Observation of Meyer-Neldel rule in Se100-XM(M=In, Sb)X chalcogenide glasses

Cosmas M. Muiva; T. S. Sathiaraj; Julius M. Mwabora; Kelebogile Maabong

doi:10.1016/j.ceramint.2014.10.045

Observation of Meyer-Neldel rule in Se_100-XM(M=In, Sb)_X chalcogenide glasses

Cosmas M. Muiva, T. S. Sathiaraj, Julius M. Mwabora, Kelebogile Maabong

Physics & Astronomy

Research output: Contribution to journal › Article › peer-review

4 Citations (Scopus)

Abstract

Non-isothermal Differential Scanning Calorimetric (DSC) studies were done on Se_100-XM(M=In, Sb)_X chalcogenide glasses prepared by the melt quenching technique. The composition-dependent activation energy for glass to crystal transformation (ΔE_c) and the pre-exponential factor (K_o) of the Arrhenius expression were obtained on the basis of the Augis and Bennett's method. A linear dependence between ΔE_c and lnK₀ was observed in both systems implying the existence of compensation effects of the Meyer-Neldel type. These compensation effects confirmed the applicability of Meyer-Neldel Rule (MNR) for the non-isothermal crystallization in the present systems.

Original language	English
Pages (from-to)	2348-2352
Number of pages	5
Journal	Ceramics International
Volume	41
Issue number	2
DOIs	https://doi.org/10.1016/j.ceramint.2014.10.045
Publication status	Published - Jan 1 2015

All Science Journal Classification (ASJC) codes

Ceramics and Composites
Process Chemistry and Technology
Electronic, Optical and Magnetic Materials
Surfaces, Coatings and Films
Materials Chemistry

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title = "Observation of Meyer-Neldel rule in Se100-XM(M=In, Sb)X chalcogenide glasses",

abstract = "Non-isothermal Differential Scanning Calorimetric (DSC) studies were done on Se100-XM(M=In, Sb)X chalcogenide glasses prepared by the melt quenching technique. The composition-dependent activation energy for glass to crystal transformation (ΔEc) and the pre-exponential factor (Ko) of the Arrhenius expression were obtained on the basis of the Augis and Bennett's method. A linear dependence between ΔEc and lnK0 was observed in both systems implying the existence of compensation effects of the Meyer-Neldel type. These compensation effects confirmed the applicability of Meyer-Neldel Rule (MNR) for the non-isothermal crystallization in the present systems.",

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T1 - Observation of Meyer-Neldel rule in Se100-XM(M=In, Sb)X chalcogenide glasses

AU - Muiva, Cosmas M.

AU - Sathiaraj, T. S.

AU - Mwabora, Julius M.

AU - Maabong, Kelebogile

PY - 2015/1/1

Y1 - 2015/1/1

N2 - Non-isothermal Differential Scanning Calorimetric (DSC) studies were done on Se100-XM(M=In, Sb)X chalcogenide glasses prepared by the melt quenching technique. The composition-dependent activation energy for glass to crystal transformation (ΔEc) and the pre-exponential factor (Ko) of the Arrhenius expression were obtained on the basis of the Augis and Bennett's method. A linear dependence between ΔEc and lnK0 was observed in both systems implying the existence of compensation effects of the Meyer-Neldel type. These compensation effects confirmed the applicability of Meyer-Neldel Rule (MNR) for the non-isothermal crystallization in the present systems.

AB - Non-isothermal Differential Scanning Calorimetric (DSC) studies were done on Se100-XM(M=In, Sb)X chalcogenide glasses prepared by the melt quenching technique. The composition-dependent activation energy for glass to crystal transformation (ΔEc) and the pre-exponential factor (Ko) of the Arrhenius expression were obtained on the basis of the Augis and Bennett's method. A linear dependence between ΔEc and lnK0 was observed in both systems implying the existence of compensation effects of the Meyer-Neldel type. These compensation effects confirmed the applicability of Meyer-Neldel Rule (MNR) for the non-isothermal crystallization in the present systems.

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