Magneto-Optical Kerr Effect of Compositionally Modulated Co/Pt Films

Chin. Phys. Lett.

1992, Vol. 9

Issue (7): 379-382 DOI:

Original Articles

Magneto-Optical Kerr Effect of Compositionally Modulated Co/Pt Films

ZHOU Shiming;ZHAI Hongru;SONG Jingtao*;ZHANG Hongyan;LU Mu;JIANG Shulian

Center of Materials Analysis, Laboratory of Solid State Microstructures, Nanjing University, Nanjing 210008 *Water conservancy and Electric Power Equipment Factory, Wujiang 215200

Cite this article:

ZHOU Shiming, ZHAI Hongru, SONG Jingtao et al 1992 Chin. Phys. Lett. 9 379-382

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Abstract In this paper the magneto-optical polar Kerr rotation spectra of compositionally modulated films (CMF) Co/Pt are calculated by using Fresnel's equations. For CMF Co/Pt with d_Co/d_pt=1/2, 1 and 2 the magneto-optical Kerr rotation at any wavelength increases with the increasing modulation wavelength in the wavelength region from 200 to 800nm. For CMF Co/Pt of constant d_pt the Kerr rotation increases with d_co increasing while of constant d_co the Kerr rotation increases with d_pt decreasing. From numerical calculations it is suggested that for CMF Co/Pt with small d_pt the Pt sublayer is polarized and has a positive contribution to the Kerr rotation of CMF Co/Pt.

Keywords: 78.20.Ls

Published: 01 July 1992

PACS:

78.20.Ls

(Magneto-optical effects)

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URL:

https://cpl.iphy.ac.cn/ OR https://cpl.iphy.ac.cn/Y1992/V9/I7/0379

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	ZHOU Shiming
	ZHAI Hongru
	SONG Jingtao
	ZHANG Hongyan
	LU Mu
	JIANG Shulian

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