The order parameters and their importance in materials modeling problems | [Nucleus • 2011]

Author(s):

1. B. A. Hasan: Pakistan Institute of Engineering and Applied Sciences (PIEAS), P.O. Nilore, Islamabad, Pakistan

2. N. H. Tariq: Pakistan Institute of Engineering and Applied Sciences (PIEAS), P.O. Nilore, Islamabad, Pakistan

3. H. R. N. Shahid: Pakistan Institute of Engineering and Applied Sciences (PIEAS), P.O. Nilore, Islamabad, Pakistan

4. F. Ali: Pakistan Institute of Engineering and Applied Sciences (PIEAS), P.O. Nilore, Islamabad, Pakistan

Abstract:

The order /disorder phenomena is important in many branches of science especially metallurgy and solid state physics because the transformation is accompanied by changes in many physical properties. In the last several decades many mathematical models of order parameters have been proposed by the scientific community that could better describe the phenomenon. However, due to the subtle but important differences in the definition of an order parameter as adopted by physicist, metallurgists, chemists, thermo-dynamics, and computer scientist an odd-complexity and abstraction has unintentionally crept in. A brief review is hereby presented of the several prevailing definitions of order parameters to highlight the use of this term as it is used in materials modeling. The work of the authors is presented that is related with the predicting the pair correlations for quasi-chemical treatment of binary alloy system. The mathematical models chosen cover the range from random to order solid solution.

Page(s): 23-30

DOI: DOI not available

Published: Journal: Nucleus, Volume: 48, Issue: 1, Year: 2011

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