Magnetic and magneto-optical properties of MnBiRE thin films

Ruiyi Fang; Tingjun Ma; Jin Lui; Daosheng Dai

doi:10.1117/12.150652

13 August 1993 Magnetic and magneto-optical properties of MnBiRE thin films

Ruiyi Fang, Tingjun Ma, Jin Lui, Daosheng Dai

Proceedings Volume 2053, Optical Storage (ISOS '92); (1993) https://doi.org/10.1117/12.150652
Event: Optical Storage: Third International Symposium, 1992, Kunming, Yunnan Province, China

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.

Citation Download Citation

Ruiyi Fang, Tingjun Ma, Jin Lui, and Daosheng Dai "Magnetic and magneto-optical properties of MnBiRE thin films", Proc. SPIE 2053, Optical Storage (ISOS '92), (13 August 1993); https://doi.org/10.1117/12.150652

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