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ORIGINS OF COMPOSITIONAL ORDER IN NIPT ALLOYS
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UNSPECIFIED (1991) ORIGINS OF COMPOSITIONAL ORDER IN NIPT ALLOYS. PHYSICAL REVIEW LETTERS, 66 (6). pp. 766-769. ISSN 0031-9007
Full text not available from this repository.Abstract
We investigate the cause of compositional ordering in fcc Ni0.50Pt0.50 on the basis of a first-principles theory of electronic structure and finite-temperature concentration fluctuations. We treat the size effect, electronegativity, and band filling on an equal footing and find that the first of these dominates, leading to L 1(0) ordering in agreement with experiment. An electronic origin is given for the metallurgical "rule of thumb" that alloys comprised of big atoms and little atoms tend to order into simple structures.
| Item Type: | Journal Article |
|---|---|
| Subjects: | Q Science > QC Physics |
| Journal or Publication Title: | PHYSICAL REVIEW LETTERS |
| Publisher: | AMERICAN PHYSICAL SOC |
| ISSN: | 0031-9007 |
| Date: | 11 February 1991 |
| Volume: | 66 |
| Number: | 6 |
| Number of Pages: | 4 |
| Page Range: | pp. 766-769 |
| Publication Status: | Published |
| URI: | http://wrap.warwick.ac.uk/id/eprint/22871 |
Data sourced from Thomson Reuters' Web of Knowledge
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