Preferential silicon site occupation in Y[sub 2]Fe[sub 14[minus]x]Si[sub x]B

Neutron-diffraction and Moessbauer effect studies of Y[sub 2]Fe[sub 14[minus]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 Cu...

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Bibliographische Detailangaben
Hauptverfasser:	Marasinghe, G.K., Pringle, O.A., Long, G.J., Grandjean, F., Yelon, W.B.
Format:	Tagungsbericht
Sprache:	eng
Schlagworte:	360102 - Metals & Alloys- Structure & Phase Studies 360104 - Metals & Alloys- Physical Properties ALLOYS BORON ALLOYS CRYSTAL STRUCTURE CURIE POINT DATA EXPERIMENTAL DATA INFORMATION IRON ALLOYS IRON BASE ALLOYS MAGNETIC PROPERTIES MATERIALS SCIENCE NUMERICAL DATA PHYSICAL PROPERTIES SILICON ALLOYS THERMODYNAMIC PROPERTIES TRANSITION TEMPERATURE YTTRIUM ALLOYS
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Zusammenfassung:	Neutron-diffraction and Moessbauer effect studies of Y[sub 2]Fe[sub 14[minus]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[minus]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