Spin gapless semiconducting behavior in equiatomic quaternary CoFeMnSi Heusler alloy

Bainsla, Lakhan; I. Mallick, A.; Manivel Raja, M.; K. Nigam, A.; S. D. Ch. S. Varaprasad, B.; K. Takahashi, Y.; Alam, Aftab; Г. Суреш, К.; Hono, K.

doi:10.1103/physrevb.91.104408

Public

Spin gapless semiconducting behavior in equiatomic quaternary CoFeMnSi Heusler alloy

Published in Physical Review B • Mar 13, 2015

Authors:

Lakhan Bainsla

A. I. Mallick

M. Manivel Raja

Abstract

In this paper, we report the signature of spin gapless semiconductor (SGS) in CoFeMnSi that belongs to the Heusler family. SGS is a new class of magnetic semiconductors which have a band gap for one spin subband and zero band gap for the other, and thus are useful for tunable spin transport based ap...

Subject

Condensed matter physics

Spintronics

Spin polarization

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