Title :
Second harmonic generation study of quantum well states and interdiffusion in a Co/Rh multilayer
Author :
Manders, F. ; Veenstra, K.J. ; Kirilyuk, A. ; Rasing, Th. ; van Berg, H.A.M. ; Persat, N.
Author_Institution :
Res. Inst. for Mater., Nijmegen Univ., Netherlands
fDate :
7/1/1998 12:00:00 AM
Abstract :
The nonlinear optical response of a Rh overlayer on top of a Co film shows an oscillatory behaviour as a function of Rh thickness. The oscillation period is the same as for the the period of the oscillatory exchange coupling of two Co layers separated by a Rh wedge. Spectroscopic studies show that the period and the phase are independent of the wavelength. The observed strong temperature dependence of the nonlinear response can be related to the interdiffusion of Rh in Co
Keywords :
chemical interdiffusion; cobalt; electronic density of states; interface states; magnetic multilayers; magnetisation; magneto-optical effects; optical harmonic generation; rhodium; Co-Rh; Co/Rh multilayer; Rh thickness; interdiffusion; oscillatory behaviour; oscillatory exchange coupling; quantum well states; second harmonic generation; temperature dependence; Couplings; Frequency conversion; Giant magnetoresistance; Magnetic sensors; Magnetic separation; Nonhomogeneous media; Nonlinear optics; Optical films; Optical harmonic generation; Optical sensors;
Journal_Title :
Magnetics, IEEE Transactions on
