First and second phase transition discovery in amorphous chalcogenide Se60Te30S10 composition
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Abstract
Abstract The Amorphous composition Se60Te30S10 was prepared by the quenching technique. XRD and IR results show an amorphous composition imbedded with Nano-crystallites, and hygroscopic nature of the composition. The (DTA) indicated existence of Tg at 319 K, and a complex peak consists of two overlapped crystallization peaks at 392 K and 403 K. Two endothermic minima at 481 K and at 738 K are observed by DTA, which ensures that the Se60Te30S10 composition is a solid solution. The crystallization activation energy is found equal to 0.77 eV. The (DSC) results list two endothermic peaks 1st one is a second order phase transition at T1 = 229 K, 2nd one is first order phase transition peak at T2 = 268 K. The dielectric properties results reveal the non-Debye relaxation character of present composition. A. C. conductivity analysis results by (SLPL) law reveal that, the (CBH) is the proper mechanism to explain the conductivity in the Se60Te30S10 composition.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Phase-change materials and chalcogenides · Solid-state spectroscopy and crystallography · Crystal Structures and Properties
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
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