Hayato Miyagawa et al 2005 Phys. Scr. 2005 616 doi:10.1238/Physica.Topical.115a00616
Hayato Miyagawa1, Naomi Kawamura and Motohiro Suzuki
Show affiliationsWe studied the feasibility of magnetic circular dichroism (MCD) in the hard x-ray region for determining 4f magnetic moments by measuring the temperature dependence of MCD spectra at rare earth L2-edge in systems of rare earth iron garnets (R-IG) for R = Gd, Dy and Sm. Two components arising from the magnetization of the Gd and Fe sublattices, which were combined into the MCD spectrum of Gd-IG, were separatively deduced. For Dy- and Sm-IG, we successfully obtained the temperature dependence of the MCD component that comes from only R sublattice magnetization under the assumption that the MCD spectra of the series of R-IG contain the same contribution of the iron sublattice.
78.70.Dm X-ray absorption spectra
75.60.Ej Magnetization curves, hysteresis, Barkhausen and related effects
Issue T115 (2005)
Received 26 June 2003, accepted for publication 11 November 2003
Hayato Miyagawa et al 2005 Phys. Scr. 2005 616
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