Kinetics of the glass transition in Se72Te23Sb5 chalcogenide glass: Variation of the activation energy

Non-isothermal crystallization kinetic study on Ga15Se85−xAgx chalcogenide glasses by using differential scanning calorimetry

“…It is obvious from the Table 2 that the value of E c is maximum for Ga 15 Se 77 Ag 8 , which indicates that speed of rate of crystallization, is faster with Ag at 8% in the present system. The activation energy of glass transition (E g ) for Ga 15 Se 85−x Ag x chalcogenide glasses can be calculated by using Kissinger's Eq. (13) as, It is evident from this equation that a plot of ln(ˇ/T 2 g ) against 1000/T g should be a straight line, which is shown in Fig.…”

“…(15) and (19) into Eq. (16) we get For E c /RT 1, the value of right hand side of above equation approaches to its maximum limit and consequently u at the peak = 1, that is…”

“…Under this conditions, the Avrami exponent (n) and the effective activation energy (E c ) should be constant during the transformation process. Several studies of crystallization kinetics in binary and ternary chalcogenide glasses by non-isothermal DSC methods have been widely discussed in the literature [15][16][17][18][19][20][21][22][23][24][25][26][27]. For example, Mehta et al [20] have studied a comparative analysis of thermal crystallization in Cu-Ti and Cu-Zr metallic glasses.…”

Electrical Resistivity Change of SeTeAg Compositions to Thermal and Pressure as Stress

“…But, still a lot is to be known yet for Nano crystalline semiconductors to facilitate these materials to be used in Low Power Electronics. Chalcogenide semiconductors are nowadays widely used in medical, defense and consumer electronics as applied to the fields of xerography, holography, optical sensors and filters, waveguides, industrial switches and many more applications [1,2]. Thin films of chalcogens are more prominently used in Infrared optics as these help in energy management and night vision [3].…”

Isothermal section at 1100°C of the Fe–Ni–Ta system

“…A large number of novel amorphous alloy systems based on various elements had been developed recently [2][3][4][5][6][7][8]. Many studies on the glass transition and crystallization process, glass forming ability (GFA) and the correlation between the GFA and the thermodynamics of glassy alloys had been conducted extensively [9][10][11][12][13][14]. Fe-Ni-Ta system had received attention because it was relevant for the amorphous, magnetic head, and corrosion-resistant steel materials [15][16][17][18][19][20][21][22].…”