Paper Title:
Phase Transitions in the BIMEVOX Solid Solutions with Me = Ga, Zr
  Abstract

The polymorph phase stability ranges have been studied for the Bi4V2-xMexO11-y solid solutions with Me = Ga and Zr at room temperature. The formation of orthorhombic α- (x = 0.0 and 0.05) and β-phases (x = 0.1, 0.15) and tetragonal phase (0.2 ≤ x ≤ 0.3) has been revealed in BIGAVOX solid solutions. In BIZRVOX solid solutions, α-phase exists at x ≤ 0.05, while β-phase exists at 0.1 ≤ x ≤ 0.3. The second order phase transitions at ~ 308°C (BIGAVOX) and ~ 270°C (BIZRVOX) have been revealed for solid solutions with x = 0.05 using the SHG and DSC methods. In both systems, the β↔γ-phase transition temperatures have been found to decrease with increasing x.

  Info
Periodical
Materials Science Forum (Volumes 587-588)
Edited by
António Torres Marques, António Fernando Silva, António Paulo Monteiro Baptista, Carlos Sá, Fernando Jorge Lino Alves, Luís Filipe Malheiros and Manuel Vieira
Pages
114-117
DOI
10.4028/www.scientific.net/MSF.587-588.114
Citation
V.V. Murasheva, E. A. Fortalnova, E. D. Politova, M. G. Safronenko, S. Y. Stefanovich, N. U. Venskovskii, "Phase Transitions in the BIMEVOX Solid Solutions with Me = Ga, Zr", Materials Science Forum, Vols. 587-588, pp. 114-117, 2008
Online since
June 2008
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