Crystallization of solid solutions based on double berates with huntite structure

被引：18
|
作者：
Koporulina, EV [1 ]
Leonyuk, NI
Pilipenko, OV
Mokhov, AV
Bocelli, G
Righi, L
机构：
[1] Moscow MV Lomonosov State Univ, Moscow 119899, Russia
[2] Inst Ore Deposit Geol Petrog Mineral & Geochem, Moscow 109017, Russia
[3] Univ Parma, CNR, CSSD, I-43100 Parma, Italy
来源：
MATERIALS LETTERS | 2001年 / 47卷 / 03期
关键词：
rare earth aluminium borates; crystal growth; solid solutions; crystal structure;
D O I：
10.1016/S0167-577X(00)00226-3
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Single crystals of RExY1-3Al3(BO3)(4) (REYAB), where RE = Nd, Gd, Ho, Yb and Lu, have been obtained from fluxed melts based on potassium trimolybdate. The NdxGd1-xAl3(BO3)(4) (NGAB) (x = 0.2) have also been grown by top seeded solution growth (TSSG) method. Effective segregation coefficients of rare earth elements were found to be 0.3-1.03, depending on the type of dopant cations. In the case of NdxY1-xAl3(BO3)(4) (NYAB), it increases with increasing Nd2O3/Y2O3 ratio in the initial mixture. The crystal structure of Nd0.17Gd0.83Al3(BO3)(4) was refined. (C) 2001 Published by Elsevier Science B.V.
引用
收藏
页码：145 / 149
页数：5
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