Evidence for a Ferromagnet—Spin-Glass Transition in
- 27 February 1978
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 40 (9), 586-589
- https://doi.org/10.1103/physrevlett.40.586
Abstract
Measurements of the low-field ac susceptibility on ternary alloys of Pd + 0.35 at.% Fe and a Mn concentration of 0 to 8 at.% reveal, for three distinct regimes of Mn concentration, (a) a giant-moment ferromagnetism, (b) a high-temperature ferromagnetic phase followed by a lower-temperature spin-glass transition, and (c) a spin-glass phase. Our results for the susceptibility and the phase diagram are satisfactorily explained by the spin-glass theory of Sherrington and Kirkpatrick.
Keywords
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