Changes in structural and magnetic properties of Co/Pd multilayers during interfacial interdiffusion

概要

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Artificially modulated magnetic Co/Pd multilayer is one of the promising materials for magneto-optic recording in short wavelength laser beam. But due to the fact that the Co/Pd multilayer is in a non-equilibrium state in terms of free energy and the marneto-optic recording is a kind of thermal recording which is conducted around Curie temperature (^TC), the assessment of stability in the Co/Pd multilayer is crucially interested in both structural and magnetic properties. As the parameter of the assessment of stability, changes in particle size and perpendicular magnetic anisotropy of the Co/Pd multilayers as the structural and magnetic properties, respectively are discussed below and above ^TC. The temperature dependence of the both properties in the Co/Pd multilayers shows a great deviation below and above ^TC. We attribute the deviation in the properties to the role of magnetic exchange energy below ^TC in the Co/Pd multilayers.
社団法人映像情報メディア学会の論文
1994-11-18