Single Crystal Growth and Spin Polarization Measurements of Diluted Magnetic Semiconductor (BaK)(ZnMn)2As2.

Abstract:

:Recently a new diluted magnetic semiconductor, (Ba,K)(Zn,Mn)2As2 (BZA), with high Curie temperature was discovered, showing an independent spin and charge-doping mechanism. This makes BZA a promising material for spintronics devices. We report the successful growth of a BZA single crystal for the first time in this study. An Andreev reflection junction, which can be used to evaluate spin polarization, was fabricated based on the BZA single crystal. A 66% spin polarization of the BZA single crystal was obtained by Andreev reflection spectroscopy analysis.

journal_name

Sci Rep

journal_title

Scientific reports

authors

Zhao GQ,Lin CJ,Deng Z,Gu GX,Yu S,Wang XC,Gong ZZ,Uemura YJ,Li YQ,Jin CQ

doi

10.1038/s41598-017-08394-z

subject

Has Abstract

pub_date

2017-11-03 00:00:00

pages

14473

issue

1

issn

2045-2322

pii

10.1038/s41598-017-08394-z

journal_volume

7

pub_type

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