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Proceedings Paper

Magnetic and magneto-optical properties of MnBiRE thin films
Author(s): Ruiyi Fang; Tingjun Ma; Jin Lui; Daosheng Dai
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Paper Abstract

Magnetic and magneto-optical properties of MnBi films doped with rare earth (RE) elements (RE equals Ce, Pr, Nd, Sm, Tb, Dy, and Ho) have been studied. It was found that MnBiRE (RE equals Ce, Pr, and Sm) films have larger Kerr rotation angle than that of MnBiRE (Nd, Tb, Dy, and Ho) films. When the RE component doped is in the range from x equals 0.02 to 0.25, the Kerr rotation angle can reach from 2 degree(s) to approximately 2.5 degree(s) at the wavelength 633 nm and zero magnetic field at room temperature. Large enhancement of Kerr effect can be explained by using the inter-band transition of the 3d - 6p electrons in MnBiRE alloys.

Paper Details

Date Published: 13 August 1993
PDF: 5 pages
Proc. SPIE 2053, Optical Storage (ISOS '92), (13 August 1993); doi: 10.1117/12.150652
Show Author Affiliations
Ruiyi Fang, Peking Univ. (China)
Tingjun Ma, Beijing Institute of Light Industry (China)
Jin Lui, Peking Univ. (China)
Daosheng Dai, Peking Univ. (China)


Published in SPIE Proceedings Vol. 2053:
Optical Storage (ISOS '92)

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