| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 1596280 | Solid State Communications | 2007 | 5 Pages |
Abstract
We report magnetic and photomagnetic studies on polycrystalline Nd0.7Sr0.3CoO3. Strong irreversibility in field cooled and zero field cooled data is observed. The hysteresis plot exhibits a very high coercivity at low temperatures. On photon irradiation, a decrease in the coercivity and an irreversible magnetization enhancement are observed. The analysis of all these data suggest that microscopic phase separation of competing ferromagnetism and antiferromagnetism and/or light-induced spin conversion processes among low, intermediate and high spin states of cobalt ions are responsible for all the properties.
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Materials Science
Materials Science (General)
Authors
D. Bahadur, Saket Asthana, C. Carbonera, C. Desplanches, J.-F. Létard,