Preferential silicon site occupation in Y/sub 2/Fe/sub 14-x/Si/sub x/B

Preferential silicon site occupation in Y/sub 2/Fe/sub 14-x/Si/sub x/B

Neutron-diffraction and Mossbauer effect studies of Y/sub 2/Fe/sub 14-x/Si/sub x/B, where x is 0.28, 0.67, and 1.87, show that silicon preferentially occupies the 4c site in the R/sub 2/Fe/sub 14/B structure. If the breaking of short iron-iron bonds is the mechanism for the increase in the Curie tem...

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Veröffentlicht in:IEEE transactions on magnetics 1993-11, Vol.29 (6), p.2764-2766
Hauptverfasser: Marasinghe, G.K., Pringle, O.A., Long, G.J., Grandjean, F., Yelon, W.B.
Format: Artikel
Sprache:eng
Schlagworte:
Chemistry
Inductors
Iron
Magnetic moments
Neodymium
Physics
Powders
Scattering
Silicon
Temperature
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Zusammenfassung:Neutron-diffraction and Mossbauer effect studies of Y/sub 2/Fe/sub 14-x/Si/sub x/B, where x is 0.28, 0.67, and 1.87, show that silicon preferentially occupies the 4c site in the R/sub 2/Fe/sub 14/B structure. If the breaking of short iron-iron bonds is the mechanism for the increase in the Curie temperature of R/sub 2/Fe/sub 14-x/Si/sub x/B, then the bonds most responsible for the increase are those between iron atoms on the 16k/sub 2/ and 4c sites.< >
ISSN:0018-9464
1941-0069
DOI:10.1109/20.281021