Article ID Journal Published Year Pages File Type
1552965 Superlattices and Microstructures 2015 8 Pages PDF
Abstract

•The CoTiSb/Fe(Mn)/CoTiSb TMR multilayer are firstly designed.•A conductive film with 100% spin polarization induced by the single atomic layer of Fe/Mn is formed.•The single atomic layer of Fe/Mn has a limited influence on the electronic structures of the matrix.•Our work bring a different perspective into spintronics device, such as TMR, etc.

Fe/Mn single atomic layer with b.c.c structure is coherently inserted into half-Heusler compound CoTiSb. Electronic structures, magnetic properties and interface effects of the CoTiSb/Fe(Mn)/CoTiSb superlattice have been investigated by using the first-principles calculations. We predicted that a conductive film with 100% spin polarization is formed by the single atomic layer of Fe/Mn as the center between the semiconductor CoTiSb. And the single atomic layer of Fe/Mn has a limited influence on the electronic structures of the atomic layers inside CoTiSb. These make the CoTiSb/Fe(Mn)/CoTiSb superlattice a potential candidate for spintronic device, such as TMR, etc.

Related Topics
Physical Sciences and Engineering Materials Science Electronic, Optical and Magnetic Materials
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