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- W2048909181 abstract "The structural, magnetic and magneto-optical properties of Mn/RE/Bi (RE equals Nd, Eu, Cd, Tb, Dy) films prepared by multilayer technology are reported. The results of the investigations show that these films exhibit a smaller crystallite size, an improved squareness of the hysteresis loops, an enhanced Kerr rotation and a higher stability of the structural and magnetic properties than that of MnBi films. It is assumed that the specific influence of RE spacer layers on the structure is related with their atomic radius. The possible reasons of the Kerr effect enhancement in Mn/RE/Bi films were discussed: the increased matrix elements of the 6p-3d transitions, the significant polarization of Bi 6p band, the change of the density of states near the Fermi level. It was found that Mn/Dy/Bi films have best parameters: average crystallite size 15 nm, H<SUB>c</SUB> equals 6 kOe, K<SUB>u</SUB> equals 1 (DOT) 10<SUP>7</SUP> erg/cc, 2(Theta) <SUB>k</SUB> equals 4.5 degree(s), (Theta) <SUB>k</SUB>(root)R equals 1.5 degree(s) at (lambda) equals 633 nm. The wavelength dependent of Kerr rotation have the maximum in the region (lambda) equals 633 nm that represents the practical interest. The suitable properties of Mn/Dy/Bi films allow it to use it as a magneto-optical storage medium. The results of the thermomagnetic writing and magneto-optical readout in these films were presented." @default.
- W2048909181 created "2016-06-24" @default.
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- W2048909181 date "1998-01-01" @default.
- W2048909181 modified "2023-09-27" @default.
- W2048909181 title "<title>Kind effect of rare-earth spacer layer on structural and magneto-optical properties of Mn/RE/Bi films</title>" @default.
- W2048909181 doi "https://doi.org/10.1117/12.301401" @default.
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