Formation and structure of crystalline inclusions in As2S3–SbSI and As2Se3–SbSI systems glass matrices

Abstract

The main aim of the study presented in this paper is the investigation of the structure of (As2S3)100−x(SbSI)x and (As2Se3)100−x(SbSI)x (0 ≤ × ≤ 40) glasses by Raman spectroscopy and X-ray methods, also the nature of the crystalline inclusions which arise up in their matrix at heat treatment. We have found that in conditions of continuous heating in the interval “glassforming temperature–crystallization temperature” a crystallization with predominant mechanism of stable phase SbSI separation is taking place. The formation mechanism of crystalline inclusions of antimony sulphoiodide in glass matrix is discussed in the light of our results. It was established that all investigated glasses have a nano-heterogeneous structure.