English
Related papers

Related papers: Electrical Transport Properties of Single-Layer WS…

200 papers

The electrical, thermal conductivity and Seebeck coefficient of the quenched, annealed and slowly cooled phases of the layer compound CuCrS2 have been reported between 15K to 300K. We also confirm the antiferromagnetic transition at 40K in…

Strongly Correlated Electrons · Physics 2015-05-13 G. C. Tewari , T. S. Tripathi , A. K. Rastogi

We investigate electron transport through a finite two dimensional mesoscopic periodic potential, consisting of an array of lateral quantum dots with electron density controlled by a global top gate. We observe a transition from an…

Mesoscale and Nanoscale Physics · Physics 2015-06-23 Neal E. Staley , Nirat Ray , Marc A. Kastner , Micah P. Hanson , Arthur C. Gossard

Both electron and phonon transport properties of single layer MoS2 (SLMoS2) are studied. Based on first-principles calculations, the electrical conductivity of SLMoS2 is calculated by Boltzmann equations. The thermal conductivity of SLMoS2…

Mesoscale and Nanoscale Physics · Physics 2015-12-07 Zelin Jin , Quanwen Liao , Haisheng Fang , Zhichun Liu , Wei Liu , Zhidong Ding , Tengfei Luo , Nuo Yang

We show theoretically that the strong interaction of a two-dimensional electron gas (2DEG) with a dressing electromagnetic field drastically changes its transport properties. Particularly, the dressing field leads to the giant increase of…

Mesoscale and Nanoscale Physics · Physics 2015-05-04 S. Morina , O. V. Kibis , A. A. Pervishko , I. A. Shelykh

Topological materials with extremely large magnetoresistance exhibit a prognostic feature of resistivity turn-on behaviour. This occurs when the temperature dependence of resistivity changes from metallic to semiconducting characteristics…

Materials Science · Physics 2021-09-01 V. Nagpal , K. S. Jat , S. Patnaik

High-mobility layered semiconductors have the potential to enable the next-generation electronics and computing. This paper demonstrates that the ultrahigh electron mobility observed in the layered semiconductor Bi$_2$O$_2$Se originates…

Materials Science · Physics 2022-03-29 Ziye Zhu , Xiaoping Yao , Shu Zhao , Xiao Lin , Wenbin Li

The advances in the growth techniques provide numerous scope to explore the possibilities of new 2D materials for potential applications. With the aid of first-principle calculations we show that 2D Na can be a new addition to the family of…

Materials Science · Physics 2019-08-08 Ajit Jena , Wu Li

We report on a systematic study of Hall effect using high quality single crystals of type-II Weyl semimetal WTe2 with the applied magnetic field B//c. The residual resistivity ratio of 1330 and the large magnetoresistance of 1.5\times10^6 %…

Materials Science · Physics 2017-10-03 Rajveer Jha , Ryuji Higashinaka , Tatsuma D. Matsuda , Raquel A. Ribeiro , Yuji Aoki

We explore the thermoelectric transport properties of a coexistence topological semimetal, characterized by the presence of both a pair of Weyl points and a nodal ring in the quantum limit. This system gives rise to complex Landau bands…

Mesoscale and Nanoscale Physics · Physics 2024-03-12 L. W. Guo , C. M. Wang

Recent renewed interest in layered transition metal dichalcogenides stems from the exotic electronic phases predicted and observed in the single- and few-layer limit. Realizing these electronic phases requires preserving the desired…

Materials Science · Physics 2016-06-21 J. M. Woods , J. Shen , P. Kumaravadivel , Y. Pang , Y. Xie , G. A. Pan , M. Li , E. I. Altman , L. Lu , J. J. Cha

We develop a microscopic theory of electron transport in superlattices within the Wannier-Stark approach by including the interaction associated with Zener tuneling among the energy levels pertaining to adjacent quantum wells. By using a…

Other Condensed Matter · Physics 2009-11-13 Angelo Guida , Lino Reggiani , Marcello Rosini

This study illustrates the nature of electronic transport and its transition from one mechanism to another between a metal electrode and MoS2 channel interface in a field effect transistor (FET) device. Interestingly, measurements of the…

Materials Science · Physics 2015-05-19 Faisal Ahmed , Min Sup Choi , Xiaochi Liu , Won Jong Yoo

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

We present a comprehensive computational study of the electronic, thermal, and thermoelectric (TE) properties of gallium nitride nanowires (NWs) over a wide range of thicknesses (3--9 nm), doping densities ($10^{18}$--$10^{20}$ cm$^{-3}$),…

Mesoscale and Nanoscale Physics · Physics 2014-05-21 A. H. Davoody , E. B. Ramayya , L. N. Maurer , I. Knezevic

Two-dimensional (2D) semiconductors are promising for low-power complementary metal oxide semiconductor (CMOS) electronics, which require ultrathin n- and p-type transistor channels. Among 2D semiconductors, WS2 is expected to have good…

We investigate electronic transport in twisted bilayer graphene (tBLG) under variable temperatures ($T$), carrier densities ($n$), and transverse magnetic fields, focusing on samples with small-twist-angles ($\theta$). These samples show…

Mesoscale and Nanoscale Physics · Physics 2018-08-24 Ting-Fung Chung , Yang Xu , Yong P. Chen

We have measured both the current-voltage ($I_\mathrm{SD}$-$V_\mathrm{GS}$) and capacitance-voltage ($C$-$V_\mathrm{GS}$) characteristics of a $\mathrm{MoS_2-LiNbO_3}$ field effect transistor. From the measured capacitance we calculate the…

Mesoscale and Nanoscale Physics · Physics 2017-06-23 W. Michailow , F. J. R. Schülein , B. Möller , E. Preciado , A. E. Nguyen , G. v. Son , J. Mann , A. L. Hörner , A. Wixforth , L. Bartels , H. J. Krenner

We report a first principles theoretical investigation of quantum transport in monolayer WSe2 field effect transistor (FET). Due to a strong spin-orbit interaction (SOI) and the atomic structure of the two-dimensional (2D) lattice,…

Mesoscale and Nanoscale Physics · Physics 2015-06-17 Kui Gong , Lei Zhang , Dongping Liu , Lei Liu , Yu Zhu , Yonghong Zhao , Hong Guo

Semiconductors require stable doping for applications in transistors, optoelectronics, and thermoelectrics. However, this has been challenging for two-dimensional (2D) materials, where existing approaches are either incompatible with…

Applied Physics · Physics 2021-01-29 Connor J. McClellan , Eilam Yalon , Kirby K. H. Smithe , Saurabh V. Suryavanshi , Eric Pop

A method is introduced to isolate and measure the electrical transport properties of individual single-walled carbon nanotubes (SWNTs) aligned on an ST-cut quartz, from room temperature down to 2 K. The diameter and chirality of the…

Mesoscale and Nanoscale Physics · Physics 2014-08-26 Tohru Watanabe , El-Hadi S. Sadki , Takahide Yamaguchi , Yoshihiko Takano