Glass transition within cluster variation and path probability methods

Tetsuo Mohri

doi:10.2320/matertrans.46.1180

Glass transition within cluster variation and path probability methods

Tetsuo Mohri

Institute for Materials Research (IMR)

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

4 Citations (Scopus)

Abstract

Thermodynamic framework of Crystal-Glass transition is described within the Cluster Variation Method (CVM). Free energy is calculated as a function of order parameter at various temperatures and T₀ diagram is obtained. It is demonstrated that the glass transition temperature can be interpreted as the spinodal ordering temperature in the order-disorder transition. The advantage of the present description is that the kinetic behavior can be investigated within the same framework by employing Path Probability Method (PPM). Therefore, the combination of the CVM and PPM provides a unique theoretical tool to study Crystal-Glass transition in a consistent manner covering thermodynamics and kinetics.

Original language	English
Pages (from-to)	1180-1186
Number of pages	7
Journal	Materials Transactions
Volume	46
Issue number	6
DOIs	https://doi.org/10.2320/matertrans.46.1180
Publication status	Published - 2005 Jun

Keywords

Cluster variation method
First order transition
Glass transition
Path probability method
T -diagram

ASJC Scopus subject areas

Materials Science(all)
Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering

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10.2320/matertrans.46.1180

Cite this

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keywords = "Cluster variation method, First order transition, Glass transition, Path probability method, T -diagram",

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AB - Thermodynamic framework of Crystal-Glass transition is described within the Cluster Variation Method (CVM). Free energy is calculated as a function of order parameter at various temperatures and T0 diagram is obtained. It is demonstrated that the glass transition temperature can be interpreted as the spinodal ordering temperature in the order-disorder transition. The advantage of the present description is that the kinetic behavior can be investigated within the same framework by employing Path Probability Method (PPM). Therefore, the combination of the CVM and PPM provides a unique theoretical tool to study Crystal-Glass transition in a consistent manner covering thermodynamics and kinetics.

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KW - First order transition

KW - Glass transition

KW - Path probability method

KW - T -diagram

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Glass transition within cluster variation and path probability methods

Abstract

Keywords

ASJC Scopus subject areas

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