Spin-filter and spin-gapless semiconductors: The case of Heusler compounds

We review our recent first-principles results on the inverse Heusler compounds and the ordered quaternary (also known as LiMgPdSn-type) Heusler compounds. Among these two subfamilies of the full-Heusler compounds, several have been shown to be magnetic semiconductors. Such material can find versatil...

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Bibliographic Details
Published inAIP advances Vol. 6; no. 5; pp. 055606 - 055606-6
Main Authors Galanakis, I., Özdoğan, K., Şaşıoğlu, E.
Format Journal Article
LanguageEnglish
Published Melville American Institute of Physics 01.05.2016
AIP Publishing LLC
Subjects
COMPUTERIZED SIMULATION
CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY
ENERGY GAP
FERMI LEVEL
FILTERS
First principles
HEUSLER ALLOYS
MAGNETIC SEMICONDUCTORS
MAGNETIC TUNNEL JUNCTIONS
Random access memory
REVIEWS
Semiconductors
SPIN
Tunnel junctions
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Summary:We review our recent first-principles results on the inverse Heusler compounds and the ordered quaternary (also known as LiMgPdSn-type) Heusler compounds. Among these two subfamilies of the full-Heusler compounds, several have been shown to be magnetic semiconductors. Such material can find versatile applications, e.g. as spin-filter materials in magnetic tunnel junctions. Finally, a special case are the spin-gapless semiconductors, where the energy gap at the Fermi level for the one spin-direction is almost vanishing, offering novel functionalities in spintronic/magnetoelectronic devices.
ISSN:2158-3226
2158-3226
DOI:10.1063/1.4943761