Heterogeneous equilibria in the Y-Mn-O and Tm-Mn-O systems in air

Author： Fedorova O.   Titova S.   Balakirev V.   Golikov Yu.  

Publisher： MAIK Nauka/Interperiodica

ISSN： 1070-4272

Source： Russian Journal of Applied Chemistry, Vol.77, Iss.9, 2004-09, pp. : 1556-1558

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Abstract

The subsolidus phase diagrams of the systems Ln-Mn-O (Ln = Y, Tm) in air in the range 850 – 1400°C were constructed, based on the X-ray phase analysis of the homogeneous phases and heterogeneous mixtures of compositions R = N Mn/(N Mn + N Ln) 1/5, 1/2 (LnMnO3), 3/5, 2/3 (LnMn2O5), and 4/5. The boundaries of the phase areas were outlined.

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