Glass transition and crystallization of Se 95 Te 5 chalcogenide glassy semiconductor

被引：0
|
作者：
Atayeva, S. U. [1 ,2 ]
Isayev, A. I. [1 ]
Mekhtiyeva, S. I. [1 ]
Garibova, S. N. [1 ,3 ]
Alekberov, R. I. [1 ,4 ]
Mammadov, F. N. [5 ]
机构：
[1] Minist Sci & Educ Republ Azerbaijan, Inst Phys, Baku 1143, Azerbaijan
[2] Natl Aviat Acad, Dept Gen & Appl Phys, Baku 1045, Azerbaijan
[3] Khazar Univ, Dept Phys & Elect, Baku 1096, Azerbaijan
[4] Azerbaijan State Econ Univ UNEC, Baku 1001, Azerbaijan
[5] Socar Midstream Operat LLC, Baku, Azerbaijan
来源：
CHALCOGENIDE LETTERS | 2024年 / 21卷 / 04期
关键词：
Chalcogenide; Glass transition temperature; Crystallization; Fragility index; AMORPHOUS SELENIUM; STRUCTURAL RELAXATION; PHASE-CHANGE; HEATING RATE; TEMPERATURE; DEPENDENCE; TRANSFORMATION; BEHAVIOR; KINETICS;
D O I：
10.15251/CL.2024.214.355
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The study is dedicated to the investigation of thermo-physical characteristics of Se 95 Te 5 chalcogenide glassy semiconductor during its glass formation and crystallization processes, employing various scanning rates of 5, 10, 15 and 20 K/min in non -isothermal modes through DSC measurement. Analysis of the structural relaxation kinetics involves the Kissinger's, Augis and Bennett's, as well as Matusita's approaches. Experimental data yield contains the determination of crucial parameters such as glass transition ( T g ), crystallization ( T , ), and melting temperatures alongside factors like reduced temperature of glass transition ( T rg ), Hruby's parameter ( K g i ), fragility index ( F 1 ), Avrami exponents (n, m), glass transition (140.24 kJ/mol) and crystallization (E c = 95.11 kJ/mol) energies, respectively. The results confirm that Se 95 Te 5 chalcogenide system as an efficient glass former. Matusita's method reveals that the crystallization mechanism (n = 2.51, m = 1.9) corresponds to volumetric nucleation with two-dimensional growth.
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收藏
页码：355 / 363
页数：9
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