Numerical Calculation of Kerr Spectra for Magnetic Granular Films

Chin. Phys. Lett.

2004, Vol. 21

Issue (2): 389-392 DOI:

Original Articles

Numerical Calculation of Kerr Spectra for Magnetic Granular Films

LIN Ying-Bin¹;HUANG Zhi-Gao^1,2;DU You-Wei²

¹Department of Physics, Fujian Normal University, Fuzhou 350007 ²National Laboratory of Solid State Microstructures, Nanjing University, Nanjing 210093

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LIN Ying-Bin, HUANG Zhi-Gao, DU You-Wei 2004 Chin. Phys. Lett. 21 389-392

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Abstract Based on the 4 x 4 matrix method, we present theoretical calculations of the magneto-optic polar Kerr effect with the incident energy in granular films. It is found that the simulated results are in good agreement with experimental ones. In addition, Kerr rotation and ellipticity as functions of incident angle and magnetic film thickness have been computed. The calculated results indicate that the Kerr spectra as a function of the incident angle reveal maximum at certain incident angles and the Kerr spectra appear a periodical and damped oscillation with the magnetic thickness, which is important for design of the materials in the future.

Keywords: 75.50.Ss 75.40.Mg 73.21.Ac

Published: 01 February 2004

PACS:	75.50.Ss	(Magnetic recording materials)
	75.40.Mg	(Numerical simulation studies)
	73.21.Ac	(Multilayers)

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https://cpl.iphy.ac.cn/ OR https://cpl.iphy.ac.cn/Y2004/V21/I2/0389

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