Optical and magneto-optical properties of room-temperature ferromagnetic In(Ga)MnAs layers, deposited by pulse laser ablationстатья
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Дата последнего поиска статьи во внешних источниках: 18 июля 2013 г.
Аннотация:Spectral dependences of refractive and absorption indices n(h nu), k(h nu) (h nu = 1.2-4.4 eV) and the transversal Kerr effect delta(h nu) (h nu = 0.5-4.4 eV) in In(Ga)MnAs layers fabricated by laser deposition have been investigated. Spectra of the diagonal and off-diagonal components of the dielectric permittivity tensor of these layers have been calculated. Comparison of the spectral dependences delta(h nu), epsilon'(h nu) and epsilon'(2) x (h nu)(2) of the In(Ga)MnAs layers with similar spectra for MnAs has been carried out. Particular features in the spectra of the In(Ga)MnAs layers have been explained by a competition of contributions of the In(1-x)(Ga(1-x))Mn(x)As host and MnAs inclusions. Published by Elsevier B.V.