Abstract
The interband conductivity tensor is calculated in order to obtain the magneto-optical (MO) Kerr spectra of ferromagnetic metals. The local approximation to density functional theory (LDA) is used together with the ASW-band structure method and a highly precise Brillouin-zone integration scheme. Results are presented for fcc- and hcp-Co, for the binary compounds CoPt 3, MnSb, and MnBi and for the ternary compounds MnBiAl and PdMnSb. The Cl b-Heusler compounds are discussed, especially the problem of intraband contribution to the conductivity which play an important role in at least PtMnSb.
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