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题名

Anomalous magnetothermoelectric behavior in massive Dirac materials

作者
发表日期
2023-02-15
DOI
发表期刊
ISSN
2469-9950
EISSN
2469-9969
卷号107期号:8
摘要
Extensive studies of electron transport in Dirac materials have shown positive magnetoresistance (MR) and positive magnetothermopower (MTP) in a magnetic field perpendicular to the excitation current or thermal gradient. In contrast, measurements of electron transport often show a negative longitudinal MR and negative MTP for a magnetic field oriented along the excitation current or thermal gradient; this is attributed to the chiral anomaly in Dirac materials. Here, we report a very different magnetothermoelectric transport behavior in the massive Dirac material ZrTe5. Although thin flakes show a commonly observed positive MR in a perpendicular magnetic field, distinct from other Dirac materials, we observe a sharp negative MTP. In a parallel magnetic field, we still observe a negative longitudinal MR, however, a remarkable positive MTP is observed for the fields parallel to the thermal gradients. Our theoretical calculations suggest that this anomalous magnetothermoelectric behavior can be attributed to the screened Coulomb scattering. This work demonstrates the significance of impurity scattering in the electron transport of topological materials and provides deep insight into the magnetotransport phenomena in Dirac materials.
© 2023 American Physical Society.
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EI ; SCI
语种
英语
学校署名
其他
资助项目
We thank X. Qiang and C. Xi for helpful discussions. J.W. acknowledges the National Key R&D Program of China (Grant No. 2018YFA0305604), Beijing Natural Science Foundation (Grant No. Z180010), the National Natural Science Foundation of China (Grant No. 11888101), the Innovation Program for Quantum Science and Technology (Grant No. 2021ZD0302400), and the Strategic Priority Research Program of Chinese Academy of Sciences (Grant No. XDB28000000). X.W. acknowledges the support from the National Key Basic Research R&D Program of China (Grant No. 2020YFA0308800) and the National Natural Science Foundation of China (Grants No. 11774009 and No. 12074009). H.L. acknowledges the National Natural Science Foundation of China (Grant No. 11925402), Guangdong province (Grants No. 2016ZT06D348 and No. 2020KCXTD001), Shenzhen High-level Special Fund (Grants No. G02206304 and G02206404), and the Science, Technology and Innovation Commission of Shenzhen Municipality (Grants No. ZDSYS20170303165926217, No. JCYJ20170412152620376, and No. KYTDPT20181011104202253), and Center for Computational Science and Engineering of SUSTech. H.W. acknowledges the National Natural Science Foundation of China (Grants No. 21BAA01133, No. 12004441, and No. 92165204), the Hundreds of Talents program of Sun Yat-sen University and the Fundamental Research Funds for the Central Universities (Grant No. 202lqntd27). C.W. acknowledges the National Natural Science Foundation of China (Grant No. 11974249) and the Natural Science Foundation of Shanghai (Grant No. 19ZR1437300). J.Y. and D.M. acknowledge the U.S. Department of Energy, Office of Science, Basic Energy Sciences, Materials Sciences and Engineering Division. J.D. acknowledges the support from Guangdong-Hong Kong-Macao Joint Laboratory for Photonic-Thermal-Electrical Energy Materials and Devices (GDSTC No. 2019B121205001).
WOS研究方向
Materials Science ; Physics
WOS类目
Materials Science, Multidisciplinary ; Physics, Applied ; Physics, Condensed Matter
WOS记录号
WOS:000951256800002
出版者
EI入藏号
20231113702373
EI主题词
Electron transport properties ; Impurities ; Magnetic fields
EI分类号
Thermodynamics:641.1 ; Magnetism: Basic Concepts and Phenomena:701.2 ; Materials Science:951
ESI学科分类
PHYSICS
来源库
EV Compendex
引用统计
被引频次[WOS]:3
成果类型期刊论文
条目标识符http://sustech.caswiz.com/handle/2SGJ60CL/519731
专题理学院_物理系
量子科学与工程研究院
工学院_材料科学与工程系
作者单位
1.International Center for Quantum Materials, School of Physics, Peking University, Beijing; 100871, China
2.Department of Physics, Pennsylvania State University, University Park; PA; 16802, United States
3.School of Physics, Sun Yat-sen University, Guangzhou; 510275, China
4.State Key Laboratory for Artificial Microstructure and Mesoscopic Physics, Peking University, Beijing; 100871, China
5.Center for Nanochemistry, Beijing Science and Engineering Center for Nanocarbons, Beijing National Laboratory for Molecular Sciences, College of Chemistry and Molecular Engineering, Peking University, Beijing; 100871, China
6.Department of Physics, Shanghai Normal University, Shanghai; 200234, China
7.Institute for Quantum Science and Engineering, Department of Physics, Southern University of Science and Technology, Shenzhen; 518055, China
8.High Magnetic Field Laboratory, Chinese Academy of Sciences, Anhui, Hefei; 230031, China
9.Department of Applied Physics, Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong
10.Materials Science and Technology Division, Oak Ridge National Laboratory, Oak Ridge; TN; 37831, United States
11.Department of Materials Science and Engineering, University of Tennessee, Knoxville; TN; 37996, United States
12.Shenzhen Key Laboratory of Quantum Science and Engineering, Shenzhen; 518055, China
13.Beijing Key Laboratory of Quantum Devices, Peking University, Beijing; 100871, China
14.Collaborative Innovation Center of Quantum Matter, Beijing; 100871, China
15.CAS Center for Excellence in Topological Quantum Computation, University of Chinese Academy of Sciences, Beijing; 100190, China
16.Beijing Academy of Quantum Information Sciences, Beijing; 100193, China
17.Hefei National Laboratory, Hefei; 230088, China
推荐引用方式
GB/T 7714
Li, Yanan,Wang, Huichao,Wang, Jingyue,et al. Anomalous magnetothermoelectric behavior in massive Dirac materials[J]. Physical Review B,2023,107(8).
APA
Li, Yanan.,Wang, Huichao.,Wang, Jingyue.,Wang, Chunming.,Liu, Yanzhao.,...&Wang, Jian.(2023).Anomalous magnetothermoelectric behavior in massive Dirac materials.Physical Review B,107(8).
MLA
Li, Yanan,et al."Anomalous magnetothermoelectric behavior in massive Dirac materials".Physical Review B 107.8(2023).
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