Ex) Article Title, Author, Keywords
J. Korean Phy. Soc. 2009; 55(6): 2537-2542
Published online December 15, 2009 https://doi.org/10.3938/jkps.55.2537
Copyright © The Korean Physical Society.
Using the full potential linearized augmented plane wave (FLAPW)method, we have investigated the thickness dependent magneticanisotropy and the magneto-optical kerr effect (MOKE) ofbody-centered-cubic (BCC) Ni films in the range from 15 monolayer(ML) to 21 ML. Through magnetic anisotropy calculations, we haverealized that the clean BCC Ni(001) has an in-plane magnetizationalong the (100) direction until 19 ML, but it changes to the (110)direction at a 21 ML thickness. Interestingly, the Au capped BCCNi(001) film always displays a perpendicular magnetic anisotropy(PMA). This implies that the influence of the interfacecontribution on the magnetic anisotropy is an essential factor.The kerr rotation angle has been shown to be insensitive to thefilm's thickness or the Au capping layer. Also, thicknessdependent X-ray magnetic circular dichroism (XMCD) and X-rayabsorption spectroscopy (XAS) have been presented.
Keywords: Magnetic anisotropy, MOKE, bcc Ni, Magnetism, FLAPW, Ni(001), Film, Au
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