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Master-equation approach to the study of phase-change processes in data storage media

Citation

Blyuss, KB and Ashwin, P and Bassom, AP and Wright, CD, Master-equation approach to the study of phase-change processes in data storage media, Physical Review E (Statistical, Nonlinear, and Soft Matter Physics), 72 pp. 1-8. ISSN 1539-3755 (2005) [Refereed Article]


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Copyright Statement

Copyright 2005 The American Physical Society

DOI: doi:10.1103/PhysRevE.72.011607

Abstract

We study the dynamics of crystallization in phase-change materials using a master-equation approach in which the state of the crystallizing material is described by a cluster size distribution function. A model is developed using the thermodynamics of the processes involved and representing the clusters of size two and greater as a continuum but clusters of size one monomers as a separate equation. We present some partial analytical results for the isothermal case and for large cluster sizes, but principally we use numerical simulations to investigate the model. We obtain results that are in good agreement with experimental data and the model appears to be useful for the fast simulation of reading and writing processes in phase-change optical and electrical memories.

Item Details

Item Type:Refereed Article
Research Division:Mathematical Sciences
Research Group:Applied Mathematics
Research Field:Theoretical and Applied Mechanics
Objective Division:Expanding Knowledge
Objective Group:Expanding Knowledge
Objective Field:Expanding Knowledge in the Mathematical Sciences
Author:Bassom, AP (Professor Andrew Bassom)
ID Code:107350
Year Published:2005
Web of Science® Times Cited:9
Deposited By:Mathematics and Physics
Deposited On:2016-03-11
Last Modified:2016-08-11
Downloads:42 View Download Statistics

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