Abstract
The magnetotransmission and magnetoreflection spectra of a seven-layer Cr(28 A)/Fe(36 A)/Cr(13 A)/Fe(18 A)/Cr(13 A)/Fe(36 A)/Cr(28 A) film, their temperature and field dependences measured at various directions of a magnetic field with respect to the film plane, and the correlations between these effects are studied. The experimental results are compared with the data on the magnetization and transverse Kerr effect. The magnetotransmittance and magnetoreflectance are calculated for this film in terms of the magnetorefractive effect theory. Apart from the film layer thickness, the effective relaxation time, the plasma frequency, and the spin asymmetry parameter are shown to strongly affect both the magnitudes and spectral dependences of the magnetotransmittance and magnetoreflectance. Although the calculation results qualitatively describe the signs and the spectral and field dependences of the magnetotransmittance and magnetoreflectance, they do not agree quantitatively with the experimental results, in particular, near the visible region. The causes of the quantitative discrepancies are discussed.
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