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Layered transition metal chalcogenides have stimulated a wide research interest due to their many exotic physical properties. In this paper, we studied the magnetotransport properties of the exfoliated TaNiTe5, a recently discovered Dirac…

Mesoscale and Nanoscale Physics · Physics 2024-05-21 Ding-Bang Zhou , Kuang-Hong Gao , Meng-Fan Zhao , Zhi-Yan Jia , Xiao-Xia Hu , Qian-Jin Guo , Hai-Yan Du , Xiao-Ping Chen , Zhi-Qing Li

We study the thermoelectric transport properties of a three-dimensional massive relativistic fermion gas with screened Coulomb impurities in high magnetic fields where only the lowest Landau levels contribute to the transport. Our results…

Mesoscale and Nanoscale Physics · Physics 2019-11-06 Viktor Könye , Masao Ogata

Recently discovered Dirac and Weyl semimetals display unusual magnetoresistance phenomena, including a large, non-saturating, linear transverse magnetoresistance and a negative longitudinal magnetoresistance. The latter is often considered…

Mesoscale and Nanoscale Physics · Physics 2017-08-02 Timo Schumann , Manik Goyal , David A. Kealhofer , Susanne Stemmer

Zirconium pentatelluride ZrTe$_5$, a fascinating topological material platform, hosts exotic chiral fermions in its highly anisotropic three-dimensional Dirac band and holds great promise advancing the next-generation information…

Materials Science · Physics 2017-01-19 Hang Chi , Cheng Zhang , Genda Gu , Dmitri E. Kharzeev , Xi Dai , Qiang Li

We have investigated transport properties of CrO2 thin films deposited on TiO2 and sapphire substrates. The films are good metals down to low temperatures. The residual resistivity is of the order of 6 micro-ohhmcm for films deposited on…

Strongly Correlated Electrons · Physics 2015-06-15 M. S. Anwar , J. Aarts

Zirconium pentatelluride (ZrTe$_{5}$), a system with a Dirac linear band across the Fermi level and anomalous transport features, has attracted considerable research interest for it is predicted to be located at the boundary between strong…

Strongly Correlated Electrons · Physics 2023-11-07 Zijian Lin , Cuixiang Wang , Daqiang Chen , Sheng Meng , Youguo Shi , Jiandong Guo , Xuetao Zhu

This study investigates the giant magneto-thermal resistance (GMTR) effect in a fully-bcc epitaxial Co50Fe50/Cu multilayer through both experimental and theoretical approaches. The applied magnetic field results in a giant change of the…

We report on the longitudinal magnetoresistance (MR) in thin metal films on an Ising-type antiferromagnetic insulator, Na5Co15.5Te6O36 (NCTO). Steep changes in the MR spectra with hysteresis were observed at spin-flip transitions driven by…

Strongly Correlated Electrons · Physics 2026-05-04 Hirotsugu Tagami , Takuya Kawada , Yuki Shiomi

The Dirac-like surface states of the topological insulators (TIs) are protected by time reversal symmetry (TRS) and exhibit a host of novel properties. Introducing magnetism into TI, which breaks the TRS, is expected to create exotic…

We have investigated the magnetoresistive behavior of Dirac semi-metal Cd3As2 down to low temperatures and in high magnetic fields. A positive and linear magnetoresistance (LMR) as large as 3100% is observed in a magnetic field of 14 T, on…

Mesoscale and Nanoscale Physics · Physics 2015-08-26 Junya Feng , Yuan Pang , Desheng Wu , Zhijun Wang , Hongming Weng , Jianqi Li , Xi Dai , Zhong Fang , Youguo Shi , Li Lu

A 40-year-old puzzle in transition metal pentatellurides ZrTe$_5$ and HfTe$_5$ is the anomalous peak in the temperature dependence of the longitudinal resistivity, which is accompanied by sign reverses of the Hall and Seebeck coefficients.…

Materials Science · Physics 2021-03-31 Chenjie Wang

We study the low temperature conductivity of the electron accumulation layer induced by the very strong electric field at the surface of $\text{SrTiO}_3$ sample. Due to the strongly nonlinear lattice dielectric response, the…

Mesoscale and Nanoscale Physics · Physics 2016-07-21 Han Fu , K. V. Reich , B. I. Shklovskii

Magnetotransport measurements are a popular way of characterizing the electronic structure of topological materials and often the resulting datasets cannot be described by the well-known Drude model due to large, non-parabolic…

Mesoscale and Nanoscale Physics · Physics 2019-10-23 J. C. de Boer , D. P. Leusink , A. Brinkman

This study is devoted to the profound implications of tilted Dirac cones on the quantum transport properties of two-dimensional (2D) Dirac materials. These materials, characterized by their linear conic energy dispersions in the vicinity of…

Mesoscale and Nanoscale Physics · Physics 2024-10-30 Rasha Al-Marzoog , Ali Rezaei , Zahra Noorinejad , Mohsen Amini , Ebrahim Ghanbari-Adivi , S. A. Jafari

Magnetic materials exhibiting topological Dirac fermions are attracting significant attention for their promising technological potential in spintronics. In these systems, the combined effect of the spin-orbit coupling and magnetic order…

Transition metal dichalcogenides with nontrivial band structures exhibit various fascinating physical properties and have sparked intensively research interest. Here, we performed systematic magnetotransport measurements on mechanical…

Mesoscale and Nanoscale Physics · Physics 2022-05-04 Jie Wang , Yihao Wang , Min Wu , Junbo Li , Shaopeng Miao , Qingyi Hou , Yun Li , Jianhui Zhou , Xiangde Zhu , Yimin Xiong , Wei Ning , Mingliang Tian

All-solid-state nanoscale devices capable of efficiently controlling a heat flow are crucial for advanced thermal management technologies. Here we predict a magnon-driven magnetothermal resistance (mMTR) effect in multilayers of…

Mesoscale and Nanoscale Physics · Physics 2025-07-03 Ping Tang , Ken-ichi Uchida , Gerrit E. W. Bauer

Dirac metals are characterized by the linear dispersion of fermionic quasi-particles, with the Dirac point hidden inside a Fermi surface. We study the magnetotransport in these materials using chiral kinetic theory to describe within the…

Mesoscale and Nanoscale Physics · Physics 2015-10-14 Gustavo M. Monteiro , Alexander G. Abanov , Dmitri E. Kharzeev

Recent discovery of transport anomaly in graphene demonstrated that a system known to be weakly interacting may become strongly correlated if system parameter(s) can be tuned such that fermi surface is sufficiently small. We study the…

High Energy Physics - Theory · Physics 2017-11-22 Yunseok Seo , Geunho Song , Chanyong Park , Sang-Jin Sin

While the discovery of Dirac and Weyl type excitations in electronic systems is a major breakthrough in recent condensed matter physics, finding appropriate materials for fundamental physics and technological applications, is an…

Materials Science · Physics 2017-03-09 R. Singha , A. Pariari , B. Satpati , P. Mandal