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Anomalous Hall effect in Dirac semimetal probed by in-plane magnetic field

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arxiv 2503.04195 v1 pith:KWFYC4XQ submitted 2025-03-06 cond-mat.mtrl-sci cond-mat.str-el

Shinichi Nishihaya , Hiroaki Ishizuka , Yuki Deguchi , Ayano Nakamura , Tadashi Yoneda , Hsiang Lee , Markus Kriener , Masaki Uchida This is my paper · ORCID
classification cond-mat.mtrl-scicond-mat.str-el
keywords fieldhallmagneticnon-magneticsystemsanomalousdiraceffect
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abstract

Intrinsic anomalous Hall effect (AHE) formulated by geometric properties of Bloch wavefunctions is a ubiquitous transport phenomenon not limited to magnetic systems but also allowed in non-magnetic ones under an external field breaking time-reversal symmetry. On the other hand, detection of field-induced AHE is practically challenging because the band modulation through the Zeeman and spin-orbit couplings is typically small compared to other contributions as induced by the Lorentz force. Here, we demonstrate on Dirac semimetal Cd$_3$As$_2$ films that the field-induced AHE in non-magnetic systems can be quantitatively probed by applying and rotating the magnetic field within the Hall deflection plane. Measurements on the Cd$_3$As$_2$ (112) plane reveal that AHE emerges as a clear three-fold symmetric component for the in-plane field rotation. This intrinsic response becomes more pronounced in ultralow-electron-density films where significant variations in the geometric properties are expected under the magnetic field. Our findings open new opportunities in the research of Hall responses manifested as orbital magnetization in non-magnetic systems.

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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Quantum Geometric Renormalization of the Hall Coefficient and Unconventional Hall Resistivity in ZrTe5

    cond-mat.mes-hall 2025-08 unverdicted novelty 5.0 of 10

    In ZrTe5, quantum geometric effects plus disorder are predicted to renormalize the Hall coefficient and drive Hall resistivity from B to 1/B dependence as the magnetic field increases.

  2. Magneto-cubic and magneto-linear dependence observed in an in-plane anomalous Hall magnet

    cond-mat.str-el 2025-07 conditional novelty 5.0 of 10

    In-plane anomalous Hall resistivity in EuCd2Sb2 shows B cubed behavior around zero field in paramagnetic and antiferromagnetic phases and B linear behavior at high fields in the forced ferromagnetic phase.

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