首页|Anomalous Hall effect and electronic correlation in a spin-reoriented kagome antiferromagnet LuFe6Sn6

Anomalous Hall effect and electronic correlation in a spin-reoriented kagome antiferromagnet LuFe6Sn6

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The kagome lattice system has been identified as a fertile ground for the emergence of a number of new quantum states,including superconductivity,quantum spin liquids,and topological electronic states.This has attracted significant interest within the field of condensed matter physics.Here,we present the observation of an anomalous Hall effect in an iron-based kagome antiferromagnet LuFe6Sn6,which implies a non-zero Berry curvature in this compound.By means of extensive magnetic measurements,a high Neel temperature,TN=552 K,and a spin reorientation behavior were identified and a simple temperature-field phase diagram was constructed.Furthermore,this compound was found to exhibit a large Sommerfeld coefficient of γ=87 mJ·mol-1·K-2,suggesting the presence of a strong electronic correlation effect.Our research indicates that LuFe6Sn6 is an intriguing compound that may exhibit magnetism,strong correlation,and topological states.

kagome latticeanomalous Hall effectmagnetismelectronic correlation

吕孟、刘洋、张伸、刘俊艳、杨金颖、王一博、冯乙婷、董学斌、王彬彬、魏红祥、刘恩克

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Beijing National Laboratory for Condensed Matter Physics,Institute of Physics,Chinese Academy of Sciences,Beijing 100190,China

University of Chinese Academy of Sciences,Beijing 100049,China

Ningbo Institute of Materials Technology & Engineering,Chinese Academy of Sciences,Ningbo 315201,China

National Key Research and Development Program of ChinaNational Key Research and Development Program of ChinaNational Key Research and Development Program of ChinaFundamental Science Center of the National Natural Science Foundation of ChinaNational Natural Science Foundation of ChinaNational Natural Science Foundation of ChinaStrategic Priority Research Program(B)of the Chinese Academy of Sciences(CAS)CAS Project for Young Scientists in Basic ResearchSynergetic Extreme Condition User Facility(Grant No.SECUF)Scientific Instrument Developing Project of CAS

2022YFA14034002019YFA07049002022YFA1403800520881011197439412174426XDB33000000YSBR-057ZDKYYQ20210003

2024

10.1088/1674-1056/ad6f93

中国物理B(英文版)
中国物理学会和中国科学院物理研究所

中国物理B(英文版)

CSTPCDEI
影响因子：0.995
ISSN：1674-1056
年,卷(期)：2024.33(10)