Reference : A magnetic and conversion electron Mossbauer spectral study of amorphous Dy20Fe80-yCoy t...
Scientific journals : Article
Physical, chemical, mathematical & earth Sciences : Chemistry
Physical, chemical, mathematical & earth Sciences : Physics
http://hdl.handle.net/2268/76708
A magnetic and conversion electron Mossbauer spectral study of amorphous Dy20Fe80-yCoy thin films
English
Fleury-Frenette, Karl mailto [Université de Liège - ULg > > CSL (Centre Spatial de Liège) >]
Delwiche, Jacques mailto [Université de Liège - ULg > Services généraux (Faculté des sciences) > Relations académiques et scientifiques (Sciences) >]
Grandjean, Fernande [Université de Liège - ULg > Département de physique > Département de physique >]
Vandormael, Denis mailto [Université de Liège - ULg > > CSL (Centre Spatial de Liège) >]
Strivay, David mailto [Université de Liège - ULg > Département de physique > Physique nucléaire, atomique et spectroscopie - Centre européen en archéométrie >]
Weber, Georges [Université de Liège - ULg > > Centre européen en archéométrie - Physique nucléaire, atomique et spectroscopie >]
Long, G. [ > > ]
2001
IEEE Transactions on Magnetics
IEEE
37
4
2311-2314
Yes (verified by ORBi)
International
0018-9464
Piscataway
NJ
[en] hysteresis curves ; magneto-optical recording materials ; mossbauer spectroscopy ; alloys ; iron ; moment
[en] Amorphous thin films of Dy20Fe80-yCoy, with 0 < y < 20 and of ca. 40 nm thickness, have been prepared by sputtering on polyimide substrates. The 295 K conversion electron Mossbauer spectra (CEMS) of these films consist of broadened sextets which have been analyzed with a distribution of hyperfine fields in which the iron moments are oriented perpendicular to the plane of the film, an orientation which is in agreement with the perpendicular magnetic anisotropy observed herein at 295 K by vibrating sample magnetrometry. The average hyperfine field and isomer shift increase linearly with increasing Co content. Both increases arise from an increase in the electron occupation of the 3d states as the cobalt content increases.
http://hdl.handle.net/2268/76708

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