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Chien, C. L.
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Publications (4/4 displayed)
- 2018Anomalous Hall effect in thin films of the Weyl antiferromagnet Mn3Sncitations
- 2007Composition controlled spin polarization in Co1-xFe xS2 alloyscitations
- 2007Enhanced Curie temperature and spin polarization in Mn4FeGe3citations
- 2000Anisotropy in magnetic and mechanical properties in textured Hiperco® FeCoV alloyscitations
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article
Enhanced Curie temperature and spin polarization in Mn4FeGe3
Abstract
<jats:p>Intermetallic ferromagnetic compound Mn5Ge3, with Curie temperature TC=296K, a spin polarization of P=42%, and a good lattice match to semiconductors, is a potential spin injector for spintronics. We report the enhanced magnetic properties and spin polarization of Mn4FeGe3. By replacing one Mn atom in Mn5Ge3 with Fe, the TC of Mn4FeGe3 has been enhanced to 319.50K, while still maintaining the same crystal structure, high electrical conductivity, and a high residual resistivity ratio of 5.33. More importantly, the spin polarization in excess of 60% of Mn4FeGe3, much higher than that of Mn5Ge3, has been realized.</jats:p>