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Related papers: Planar Hall effect in the Dirac semimetal PdTe2

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We report experimental observation of the Planar Hall effect (PHE) in a type-II Dirac semimetal PtTe$_2$. This unusual Hall effect is not expected in nonmagnetc materials such as PtTe$_2$, and has been observed previously mostly in magnetic…

Mesoscale and Nanoscale Physics · Physics 2018-12-18 Amit Vashist , R. K. Singh , Neha Wadehra , S. Chakraverty , Yogesh Singh

We present the Planar Hall effect studies on the Cu intercalated type-II Dirac semimetal PdTe$_{2}$. The electrical resistivity exhibits a positive field dependence both in perpendicular and parallel field directions, causing non-zero…

Strongly Correlated Electrons · Physics 2024-06-19 Sonika , M. K. Hooda , Shailja Sharma , C. S. Yadav

Dirac and Weyl semimetals are new discovered topological nontrivial materials with the linear band dispersions around the Dirac/Weyl points. When applying non-orthogonal electric current and magnetic field, an exotic phenomenon called…

Mesoscale and Nanoscale Physics · Physics 2019-04-17 Qianqian Liu , Bo Chen , Boyuan Wei , Shuai Zhang , Minhao Zhang , Faji Xie , Muhammad Naveed , Fucong Fei , Baigen Wang , Fengqi Song

Recently, giant planar Hall effect originating from chiral anomaly has been predicted in nonmagnetic Dirac/Weyl semimetals. ZrTe5 is considered to be an intriguing Dirac semimetal at the boundary of weak topological insulators and strong…

Mesoscale and Nanoscale Physics · Physics 2018-10-03 Peng Li , Chenhui Zhang , Junwei Zhang , Yan Wen , Xi-xiang Zhang

Platinum ditelluride has recently been characterized, based on angle-resolved photoemission spectroscopy data and electronic band structure calculations, as a possible representative of type-II Dirac semimetals. Here, we report on the…

Materials Science · Physics 2018-08-01 Orest Pavlosiuk , Dariusz Kaczorowski

The Planar Hall effect (PHE) in topological materials has been a subject of great interest in recent years. Generally, it is understood to originate from the chiral-anomaly (CA) induced charge pumping between doubly degenerate Weyl nodes.…

Strongly Correlated Electrons · Physics 2024-01-12 Sonika , Sunil Gagwar , Nikhlesh Singh Mehta , G. Sharma , C. S. Yadav

We report on a magneto-transport and quantum oscillations study on high quality single crystals of the transition metal di-tellurides PtTe$_2$ and PdTe$_2$. The de Haas-van Alphen (dHvA) oscillations in the magnetization measurements on…

Materials Science · Physics 2018-11-21 Amit , R. K. Singh , Neha Wadhera , S. Chakraverty , Yogesh Singh

The study of electronic properties in topological systems is one of the most fascinating topics in condensed matter physics, which has generated enormous interests in recent times. New materials are frequently being proposed and…

Materials Science · Physics 2018-08-22 Ratnadwip Singha , Shubhankar Roy , Arnab Pariari , Biswarup Satpati , Prabhat Mandal

Here we report the evidence of the type II Dirac Fermion in the layered crystal PdTe2. The de Haas-van Alphen oscillations find a small Fermi pocket with a cross section of 0.077nm-2 with a nontrivial Berry phase. First-principal…

Mesoscale and Nanoscale Physics · Physics 2017-07-12 Fucong Fei , Xiangyan Bo , Rui Wang , Bin Wu , Juan Jiang , Dongzhi Fu , Ming Gao , Hao Zheng , Yulin Chen , Fengqi Song , Xiangang Wan , Baigeng Wang , Xuefeng Wang , Guanghou Wang

Anisotropic magnetoresistance is the change tendency of resistance of a material on the mutual orientation of the electric current and the external magnetic field. Here, we report experimental observations in the Dirac semimetal Cd3As2 of…

Mesoscale and Nanoscale Physics · Physics 2018-05-23 Hui Li , Huanwen Wang , Hongtao He , Jiannong Wang , Shun-Qing Shen

Adler-Bell-Jackiw chiral anomaly is a representative feature arising from the topological nature in topological semimetal. We report the first experimental observation of giant planar Hall effect in type-II Weyl semimetal WTe2. Our…

Materials Science · Physics 2018-01-23 Y. J. Wang , J. X. Gong , D. D. Liang , M. Ge , J. R. Wang , W. K. Zhu , C. J. Zhang

We present a detailed quantum oscillatory study on the Dirac type-II semimetallic candidates PdTe$_{2}$ and PtTe$_{2}$ \emph{via} the temperature and the angular dependence of the de Haas-van Alphen (dHvA) and Shubnikov-de Haas (SdH)…

In this work, we reported the observation of a novel planar topological Hall effect (PTHE) in single crystal of Fe3GeTe2, a paradigmatic two-dimensional ferromagnet with strong uniaxial anisotropy. The Hall effect and magnetoresistance…

Materials Science · Physics 2019-11-06 Yurong You , Yuanyuan Gong , Hang Li , Zefang Li , Mengmei Zhu , Jiaxuan Tang , Enke Liu , Yuan Yao , Guizhou Xu , Feng Xu , Wenhong Wang

Besides the negative longitudinal magnetoresistance (MR), planar Hall effect (PHE) is a newly emerging experimental tool to test the chiral anomaly or nontrivial Berry curvature in Weyl semimetals (WSMs). However, the origins of PHE in…

Materials Science · Physics 2019-05-20 D. D. Liang , Y. J. Wang , W. L. Zhen , J. Yang , S. R. Weng , X. Yan , Y. Y. Han , W. Tong , L. Pi , W. K. Zhu , C. J. Zhang

Recently, PdTe has been identified as a Dirac semimetal with potential for unconventional superconductivity based on ARPES measurements. This study presents electrical transport and magnetization measurements conducted on high-quality…

Superconductivity · Physics 2024-08-14 Amit Vashist , Bibek Ranjan Satapathy , Harsha Silotia , Yogesh Singh , S. Chakraverty

Searching for exotic transport properties in new topological state of matters is an active topic. One of the most fascinating achievements is the chiral anomaly in recently discovered Weyl semimetals (WSMs), which is manifested as a…

Mesoscale and Nanoscale Physics · Physics 2018-10-17 Min Wu , Guolin Zheng , Weiwei Chu , Wenshuai Gao , Hongwei Zhang , Jianwei Lu , Yuyan Han , Jiyong Yang , Haifeng Du , Wei Ning , Yuheng Zhang , Mingliang Tian

In a recent experiment on the interlayer magnetoresistance in the quasi-two-dimensional organic salt, $\alpha$-(BEDT-TTF)$_2$I$_3$, it has been observed that at low temperatures, interlayer tunneling attains phase coherence, leading to the…

Strongly Correlated Electrons · Physics 2023-11-21 Yuki Nakamura , Takao Morinari

We report detailed magneto-transport measurements on single crystals of the magnetic Weyl semi-metal Co$_{3}$Sn$_{2}$S$_{2}$. Recently a large anomalous Hall effect and chiral anomaly have been observed in this material which have been…

Strongly Correlated Electrons · Physics 2019-07-09 Shama , R. K. Gopal , Yogesh Singh

The planar Hall effect (PHE) is the appearance of an in-plane transverse voltage in the presence of coplanar electric and magnetic fields. Its hallmark is a characteristic $\pi$-periodic, i.e. even under a magnetic field reversal, angular…

Mesoscale and Nanoscale Physics · Physics 2021-01-27 Raffaele Battilomo , Niccoló Scopigno , Carmine Ortix

We experimentally investigate third-order nonlinear Hall effect for three-dimensional NiTe$_2$ single crystal samples. NiTe$_2$ is the recently discovered type-II Dirac semimetal, so both the inversion and the time-reversal symmetries are…

Mesoscale and Nanoscale Physics · Physics 2025-06-27 V. D. Esin , A. V. Timonina , N. N. Kolesnikov , E. V. Deviatov
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