Directional solidification by appropriate chemically active single crystal seed: An alternative way of generating large superconducting 123 single domain
[en] A Dy2O3 single crystal has been used as a seed for the growth of isothermally melt-textured DY-123 material. The nucleation-controlled step has been observed to be related to the heterogeneous nucleation of 211 particles at the surface of the dysprosium oxide single crystal. The subsequent growth mode seems to be controlled by a high concentration gradient of dysprosium in the liquid phase. This leads to a directional solidification process of the 123 phase. The size of the 211 particles seems to decrease as the distance from the dysprosium oxide single crystal increases.
Disciplines :
Physics
Author, co-author :
Cloots, Rudi ; Université de Liège - ULiège > Département de chimie (sciences) > Chimie inorganique structurale - Doyen de la Faculté des Sciences
Vandewalle, Nicolas ; Université de Liège - ULiège > Département de physique > Physique statistique
Ausloos, Marcel ; Université de Liège - ULiège > Département de physique > Physique statistique appliquée et des matériaux - S.U.P.R.A.S.
Language :
English
Title :
Directional solidification by appropriate chemically active single crystal seed: An alternative way of generating large superconducting 123 single domain
Publication date :
December 1997
Journal title :
Journal of Materials Research
ISSN :
0884-2914
eISSN :
2044-5326
Publisher :
Subscription Fulfillment, Materials Research Society, Warrendale, United States - Pennsylvania
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