期刊
CZECHOSLOVAK JOURNAL OF PHYSICS
卷 51, 期 9, 页码 917-949出版社
INST PHYSICS ACAD SCI CZECH REPUBLIC
DOI: 10.1023/A:1012300926059
关键词
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Magneto-optic (MO) effects in magnetic multilayers with periodic regions are discussed assuming normal incidence of polarized waves and polar magnetization (Faraday and polar Kerr effects). From the (4 x 4)-matrix formalism simplified analytical expressions linear in the off-diagonal permittivity tensor element are obtained with no loss in accuracy. The MO effects are expressed as weighted sums of contributions from individual layers. Approximate expressions are given for the case when the thickness of magnetic layers is much smaller than the radiation wavelength. The procedure is illustrated on superlattices consisting of symmetric sandwiches of ultrathin magnetic and non-magnetic metallic layers.
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