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1. Topological surface currents accessed through reversible hydrogenation of the three-dimensional bulk

Author

Haiming Deng, Lukas Zhao, Kyungwha Park, Jiaqiang Yan, Kamil Sobczak, Ayesha Lakra, Entela Buzi, and Lia Krusin-Elbaum

Subjects
Science
Abstract

Hydrogen can be incorporated within a solid and drastically modify its electronic and structural state. Here, the authors report reversible binding of H+ ions to chalcogens in the Bi2Te3 class of topological insulators and magnets, allowing Fermi level tuning into the bulk gap without altering carrier mobility or the bandstructure.

Published
2022
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