Solid state reactions in the quasibinary system <span class="math"><math><mtext>Ga</mtext><msub><mi></mi><mn>2</mn></msub><mtext>Te</mtext><msub><mi></mi><mn>3</mn></msub><mtext>CdTe</mtext></math></span>期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

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Solid state reactions in the quasibinary system $Ga_{2} Te_{3} CdTe$

Authors:	M Bredol V Leute

Institution:	Institut für Physikalische Chemie der Universität Münster, Schloßplatz 4, D-4400 Münster, Federal Republic of Germany

Abstract:	The quasibinary system $Ga_{2} Te_{3} CdTe$ was investigated in order to derive its thermodynamic and kinetic properties. The phase diagram between 750 and 1000 K was obtained from powder X-ray photographs. The results suggest an order-disorder transition in the phase CdGa₂Te₄. Reactions were carried out between single crystals of Ga₂Te₃ and CdTe, between CdTe and CdGa₂T₄, and between Ga₂Te₃ and CdGa₂Te₄. Reaction profiles and growth kinetics were determined by electron microprobe analysis. The morphology of the reaction layer is discussed with respect to the phase diagram and the varying concentration of structural vacancies and their ordering in the product phase CdGa₂Te₄.

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