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Two-dimensional (2D) materials are a new class of materials with interesting physical properties and applications ranging from nanoelectronics to sensing and photonics. In addition to graphene, the most studied 2D material, monolayers of…

Materials Science · Physics 2022-04-12 Lianhua Zhang , Jian Chen , Fei Liu , Zhengyang Du , Yilun Jiang , Min Han

Topological semimetal may have substantial applications in electronics, spintronics and quantum computation. Recently, ZrTe is predicted as a new type of topological semimetal due to coexistence of Weyl fermion and massless triply…

Materials Science · Physics 2018-01-17 San-Dong Guo , Yue-Hua Wang , Wan-Li Lu

Precision measurements of charge transport parameters (resistivity, Hall and Seebeck coefficients) have been carried out on high-quality single-crystals of cerium hexaboride in a wide temperature range 1.8-300 K. It is shown that in the…

We report on a systematic study of electronic transport in tetracene single crystals by means of space charge limited current spectroscopy and time of flight measurements. Both $I$-$V$ and time of flight measurements show that the…

Materials Science · Physics 2009-11-10 R. W. I. de Boer , M. Jochemsen , T. M. Klapwijk , A. F. Morpurgo , J. Niemax , A. K. Tripathi , J. Pflaum

This work reports the electrical transport and temperature-dependent photoconductivity in tungsten diselenide (WSe2) thin films. The electrical conductivity analysis shows the presence of the three regions with temperature variation. At…

We have measured the resistivity and the Seebeck coefficient of a MgB2 sintered sample. The temperature dependence of resistivity is fitted well by a generalized Bloch-Gruneisen equation with a Debye temperature of 1050 K. The Seebeck…

We have combined the Boltzmann transport equation with an {\it ab initio} approach to compute the thermoelectric coefficients of semiconductors. Electron-phonon, ionized impurity, and electron-plasmon scattering rates have been taken into…

Materials Science · Physics 2018-10-26 Z. Wang , S. Wang , S. Obukhov , N. Vast , J. Sjakste , V. Tyuterev , N. Mingo

Heterostructures comprising of silicon (Si), molybdenum disulfide (MoS${_2}$) and graphene are investigated with respect to the vertical current conduction mechanism. The measured current-voltage (I-V) characteristics exhibit temperature…

Five transport coefficients of the cuprate superconductor Bi$_2$Sr$_{2-x}$La$_x$CuO$_{6+\delta}$ were measured in the normal state down to low temperature, reached by applying a magnetic field (up to 66T) large enough to suppress…

We report a study of selenospinel Cu$_{6-x}$Fe$_{4+x}$Sn$_{12}$Se$_{32}$ ($x$ = 0, 1, 2) single crystals, which crystalize in a cubic structure with the $Fd\overline{3}m$ space group, and show typical semiconducting behavior. The large…

Materials Science · Physics 2023-08-01 Yu Liu , Zhixiang Hu , Xiao Tong , David Graf , C. Petrovic

We have measured both magnetoresistance and Hall effect in CeOs$_4$Sb$_{12}$ to clarify the large resistivity state ascribed to the Kondo insulating one and the origin of the phase transition near 0.9 K reported in the specific heat…

Strongly Correlated Electrons · Physics 2007-05-23 H. Sugawara , S. Osaki , M. Kobayashi , T. Namiki , S. R. Saha , Y. Aoki , H. Sato

The advent of new-class of high-mobility semiconducting polymers opens up a window to address fundamental issues in electrical transport mechanism such as hopping between localized states versus extended state conduction. Here, we…

Materials Science · Physics 2015-06-23 Satyaprasad P. Senanayak , A. Z. Ashar , Catherine Kanimozhi , Satish Patil , K. S. Narayan

The behaviors of resistance, magnetoresistance (up to 5 T), and Hall electromotive force (EMF) with varying temperature (from 10 to 300 K) and measuring current (from 10 mkA to 10 mA) are studied for the Si sample with CrSi2…

Mesoscale and Nanoscale Physics · Physics 2014-10-14 V. V. Andrievskii , Yu. F. Komnik , I. B. Berkutov , I. G. Mirzoiev , N. G. Galkin , D. L. Goroshko

We study the hopping mechanism of the vibron excitation transport in the simple 1D model of biological macromolecular chains. We supposed that the vibron interaction with thermal oscillations of the macromolecular structural elements will…

Mesoscale and Nanoscale Physics · Physics 2014-12-17 D. Čevizović , Z. Ivic. , S. Galović , A. Chizhov A. , A. Reshetnyak

Spectral and transport properties of the quasi two-dimensional adiabatic Su-Schrieffer-Heeger model are studied adjusting the parameters in order to model rubrene single-crystal field effect transistors with small but finite density of…

Strongly Correlated Electrons · Physics 2011-12-30 F. Gargiulo , C. A. Perroni , V. Marigliano Ramaglia , V. Cataudella

Realization of intrinsic surface dominant transport in a wide temperature region for a topological insulators (TIs) is an important frontier research in order to promote the progresses of TIs towards the future electronics. We report here…

Materials Science · Physics 2019-05-22 Stephane Yu Matsushita , Khuong Kim Huynh , Katsumi Tanigaki

We report on the electrical and thermal transport properties of nickel nanoparticles with crystallite size from 23.1 to 1.3 nm. These nanoparticles show a systematic metal to insulator transition with the change in the conduction type from…

Mesoscale and Nanoscale Physics · Physics 2022-10-26 Vikash Sharma , Gunadhor Singh Okram , Yung-Kang Kuo

The transport properties at finite temperature of crystalline organic semiconductors are investigated, within the Su-Schrieffer-Heeger model, by combining exact diagonalization technique, Monte Carlo approaches, and maximum entropy method.…

Materials Science · Physics 2015-02-26 G. De Filippis , V. Cataudella , A. S. Mishchenko , N. Nagaosa , A. Fierro , A. de Candia

The Hall and Seebeck coefficients, electrical resistivity and thermal conductivity of polycrystalline NiSi3P4 were characterized from 2 to 775K. Undoped NiSi3P4 behaves like a narrow gap semiconductor, with activated electrical resistivity…

Materials Science · Physics 2013-03-18 Andrew F. May , Michael A. McGuire , Hsin Wang

Recently a novel two-dimensional (2D) C$_{60}$ based crystal called quasi-hexagonal-phase fullerene (QHPF) has been fabricated and demonstrated to be a promising candidate for 2D electronic devices [Hou et al. Nature 606, 507-510 (2022)].…

Computational Physics · Physics 2023-02-17 Haikuan Dong , Chenyang Cao , Penghua Ying , Zheyong Fan , Ping Qian , Yanjing Su