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Growth of KY(WO4)2 single crystal: investigation of the WO3 rich region in the K2O-Y2O3-WO3 ternary system. 2 — The KY(WO4)2 crystallisation field

✍ Scribed by E. Gallucci; C. Goutaudier; G. Boulon; M.T. Cohen-Adad

Publisher
Elsevier Science
Year
1998
Tongue
English
Weight
574 KB
Volume
35
Category
Article
ISSN
0992-4361

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✦ Synopsis

In order to determinate the best crystal growth conditions for KY(WO,)* single-crystals, the investigation of the K20-Y*O,-WO, ternary system was undertaken by the study of three isoplethic sections (K2W40,3-Y203, K,WO,-KY(WO.,),, K,W,O,-KY(WO,),).

The stability domain and the crystallisation field of the compound were then defined : KY(WO,), is not stoichiometric and melts congruently for the composition 0.81(K,0.4W03)-O.I9Y,O,

The low temperature phase belongs to the monoclinic system (s.g. C2/c) with a=10.65(1)& b=10.34(1)A, c=7.54(1)A, c3=130.5(1)". Its crystallisation field was delimited in temperature and composition : an a-KY(WO,), crystal can grow if x,,o,<O. 175.

📜 SIMILAR VOLUMES

ChemInform Abstract: Growth of KY(WO4)2
ChemInform Abstract: Growth of KY(WO4)2 Single-Crystal: Investigation of the Rich WO3 Region in the K2O-Y2O3-WO3 Ternary System. Part 1. The K2O-WO3 Binary System.
✍ E. GALLUCCI; C. GOUTAUDIER; G. BOULON; M.-TH. COHEN-ADAD 📂 Article 📅 2010 🏛 John Wiley and Sons ⚖ 34 KB 👁 2 views

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