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- W2045448968 abstract "Abstract We report full potential treatment of electronic and magnetic properties of Cr 2− x Fe x CoZ (Z=Al, Si) Heusler alloys where x =0.0, 0.25, 0.5, 0.75 and 1.0, based on density functional theory (DFT). Both parent alloys (Cr 2 CoAl and Cr 2 CoSi) are not half-metallic frromagnets. The gradual replacement of one Cr sublattice with Fe induces the half-metallicity in these systems, resulting maximum spin polarization. The half-metallicity starts to appear in Cr 2− x Fe x CoAl and Cr 2− x Fe x CoSi with x =0.50 and x =0.25, respectively, and the values of minority-spin gap and half-metallic gap or spin-flip gap increase with further increase of x . These gaps are found to be maximum for x =1.0 for both cases. An excellent agreement between the structural properties of CoFeCrAl with available experimental study is obtained. The Fermi level tuning by Fe-doping makes these alloys highly spin polarized and thus these can be used as promising candidates for spin valves and magnetic tunnelling junction applications." @default.
- W2045448968 created "2016-06-24" @default.
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- W2045448968 date "2014-12-01" @default.
- W2045448968 modified "2023-10-16" @default.
- W2045448968 title "Tuning Fermi level of Cr2CoZ (Z=Al and Si) inverse Heusler alloys via Fe-doping for maximum spin polarization" @default.
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- W2045448968 doi "https://doi.org/10.1016/j.jmmm.2014.06.050" @default.
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