Sherlekar, Gowri S. ; Srivastava, C. M. ; Ramakrishnan, S. ; Chandra, G. (1988) Interaction mechanisms contributing to spin-glass freezing in Au-Cu-Mn alloys Physical Review B: Condensed Matter and Materials Physics, 38 (1). pp. 720-724. ISSN 1098-0121
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Official URL: http://prb.aps.org/abstract/PRB/v38/i1/p720_1
Related URL: http://dx.doi.org/10.1103/PhysRevB.38.720
Abstract
Low-field ac susceptibility measurements on Au-Cu-Mn alloys have been made to determine the spin-glass freezing temperatures as a function of the Au-Cu ratio and the magnetic-atom concentration. The studies reveal that the interaction mechanisms responsible for spin freezing include both mean-free-path and anisotropy effects. A quantitative analysis of the contribution from these two effects has been made for samples with 1 and 8 at. % Mn. For samples with fixed Au and varying Mn concentration, it has been shown that mean-free-path effects account for the change in the freezing temperature. A comparison of our results with pressure studies of the freezing temperature of CuMn has been made.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to The American Physical Society. |
| ID Code: | 40907 |
| Deposited On: | 25 May 2011 11:33 |
| Last Modified: | 25 May 2011 11:33 |
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