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The transformation behaviors of Sb-rich chalcogenide alloys with composition ratio of element group 14 to Sb ranged from 0.46 to 0.17 were investigated. The constant heating rate and isothermal annealings are applied to evaluate the transformation. The crystallization temperature at both annealing measurements increases with the ratio of element group 14 to Sb decrease. The activation energies determined from both annealing methods are similar. The Avrami exponents, ranged between 1.7 and 2.4, are extra values obtained from the isothermal measurements. The 2-D growth dominant mechanism is implied by the decided Avrami exponent values. Sb rhombohedral and Sb 7 Te are the major crystallized phases observed for four compositions and SnTe and InTe phases are mixed among the major phase matrix when samples are annealed at 250 o C for 30 min. The phase changed alloys have potential applications in the thermal sensor materials beside in the optical and electrical memory materials.

Phase Transformation Behaviors of Sb-rich Chalcogenide Films under Isothermal and Constant Heating Rate Annealings