Molecular beam epitaxy of CuMnAs

Filip Krizek*, Zdeněk Kašpar, Aliaksei Vetushka, Dominik Kriegner, Elisabetta M. Fiordaliso, Jan Michalicka, Ondřej Man, Jan Zubáč, Martin Brajer, Victoria A. Hills, Kevin W. Edmonds, Peter Wadley, Richard P. Campion, Kamil Olejník, Tomáš Jungwirth, Vít Novák

*Corresponding author for this work

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Abstract

We present a detailed study of the growth of the tetragonal polymorph of antiferromagnetic CuMnAs by the molecular beam epitaxy technique. We explore the parameter space of growth conditions and their effect on the microstructural and transport properties of the material. We identify its typical structural defects and compare the properties of epitaxial CuMnAs layers grown on GaP, GaAs, and Si substrates. Finally, we investigate the correlation between the crystalline quality of CuMnAs and its performance in terms of electrically induced resistance switching.
Original languageEnglish
Article number014409
JournalPhysical Review Materials
Volume4
Issue number1
Number of pages9
ISSN2475-9953
DOIs
Publication statusPublished - 2020

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