Large magnetoresistance and nontrivial Fermi surface topology in quasi-one-dimensional Ta2PdSe6

被引：0
|
作者：
Wang, Yuanyuan [1 ]
Chen, Zheng [1 ]
Tu, Wenqian [2 ]
Zhu, Xiangde [1 ]
Lu, Wenjian [3 ]
Ning, Wei [1 ]
Tian, Mingliang [1 ,4 ]
机构：
[1] Chinese Acad Sci, Anhui Key Lab Low Energy Quantum Mat & Devices, High Magnet Field Lab, HFIPS, Hefei 230031, Anhui, Peoples R China
[2] Univ Sci & Technol China, Dept Phys, Hefei 230026, Anhui, Peoples R China
[3] Chinese Acad Sci, Key Lab Mat Phys, Inst Solid State Phys, HFIPS, Hefei 230031, Peoples R China
[4] Anhui Univ, Sch Phys & Optoelect Engn, Hefei 230601, Peoples R China
来源：
APPLIED PHYSICS LETTERS | 2024年 / 124卷 / 20期
关键词：
DIRAC SEMIMETAL; DISCOVERY;
D O I：
10.1063/5.0202937
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
We report the experimental investigation of quasi-one-dimensional (quasi-1D) Ta2PdSe6 single crystals by magnetotransport measurements under high magnetic fields up to 31 T. The crystals show large unsaturated magnetoresistance up to (1.8 x 10(5)%) under 31 T at 1.6 K, accompanied by remarkable resistivity oscillations. The analysis of quantum oscillations reveals the existence of five Fermi pockets, consistent with theoretical calculations. Furthermore, our investigation suggested that band structure is modified by the electron correlations in Ta2PdSe6, which may provide a platform for exploring the interplay between electron effects and topological properties in quasi-1D materials.
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页数：6
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