Positron annihilation study of Al63Cu25Fe12 as a ...
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| Title | Positron annihilation study of Al63Cu25Fe12 as a function of thermal treatment |
| Author(s) | D. Lawther, R. Dunlap |
| Journal | Journal of Non-Crystalline Solids |
| Date | 1993 |
| Volume | 153 |
| Issue | |
| Start page | 611 |
| End page | 614 |
| Abstract | A polycrystalline sample of Al63Cu25Fe12 has been studied as a function of thermal treatment by positron annihilation and X-ray diffraction techniques. Results suggest the presence of an icosahedral-to-rhombohedral microcrystalline phase transition near 300-degrees-C. Below this transition, a large increase in the annihilation line shape parameter S is observed, indicating significant localisation of the annihilating positrons. Above the transition, a small elevation in the S parameter value persists up to approximately 700-degrees-C. These results are discussed in terms of possible structural changes in the sample. |
| ISSN | 0022-3093 |
Using APA 6th Edition citation style.
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