Roy, S. B. ; Chattopadhyay, M. K. ; Chaddah, P. ; Moore, J. D. ; Perkins, G. K. ; Cohen, L. F. ; Gschneidner, K. A. ; Pecharsky, V. K. (2006) Evidence of a magnetic glass state in the magnetocaloric material Gd5Ge4 Physical Review B: Condensed Matter and Materials Physics, 74 (1). 012403_1-012403_4. ISSN 1098-0121
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Official URL: http://prb.aps.org/abstract/PRB/v74/i1/e012403
Related URL: http://dx.doi.org/10.1103/PhysRevB.74.012403
Abstract
We demonstrate the kinetic arrest of the first-order phase transition from the high-temperature antiferromagnetic state to the ferromagnetic ground state in zero and low applied magnetic fields, occurring within the experimental time scale in the magnetocaloric material Gd5Ge4. A magnetization study clearly reveals glasslike dynamics in the low-temperature antiferromagnetically ordered state. The observation of a glasslike magnetic state is unusual, but we expect that a similar phenomenon should exist in other magnetic systems.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to The American Physical Society. |
| ID Code: | 84470 |
| Deposited On: | 25 Feb 2012 13:58 |
| Last Modified: | 25 Feb 2012 13:58 |
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