Quantum Hall states observed in thin films of Dirac semimetal Cd3As2

Masaki Uchida; Yusuke Nakazawa; Shinichi Nishihaya; Kazuto Akiba; Markus Kriener; Yusuke Kozuka; Atsushi Miyake; Yasujiro Taguchi; Masashi Tokunaga; Naoto Nagaosa; Yoshinori Tokura; Masashi Kawasaki

doi:10.1038/s41467-017-02423-1

Nature Communications (Dec 2017)

Quantum Hall states observed in thin films of Dirac semimetal Cd3As2

Masaki Uchida,
Yusuke Nakazawa,
Shinichi Nishihaya,
Kazuto Akiba,
Markus Kriener,
Yusuke Kozuka,
Atsushi Miyake,
Yasujiro Taguchi,
Masashi Tokunaga,
Naoto Nagaosa,
Yoshinori Tokura,
Masashi Kawasaki

Affiliations

Masaki Uchida: Department of Applied Physics and Quantum-Phase Electronics Center (QPEC), the University of Tokyo
Yusuke Nakazawa: Department of Applied Physics and Quantum-Phase Electronics Center (QPEC), the University of Tokyo
Shinichi Nishihaya: Department of Applied Physics and Quantum-Phase Electronics Center (QPEC), the University of Tokyo
Kazuto Akiba: The Institute for Solid State Physics, the University of Tokyo
Markus Kriener: RIKEN Center for Emergent Matter Science (CEMS)
Yusuke Kozuka: Department of Applied Physics and Quantum-Phase Electronics Center (QPEC), the University of Tokyo
Atsushi Miyake: The Institute for Solid State Physics, the University of Tokyo
Yasujiro Taguchi: RIKEN Center for Emergent Matter Science (CEMS)
Masashi Tokunaga: The Institute for Solid State Physics, the University of Tokyo
Naoto Nagaosa: Department of Applied Physics and Quantum-Phase Electronics Center (QPEC), the University of Tokyo
Yoshinori Tokura: Department of Applied Physics and Quantum-Phase Electronics Center (QPEC), the University of Tokyo
Masashi Kawasaki: Department of Applied Physics and Quantum-Phase Electronics Center (QPEC), the University of Tokyo

DOI: https://doi.org/10.1038/s41467-017-02423-1
Journal volume & issue: Vol. 8, no. 1
pp. 1 – 7

Abstract

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Despite many achievements in the topological semimetal Cd3As2, the high-quality Cd3As2 films are still rare. Here, Uchida et al. grow high-crystallinity and high-mobility Cd3As2 thin films and observe quantum Hall states dependent on the confinement thickness.

Published in Nature Communications

ISSN: 2041-1723 (Online)
Publisher: Nature Portfolio
Country of publisher: United Kingdom
LCC subjects: Science
Website: https://www.nature.com/ncomms/

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