KANUNOV, Anton; GLORIEUX, Benoit; ORLOVA, Albina; BOROVIKOVA, Elena; ZAVEDEEVA, Galina

doi:10.1007/s12034-016-1337-1

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KANUNOV, Anton
Faculty of Chemistry

GLORIEUX, Benoit
Institut de Chimie de la Matière Condensée de Bordeaux [ICMCB]

ORLOVA, Albina
Faculty of Chemistry

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Bulletin of Materials Science. 2017, vol. 40, n° 1, p. 7-16

Indian Academy of Sciences

Résumé en anglais

The solid solution row A1−3xEu3+xZr2(PO4)3, where A = Na, K, Rb, Cs and x ranging from 0 to 0.25 was obtained by methods based on sol–gel processes in the presence of the salting-out agent, C2H5OH. The formation of phases of the structural type NaZr2(PO4)3 (NZP) and their crystallization in the crystal forms belonging to the space group R3¯c (0 ≤x≤ 0.1) and P3¯c (x= 0.25) were determined. Morphotropic transition occurred. Trivalent europium was included as a local probe. Its electric and magnetic dipole was used to characterize the substitution rule and the localization of this cation in the structure, which is in agreement with the structural characterization. It appears that europium is located in the M1 and M2 sites as a function of the Eu3+ concentration.< Réduire

Mots clés en anglais

NZP

phosphates

luminescence

europium

crystal structure

morphotropic transition

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Synthesis, structure and luminescence properties of phosphates A1-3xEuxZr2(PO4)3 (A--alkali metal)

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