Spin-orbit-splitting-driven nonlinear Hall effect in NbIrTe4

Ji-Eun Lee; Aifeng Wang; Shuzhang Chen; Minseong Kwon; Jinwoong Hwang; Minhyun Cho; Ki-Hoon Son; Dong-Soo Han; Jun Woo Choi; Young Duck Kim; Sung-Kwan Mo; Cedomir Petrovic; Choongyu Hwang; Se Young Park; Chaun Jang; Hyejin Ryu

doi:10.1038/s41467-024-47643-4

Spin-orbit-splitting-driven nonlinear Hall effect in NbIrTe₄

Nat Commun. 2024 May 10;15(1):3971. doi: 10.1038/s41467-024-47643-4.

Authors

Ji-Eun Lee^{1

2

3

4}, Aifeng Wang^{5

6}, Shuzhang Chen^{5

7}, Minseong Kwon^{2

8}, Jinwoong Hwang^{1

9}, Minhyun Cho⁸, Ki-Hoon Son², Dong-Soo Han², Jun Woo Choi², Young Duck Kim⁸, Sung-Kwan Mo¹, Cedomir Petrovic^{5

7

10}, Choongyu Hwang¹¹, Se Young Park^{12

13}, Chaun Jang¹⁴, Hyejin Ryu¹⁵

Affiliations

¹ Advanced Light Source, Lawrence Berkeley National Laboratory, Berkeley, CA, 94720, USA.
² Center for Spintronics, Korea Institute of Science and Technology (KIST), Seoul, 02792, South Korea.
³ Department of Physics, Pusan National University, Busan, 46241, South Korea.
⁴ Max Planck POSTECH Center for Complex Phase Materials, Pohang University of Science and Technology, Pohang, 37673, South Korea.
⁵ Condensed Matter Physics and Materials Science Department, Brookhaven National Laboratory, Upton, New York, 11973, US.
⁶ Low Temperature Physics Laboratory, College of Physics and Center of Quantum Materials and Devices, Chongqing University, Chongqing, 400044, China.
⁷ Department of Physics and Astronomy, Stony Brook University, Stony Brook, New York, 11794-3800, USA.
⁸ Department of Physics and Department of Information Display, Kyung Hee University, Seoul, 02447, South Korea.
⁹ Department of Physics and Institute of Quantum Convergence Technology, Kangwon National University, Chuncheon, 24341, South Korea.
¹⁰ Shanghai Advanced Research in Physical Sciences, Shanghai, 201203, China.
¹¹ Department of Physics, Pusan National University, Busan, 46241, South Korea. ckhwang@pusan.ac.kr.
¹² Department of Physics and Origin of Matter and Evolution of Galaxies (OMEG) Institute, Soongsil University, Seoul, 06978, South Korea. sp2829@ssu.ac.kr.
¹³ Integrative Institute of Basic Sciences, Soongsil University, Seoul, 06978, South Korea. sp2829@ssu.ac.kr.
¹⁴ Center for Spintronics, Korea Institute of Science and Technology (KIST), Seoul, 02792, South Korea. cujang@kist.re.kr.
¹⁵ Center for Spintronics, Korea Institute of Science and Technology (KIST), Seoul, 02792, South Korea. hryu@kist.re.kr.

Abstract

The Berry curvature dipole (BCD) serves as a one of the fundamental contributors to emergence of the nonlinear Hall effect (NLHE). Despite intense interest due to its potential for new technologies reaching beyond the quantum efficiency limit, the interplay between BCD and NLHE has been barely understood yet in the absence of a systematic study on the electronic band structure. Here, we report NLHE realized in NbIrTe₄ that persists above room temperature coupled with a sign change in the Hall conductivity at 150 K. First-principles calculations combined with angle-resolved photoemission spectroscopy (ARPES) measurements show that BCD tuned by the partial occupancy of spin-orbit split bands via temperature is responsible for the temperature-dependent NLHE. Our findings highlight the correlation between BCD and the electronic band structure, providing a viable route to create and engineer the non-trivial Hall effect by tuning the geometric properties of quasiparticles in transition-metal chalcogen compounds.

Abstract

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