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Fermi Surface Structure Revealed by Quantum Oscillations in Half‐Heusler Semimetal LuAuSn

Year: 2026
Type: article
Abstract: ABSTRACT The Fermi surface structure in the half‐Heusler semimetallic compound LuAuSn was systematically investigated using quantum oscillation studies of high‐quality single crystals and first‐principles calculations. Clear bulk quantum oscillation signals were observed for multiple complementary physical properties, including magnetization, Hall resistance, and dynamic magnetostrictive coefficient. Quantum oscillations measured in a strong magnetic field (up to 35 T) confirmed the existence of four hole pockets and two electron pockets. Furthermore, spin splitting caused by spin–orbit coupling was discovered in the hole pockets. Our findings revealed the detailed topology of the Fermi surface in LuAuSn, which may help improve understanding of the electronic transport in this and related half‐Heusler materials.
Source: Rare Metals
DOI: 10.1002/rar2.70109
Authors: Yue Lu, Long Zhang, Jie Chen, Feng Zhou, Jie Du, Orest Pavlosiuk, Piotr Wiśniewski, Dariusz Kaczorowski, Yuan Yao, Xuekui Xi, Yongchang Lau, Yisheng Chai, Wenhong Wang
Institutions: Tiangong University, Chinese Academy of Sciences, Institute of Physics, Chongqing University, Włodzimierz Trzebiatowski Institute of Low Temperature and Structure Research, Polish Academy of Sciences, University of Chinese Academy of Sciences
Language: English
Open Access status: hybrid
Estimated APC paid: $3,190
OpenAlex ID: W7119195566
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Cites: 29
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