| CONDENSED MATTER: ELECTRONIC STRUCTURE, ELECTRICAL, MAGNETIC, AND OPTICAL PROPERTIES |
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Quantum oscillations and nontrivial topology in unfilled skutterudite IrSb3 |
| Yang Yang(杨扬)1,2, Xinyao Li(李鑫垚)1,2, Feihong Guan(关飞鸿)1,2, Majeed Ur Rehman3,†, Wei Ning(宁伟)2,‡, Xiangde Zhu(朱相德)2,§, and Mingliang Tian(田明亮)1,4 |
1 Anhui Key Laboratory of Low-Energy Quantum Materials and Devices, High Magnetic Field Laboratory, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei 230031, China;
2 Department of Physics, University of Science and Technology of China, Hefei 230031, China;
3 Songshan Lake Materials Laboratory, Dongguan 523808, China;
4 School of Physics and Optoelectronic Engineering, Anhui University, Hefei 230601, China |
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Abstract The unfilled skutterudite family has recently gained attention as a potential platform for hosting Dirac states. In this study, we systematically investigate the transport properties of IrSb$_{3}$ single crystals. Magnetoresistance measurements exhibit prominent Shubnikov-de Haas oscillations and negative magnetoresistance at low temperatures. Quantum oscillation analysis extracts a nontrivial Berry phase and confirms a three-dimensional Fermi surface. Additionally, density functional theory calculations indicate the presence of nontrivial topological bands and surface states, suggesting that IrSb$_{3}$ is a topological semimetal. These findings contribute to the growing family of topological materials and provide a platform for further exploration of quantum transport phenomena.
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Received: 07 February 2025
Revised: 24 March 2025
Accepted manuscript online: 02 April 2025
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PACS:
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71.55.Ak
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(Metals, semimetals, and alloys)
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71.18.+y
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(Fermi surface: calculations and measurements; effective mass, g factor)
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52.70.Ds
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(Electric and magnetic measurements)
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| Fund: Project supported by the National Natural Science Foundation of China (Grant Nos. 12474052, U2032214, and 11904002), the HFIPS Director’s Fund (Grant No. YZJJQY202304), the Youth Innovation Promotion Association of CAS (Grant No. 2021117), and Anhui Provincial Major S&T Project (Grant No. s202305a12020005). A portion of this work was supported by the Basic Research Program of the Chinese Academy of Sciences Based on Major Scientific Infrastructures (Grant No. JZHKYPT-2021-08), the High Magnetic Field Laboratory of Anhui Province under Contract No. AHHM-FX-2020-02. |
Corresponding Authors:
Majeed Ur Rehman, Wei Ning, Xiangde Zhu
E-mail: majeed@mail.ustc.edu.cn;ningwei@hmfl.ac.cn;xdzhu@hmfl.ac.cn
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Cite this article:
Yang Yang(杨扬), Xinyao Li(李鑫垚), Feihong Guan(关飞鸿), Majeed Ur Rehman, Wei Ning(宁伟), Xiangde Zhu(朱相德), and Mingliang Tian(田明亮) Quantum oscillations and nontrivial topology in unfilled skutterudite IrSb3 2025 Chin. Phys. B 34 067103
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