Predicting the Phase Stability of Sc1–xLnxPO4 (Ln = Gd–Lu, Y) Zircon-Structured Solid Solutions


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The energies of mixing (interaction parameters) in the Sc1–xLnxPO4 (Ln = Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, Y) systems have been calculated using Urusov’s crystal energy theory of isomorphous substitutions. The decomposition (stability) temperatures of the solid solutions have been plotted against the atomic number of the rare-earth elements at x = 0.01, 0.03, 0.05, 0.10, 0.20, and 0.50. The present results can be helpful in a search for host and activator compositions for new luminescence, laser, and other materials based on the zircon-structured rare-earth orthophosphates.

Sobre autores

E. Get’man

Vasyl’ Stus Donetsk National University

Email: radio@donnu.edu.ua
Ucrânia, vul. 600-richchia 21, Vinnytsia, 21021

S. Radio

Vasyl’ Stus Donetsk National University

Autor responsável pela correspondência
Email: radio@donnu.edu.ua
Ucrânia, vul. 600-richchia 21, Vinnytsia, 21021

L. Ardanova

Department of Chemistry and Geology

Email: radio@donnu.edu.ua
Estados Unidos da América, 241 Ford Hall, Mankato, Minnesota, 56001

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