By Robert Fairman and Boris Ushkov (Eds.)
Chalcogenide glass is made from many components from the Chalcogenide team. The glass is obvious to infrared mild and comes in handy as a semiconductor in lots of digital units. for instance, chalcogenide glass fibers are an element of units used to accomplish laser surgical procedure. This publication is a finished survey of the present kingdom of technological know-how and expertise within the box of chalcogenide semiconductor glasses. whereas the vast majority of the ebook offers with houses of chalcogenide glass, chapters additionally take care of commercial functions, synthesis and purification of chalcogenide glass, and glass structural amendment. the 1st person or collective monograph written via japanese eu scientists identified to Western readers concerning structural and chemical adjustments in chalcogenide vitreous semiconductors(CVS)Chapters written through B.G. Kolomiets who stumbled on the homes of chalcogenide glass in 1955Provides facts and dialogue for difficulties mentioned through authors from opposing positions.
Read or Download Semiconducting Chalcogenide Glass IGlass Formation,Structure, and Stimulated Transformations in Chalcogenide Glasses PDF
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Extra resources for Semiconducting Chalcogenide Glass IGlass Formation,Structure, and Stimulated Transformations in Chalcogenide Glasses
Timoshenkov Fig. 6. Phase diagrams and glass-formation regions (bold lines, rhombs) in systems AIVA –BVI (Minaev, 1991). Glass-Formation in Chalcogenide Systems and Periodic System 25 – in binary telluride systems, glass-formation regions become smaller in the row silicon – germanium – tin; – glass-formation regions become smaller at transition from binary selenide systems with silicon and germanium to telluride system with the same elements. Several inversions of the regular GFA decrease with increase in atomic numbers deviate against this tendency, according to Minaev (1981a): glass-formation regions in the system Si –S are smaller at comparable conditions than those in systems Si – Se and Ge – S, and the glass-formation region in the system Ge – Se is larger than those in systems Ge – S and Si – Se.
Timoshenkov regular inversions (Minaev, 1979, 1980c, 1981, 1991), suggested the possibility of glassformation in binary chalcogenide systems with other subgroups of the periodic table, and IA – chalcogen systems, in particular. % Sb2S3 (Salov, Lazarev and Berul, 1977), and that Cs2S was obtained in the vitreous state. Later, the alloys’ tendency toward glass-formation was described by Chuntonov et al. (1982) in work concerning investigations of the equilibrium diagram of the Cs – Te system. Despite extremely limited experimental data on glass-formation in binary system IA– chalcogen, Minaev (1985) considered the possibility of the systematic glass-formation in the whole set of chalcogenide systems with elements of IA subgroup of the periodic table.
6) that in Ga – Te and As –Te, some compositions with higher liquidus temperatures are distinguished with greater glass-formation ability than those of neighboring compositions that have lower Tliq and eutectic alloys. For similar cases, the following ‘rule of a gentle sloping liquidus’ can be formulated, which is a signiﬁcant addition and correction to the liquidus temperature effect and the eutectic law as well as to Kumanin – Mukhin’s rule. In systems in which the glass-formation region is located near the eutectic or includes the eutectic and expands in the direction to the chemical composition connected with the eutectic by the gentle sloping liquidus curve, the GFA can increase (and the crystallization ability can decrease) at motion from the eutectic to this chemical composition if the covalent –ion binding of alloys increases in this direction to a greater extent than the thermal energy of the system, of which the rate of increase is determined by the steepness of the liquidus curve.
Semiconducting Chalcogenide Glass IGlass Formation,Structure, and Stimulated Transformations in Chalcogenide Glasses by Robert Fairman and Boris Ushkov (Eds.)