Quantum metric nonlinear Hall effect in a topological antiferromagnetic heterostructure-Reference-Cited by-全球学者库

Quantum metric nonlinear Hall effect in a topological antiferromagnetic heterostructure

Published:2023-07-14 Issue:6654 Volume:381 Page:181-186
ISSN:0036-8075
Container-title:Science
language:en
Short-container-title:Science

Author:

Gao Anyuan¹^ORCID,Liu Yu-Fei¹²,Qiu Jian-Xiang¹^ORCID,Ghosh Barun³,V. Trevisan Thaís⁴⁵,Onishi Yugo⁶^ORCID,Hu Chaowei⁷^ORCID,Qian Tiema⁷,Tien Hung-Ju⁸^ORCID,Chen Shao-Wen²^ORCID,Huang Mengqi⁹^ORCID,Bérubé Damien¹^ORCID,Li Houchen¹,Tzschaschel Christian¹^ORCID,Dinh Thao¹²,Sun Zhe¹¹⁰,Ho Sheng-Chin¹,Lien Shang-Wei⁸,Singh Bahadur¹¹^ORCID,Watanabe Kenji¹²^ORCID,Taniguchi Takashi¹²^ORCID,Bell David C.¹³¹⁴^ORCID,Lin Hsin¹⁵^ORCID,Chang Tay-Rong⁸¹⁶¹⁷^ORCID,Du Chunhui Rita⁹^ORCID,Bansil Arun³^ORCID,Fu Liang⁶^ORCID,Ni Ni⁷^ORCID,Orth Peter P.⁴⁵^ORCID,Ma Qiong¹⁰¹⁸^ORCID,Xu Su-Yang¹^ORCID

Affiliation:

1. Department of Chemistry and Chemical Biology, Harvard University, Cambridge, MA 02138, USA.

2. Department of Physics, Harvard University, Cambridge, MA 02138, USA.

3. Department of Physics, Northeastern University, Boston, MA 02115, USA.

4. Department of Physics and Astronomy, Iowa State University, Ames, IA 50011, USA.

5. Ames National Laboratory, Ames, IA 50011, USA.

6. Department of Physics, Massachusetts Institute of Technology, Cambridge, MA 02139, USA.

7. Department of Physics and Astronomy and California NanoSystems Institute, University of California, Los Angeles, Los Angeles, CA 90095, USA.

8. Department of Physics, National Cheng Kung University, Tainan 701, Taiwan.

9. Department of Physics, University of California San Diego, La Jolla, CA, 92093, USA.

10. Department of Physics, Boston College, Chestnut Hill, MA, USA.

11. Department of Condensed Matter Physics and Materials Science, Tata Institute of Fundamental Research, Colaba, Mumbai, India.

12. International Center for Materials Nanoarchitectonics, National Institute for Materials Science, 1-1 Namiki, Tsukuba 305-0044, Japan.

13. Harvard John A. Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, MA 02138, USA.

14. Center for Nanoscale Systems, Harvard University, Cambridge, MA 02138, USA.

15. Institute of Physics, Academia Sinica, Taipei 11529, Taiwan.

16. Center for Quantum Frontiers of Research and Technology (QFort), Tainan 701, Taiwan.

17. Physics Division National Center for Theoretical Sciences, Taipei 10617, Taiwan.

18. Canadian Institute for Advanced Research, Toronto, Canada.

Abstract

Quantum geometry in condensed-matter physics has two components: the real part quantum metric and the imaginary part Berry curvature. Whereas the effects of Berry curvature have been observed through phenomena such as the quantum Hall effect in two-dimensional electron gases and the anomalous Hall effect (AHE) in ferromagnets, the quantum metric has rarely been explored. Here, we report a nonlinear Hall effect induced by the quantum metric dipole by interfacing even-layered MnBi 2 Te 4 with black phosphorus. The quantum metric nonlinear Hall effect switches direction upon reversing the antiferromagnetic (AFM) spins and exhibits distinct scaling that is independent of the scattering time. Our results open the door to discovering quantum metric responses predicted theoretically and pave the way for applications that bridge nonlinear electronics with AFM spintronics.

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

Link

https://www.science.org/doi/pdf/10.1126/science.adf1506

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