Abstract:
We present a study on the effect of the spin–orbit interaction on the electronic structure, magnetic moment and spin density maps in the (110) crystal plane for Co2YSn (Y = Ti, V and Mn) compounds. Our calculations are performed using a self-consistent, full-potential, linearized augmented plane wave (FPLAPW) method as implemented in Wein2k. The spin-orbit coupling is found to eliminate the spin-down gap in the Mn and Ti-containing alloys and leads to non-integer total magnetic moments, i.e. impairs half-metallicity.
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