Some physical properties of GeAsSe infrared optical glasses

Experimental characterization of amorphous As–Se–Sb alloys

“…Extrapolation of the present density data of Fig. 2 to the value at x = 0, gives q s = 4.53 g/cc for the As 30 Se 70 glass, which is in good agreement with that reported previously by Webber and Savage [14]. Also the measured q s value for the As 30 Se 60 Sb 10 sample (4.78 g/cc), agrees with the calculated value (4.75 g/cc) based on the volume additive, using 4.55 g/cc and 5.35 g/cc as the density values for the As 2 Se 3 and Sb 2 Se 3 alloys, respectively [2].…”

“…3 that T p and (T o À T g ), which represents the thermal stability of the glass decrease while T g increases with increasing Sb con- Compositional dependence of the measured bulk density of the As 30 Se 70Àx Sb x glasses. The calculated density (m), based on the volume additive method, of the As 30 Se 60 Sb 10 alloy and the reported density (j) [14] of As 30 Se 70 are also shown. tent.…”

Measurement of the viscosity of chalcogenide glasses by a parallel plate technique

“…The differential scanning calorimeter was used to measure Tg (viscosity= 1013"3P) as previously described [8] while thethermomechanicalanalyser (TMA) was used to measure viscosity. Each Chalcogenide glass sample was sandwiched between two plane parallel silica glass plates l mm thick and 10mm diameter in the base of the TMA as shown in Fig.…”

Building block modeling technique: Application to ternary chalcogenide glasses g-Ge2As4SeCai1, Zhang2, Drabold3 2011Phys. Rev. B

“…Owing to promising optoelectronic and electronic features [1][2][3] , chalcogenide glasses have drawn extensive attention during last decade. However, the lack of translational periodicity makes it hard to predict the microscopic structure of these glasses.…”