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Enhancement of spin-orbit coupling in Dirac semimetal Cd$ {3}$As$ {2}$ films by Sb-doping by Nakazawa, Yusuke; Uchida, Masaki; Nishihaya, Shinichi; Ohno, Mizuki; Sato, Shin; Kawasaki, Masashi is a scholarly article available to read on EtoBox.

What is Enhancement of spin-orbit coupling in Dirac semimetal Cd$ {3}$As$ {2}$ films by Sb-doping about?

We present a study on magnetotransport in films of the topological Dirac semimetal Cd$_{3}$As$_{2}$ doped with Sb grown by molecular beam epitaxy. In our weak antilocalization analysis, we find a significant enhancement of the spin-orbit scattering rate, indicating that Sb doping leads to a strong increase of the pristine band-inversion energy. We discuss possible origins of this large enhancement by comparing Sb-doped Cd$_{3}$As$_{2}$ with other compound semiconductors. Sb-doped Cd$_{3}$As$_{2}$ will be a suitable system for further investigations and functionalization of topological Dirac semimetals.

Author

Nakazawa, Yusuke; Uchida, Masaki; Nishihaya, Shinichi; Ohno, Mizuki; Sato, Shin; Kawasaki, Masashi

Published

2021

Language

EN