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Title: Band dependence of charge density wave in quasi-one-dimensional Ta2NiSe7 probed by orbital magnetoresistance

Abstract

Ta2NiSe7 is a quasi-one-dimensional (quasi-1D) transition-metal chalcogenide with Ta and Ni chain structures. An incommensurate charge-density wave (CDW) in this quasi-1D structure was well studied previously using tunnelling spectrum, X-ray, and electron diffraction, whereas its transport property and the relation to the underlying electronic states remain to be explored. Here, we report our results of the magnetoresistance (MR) on Ta2NiSe7. A breakdown of Kohler's rule is found upon entering the CDW state. Concomitantly, a clear change in curvature in the field dependence of MR is observed. We show that the curvature change is well described by the two-band orbital MR, with the hole density being strongly suppressed in the CDW state, indicating that the p orbitals from Se atoms dominate the change in transport through CDW transition.

Authors:
 [1];  [1]; ORCiD logo [1];  [1]; ORCiD logo [2];  [1];  [1];  [1];  [1];  [2];  [3]
  1. Shanghai Jiao Tong Univ. (China)
  2. Tulane Univ., New Orleans, LA (United States)
  3. Shanghai Jiao Tong Univ. (China); Pennsylvania State Univ., University Park, PA (United States); Collaborative Innovation Center of Advanced Microstructures, Nanjing (China)
Publication Date:
Research Org.:
Louisiana State Univ., Baton Rouge, LA (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
OSTI Identifier:
1473866
Alternate Identifier(s):
OSTI ID: 1373622
Grant/Contract Number:  
SC0012432
Resource Type:
Journal Article: Accepted Manuscript
Journal Name:
Applied Physics Letters
Additional Journal Information:
Journal Volume: 111; Journal Issue: 5; Journal ID: ISSN 0003-6951
Publisher:
American Institute of Physics (AIP)
Country of Publication:
United States
Language:
English
Subject:
71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS

Citation Formats

He, Jiaming, Zhang, Yiran, Wen, Libin, Yang, Yusen, Liu, Jinyu, Wu, Yueshen, Lian, Hailong, Xing, Hui, Wang, Shun, Mao, Zhiqiang, and Liu, Ying. Band dependence of charge density wave in quasi-one-dimensional Ta2NiSe7 probed by orbital magnetoresistance. United States: N. p., 2017. Web. doi:10.1063/1.4990801.
He, Jiaming, Zhang, Yiran, Wen, Libin, Yang, Yusen, Liu, Jinyu, Wu, Yueshen, Lian, Hailong, Xing, Hui, Wang, Shun, Mao, Zhiqiang, & Liu, Ying. Band dependence of charge density wave in quasi-one-dimensional Ta2NiSe7 probed by orbital magnetoresistance. United States. https://doi.org/10.1063/1.4990801
He, Jiaming, Zhang, Yiran, Wen, Libin, Yang, Yusen, Liu, Jinyu, Wu, Yueshen, Lian, Hailong, Xing, Hui, Wang, Shun, Mao, Zhiqiang, and Liu, Ying. 2017. "Band dependence of charge density wave in quasi-one-dimensional Ta2NiSe7 probed by orbital magnetoresistance". United States. https://doi.org/10.1063/1.4990801. https://www.osti.gov/servlets/purl/1473866.
@article{osti_1473866,
title = {Band dependence of charge density wave in quasi-one-dimensional Ta2NiSe7 probed by orbital magnetoresistance},
author = {He, Jiaming and Zhang, Yiran and Wen, Libin and Yang, Yusen and Liu, Jinyu and Wu, Yueshen and Lian, Hailong and Xing, Hui and Wang, Shun and Mao, Zhiqiang and Liu, Ying},
abstractNote = {Ta2NiSe7 is a quasi-one-dimensional (quasi-1D) transition-metal chalcogenide with Ta and Ni chain structures. An incommensurate charge-density wave (CDW) in this quasi-1D structure was well studied previously using tunnelling spectrum, X-ray, and electron diffraction, whereas its transport property and the relation to the underlying electronic states remain to be explored. Here, we report our results of the magnetoresistance (MR) on Ta2NiSe7. A breakdown of Kohler's rule is found upon entering the CDW state. Concomitantly, a clear change in curvature in the field dependence of MR is observed. We show that the curvature change is well described by the two-band orbital MR, with the hole density being strongly suppressed in the CDW state, indicating that the p orbitals from Se atoms dominate the change in transport through CDW transition.},
doi = {10.1063/1.4990801},
url = {https://www.osti.gov/biblio/1473866}, journal = {Applied Physics Letters},
issn = {0003-6951},
number = 5,
volume = 111,
place = {United States},
year = {Wed Aug 02 00:00:00 EDT 2017},
month = {Wed Aug 02 00:00:00 EDT 2017}
}

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Cited by: 4 works
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Works referenced in this record:

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