Se70Te20Cd10硫族化物玻璃的热动力学和玻璃稳定性准则

IF 1.3 4区材料科学 Q3 CRYSTALLOGRAPHY

Phase Transitions Pub Date : 2023-07-04 DOI:10.1080/01411594.2023.2229932

A. Farid

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引用次数: 0

摘要

摘要介绍并分析了Se70Te20Cd10玻璃在非等温条件下的差热分析结果。加热速率影响玻璃化转变温度（Tg）、结晶起始温度（Tc）和结晶峰值温度（Tp）。计算了玻璃化转变活化能（Eg）、结晶活化能（Ec）、赫尔比数（Hr）和有序参数（n）。结果表明，结晶速率与当前组合物的热稳定性和玻璃形成能力有关。结果表明组合物Se70Te20Cd10根据Avrami指数（n）的二维展开。

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Thermal kinetics and glass stability criteria of the Se70Te20Cd10 chalcogenide glass

ABSTRACT The results of differential thermal analysis of the Se70Te20Cd10 glass under non-isothermal settings are presented and analyzed. The heating rate affects the temperature of the glass transition (Tg ), the onset temperature of crystallization (Tc ) and the peak temperature of crystallization (Tp ). The glass transition activation energy (Eg ), the crystallization activation energy (Ec ), the Hurby number (Hr ) and the order parameter (n) were all calculated. The results show that the rate of crystallization is connected to heat stability and glass-forming capabilities for the current composition. The results indicate two-dimensional development for the composition Se70Te20Cd10 in accordance with the Avrami exponent (n).

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来源期刊

Phase Transitions 物理-晶体学

CiteScore

3.00

自引率

6.20%

发文量

审稿时长

1.4 months

期刊介绍： Phase Transitions is the only journal devoted exclusively to this important subject. It provides a focus for papers on most aspects of phase transitions in condensed matter. Although emphasis is placed primarily on experimental work, theoretical papers are welcome if they have some bearing on experimental results. The areas of interest include: -structural phase transitions (ferroelectric, ferroelastic, multiferroic, order-disorder, Jahn-Teller, etc.) under a range of external parameters (temperature, pressure, strain, electric/magnetic fields, etc.) -geophysical phase transitions -metal-insulator phase transitions -superconducting and superfluid transitions -magnetic phase transitions -critical phenomena and physical properties at phase transitions -liquid crystals -technological applications of phase transitions -quantum phase transitions Phase Transitions publishes both research papers and invited articles devoted to special topics. Major review papers are particularly welcome. A further emphasis of the journal is the publication of a selected number of small workshops, which are at the forefront of their field.