Crystal Structures of La_1-xSr_2+x(GeO₄)(V_1-xMo_xO₄)
(x = 00.4) Solid Solutions

V. D. Zhuravlev^a, V. G. Zubkov^a, A. P. Tyutyunnik^a, Yu. A. Velikodnyi^b, and N. D. Koryakin^a

^a Institute of Solid-State Chemistry, Ural Division, Russian Academy of Sciences,
ul. Pervomaiskaya 91, Yekaterinburg, 620219 Russia

^b Moscow State University, Moscow, 119991 Russia

Received November 7, 2007

Abstract—The phase compositions of theLaVO₄-SrMoO₄ (1) and Sr₂GeO₄-SrMoO₄ (2) binary systems, which
bound the Sr₂GeO₄-LaVO₄-SrMoO₄ (3) ternary system, and the LaSr₂(VO₄)(GeO₄)-Sr₂GeO₄ +SrMoO₄ section
(4) of system 3 are studied at subsolidus temperatures. Systems 1 and 2 consist of a mixture of the initial com-
pounds, and the La_{1 - x}Sr_{2 + x}(GeO₄)(V_{1 - x}Mo_xO₄) (where 0 x 0.4) region of substitutional solid solutions with
a palmierite structure is formed in system 3. The unit cell parameters of the solid solutions are determined. The
distribution of the lanthanum and strontium cations over two positions of the cationic sublattice is described.

DOI: 10.1134/S0036023609010227

Pleiades Publishing home page | journal home page | top

If you have any problems with this server, contact webmaster.