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Four phases [α(H), α(R), β(R) and γ(H)], with a composition In 2 Se 3 , were isolated and their transition temperature determined prior to the study of the phase equilibrium in the section In 2 Se 3 -PbSe. Two cross sections of the ternary Pb-In-Se: InSe-PbSe and In 2 Se 3 -PbSe were studied using thermal analysis, X-ray diffraction crystallography...
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