an atomically flat hydrogen-terminated Si(111) surface by a negative gate voltage applied across a vacuum cavity. Hole densities up to $7.5\times10^{11}$…

Mesoscale and Nanoscale Physics · Physics 2015-06-03 Binhui Hu , Tomasz M. Kott , Robert N. McFarland , B. E. Kane

We demonstrate dual-gated $p$-type field-effect transistors (FETs) based on few-layer tungsten diselenide (WSe$_2$) using high work-function platinum source/drain contacts, and a hexagonal boron nitride top-gate dielectric. A device…

The 2D lattice gas model with competing short and long range interactions is appliedused for calculation of the incoherent charge transport in the classical strongly-correlated charge segregated polaronic state. We show, by means of…

Strongly Correlated Electrons · Physics 2015-05-18 J. Miranda , T. Mertelj , V. Kabanov , D. Mihailovic

We demonstrate the control of the hole concentration in Ga1-xMnxP over a wide range by introducing compensating vacancies. The resulting evolution of the Curie temperature from 51 K to 7.5 K is remarkably similar to that observed in…

Materials Science · Physics 2011-01-05 T. E. Winkler , P. R. Stone , Tian Li , K. M. Yu , A. Bonanni , O. D. Dubon
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