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Title: Field-induced topological Hall effect and double-fan spin structure with a $$c$$-axis component in the metallic kagome antiferromagnetic compound YMn6Sn6

Abstract

Geometric frustration in the kagome lattice makes it a great host for the flat electronic band, nontrivial topological properties, and novel magnetism. In this work, we use magnetotransport measurements to map out the field-temperature phase diagram of the centrosymmetric YMn6Sn6 with a Mn kagome lattice and show that the system exhibits the topological Hall effect (THE) with an in-plane applied magnetic field around 240 K. In addition, our neutron diffraction results demonstrate that the observed THE cannot arise from a magnetic skyrmion lattice, but instead from an in-plane field-induced double-fan spin structure with c-axis components. This paper provides a platform to understand the influence of a field-induced novel magnetic structure on magnetoelectric response in topological kagome metals.

Authors:
 [1];  [2];  [2];  [1];  [3];  [3]; ORCiD logo [4]; ORCiD logo [2]; ORCiD logo [4];  [5]; ORCiD logo [1]; ORCiD logo [2]
  1. Renmin Univ. of China, Beijing (China)
  2. Rice Univ., Houston, TX (United States)
  3. Tokyo Inst. of Technology, Yokohama (Japan)
  4. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
  5. National Inst. of Standards and Technology (NIST), Gaithersburg, MD (United States)
Publication Date:
Research Org.:
Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States). Spallation Neutron Source (SNS) and High Flux Isotope Reactor (HFIR)
Sponsoring Org.:
Beijing Natural Science Foundation; National Key Research and Development Program of China; National Natural Science Foundation of China (NSFC); Fundamental Research Funds for the Central Universities; National Science Foundation (NSF); Robert A. Welch Foundation; USDOE Office of Science (SC); Ministry of Education, Culture, Sports, Science and Technology (MEXT)
OSTI Identifier:
1760092
Grant/Contract Number:  
AC05-00OR22725; Z200005; 2018YFE0202600; 2016YFA0300504; C-1839; JPMXP0112101001
Resource Type:
Accepted Manuscript
Journal Name:
Physical Review B
Additional Journal Information:
Journal Volume: 103; Journal Issue: 1; Journal ID: ISSN 2469-9950
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; 75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY

Citation Formats

Wang, Qi, Neubauer, Kelly J., Duan, Chunruo, Yin, Qiangwei, Fujitsu, Satoru, Hosono, Hideo, Ye, Feng, Zhang, Rui, Chi, Songxue, Krycka, Kathryn, Lei, Hechang, and Dai, Pengcheng. Field-induced topological Hall effect and double-fan spin structure with a $c$-axis component in the metallic kagome antiferromagnetic compound YMn6Sn6. United States: N. p., 2021. Web. doi:10.1103/physrevb.103.014416.
Wang, Qi, Neubauer, Kelly J., Duan, Chunruo, Yin, Qiangwei, Fujitsu, Satoru, Hosono, Hideo, Ye, Feng, Zhang, Rui, Chi, Songxue, Krycka, Kathryn, Lei, Hechang, & Dai, Pengcheng. Field-induced topological Hall effect and double-fan spin structure with a $c$-axis component in the metallic kagome antiferromagnetic compound YMn6Sn6. United States. https://doi.org/10.1103/physrevb.103.014416
Wang, Qi, Neubauer, Kelly J., Duan, Chunruo, Yin, Qiangwei, Fujitsu, Satoru, Hosono, Hideo, Ye, Feng, Zhang, Rui, Chi, Songxue, Krycka, Kathryn, Lei, Hechang, and Dai, Pengcheng. Tue . "Field-induced topological Hall effect and double-fan spin structure with a $c$-axis component in the metallic kagome antiferromagnetic compound YMn6Sn6". United States. https://doi.org/10.1103/physrevb.103.014416. https://www.osti.gov/servlets/purl/1760092.
@article{osti_1760092,
title = {Field-induced topological Hall effect and double-fan spin structure with a $c$-axis component in the metallic kagome antiferromagnetic compound YMn6Sn6},
author = {Wang, Qi and Neubauer, Kelly J. and Duan, Chunruo and Yin, Qiangwei and Fujitsu, Satoru and Hosono, Hideo and Ye, Feng and Zhang, Rui and Chi, Songxue and Krycka, Kathryn and Lei, Hechang and Dai, Pengcheng},
abstractNote = {Geometric frustration in the kagome lattice makes it a great host for the flat electronic band, nontrivial topological properties, and novel magnetism. In this work, we use magnetotransport measurements to map out the field-temperature phase diagram of the centrosymmetric YMn6Sn6 with a Mn kagome lattice and show that the system exhibits the topological Hall effect (THE) with an in-plane applied magnetic field around 240 K. In addition, our neutron diffraction results demonstrate that the observed THE cannot arise from a magnetic skyrmion lattice, but instead from an in-plane field-induced double-fan spin structure with c-axis components. This paper provides a platform to understand the influence of a field-induced novel magnetic structure on magnetoelectric response in topological kagome metals.},
doi = {10.1103/physrevb.103.014416},
journal = {Physical Review B},
number = 1,
volume = 103,
place = {United States},
year = {Tue Jan 12 00:00:00 EST 2021},
month = {Tue Jan 12 00:00:00 EST 2021}
}

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