Crystallization Features
of Ternary Reversible Reciprocal Systems

V. N. Tomashik^a, L. P. Shcherbak^b, P. I. Feichuk^b, and V. I. Grytsiv^c

^aLashkarev Institute of Semiconductor Physics, National Academy of Sciences of Ukraine,
Prospect Nauki 45, Kiev, 03650 Ukraine

^bChernovtsy National University, Chernovtsy, 58002 Ukraine

^cZhitomir State University, Velyka Berdychivska ul. 40, Zhitomir, 10008 Ukraine

Received March 25, 2005

Abstract—Some features of the primary crystallization of phases in ternary reversible reciprocal system are
considered and discussed. The diagonal join CdTe–GeSe of the CdTe + GeSe CdSe + GeTe ternary recip-
rocal system is studied to show that the features in primary and secondary heating and cooling curves in such
systems under fully equilibrium conditions are not reproduced upon consecutive heating and cooling sessions,
because of the existence of different amounts of the reagents and the reaction products in the mixture; the tem-
peratures of each transformation lie in a range. Those who experimentally investigate other ternary and more
complex reversible reciprocal systems should take this fact into account.

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