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http://idr.niser.ac.in:8080/jspui/handle/123456789/1137| Title: | Evidence of the spin glass state in (Bi1.88Fe 0.12)(Fe1.42Te0.58)O6.87 pyrochlore |
| Authors: | Babu, Gunda Santosh Bedanta, Subhankar |
| Keywords: | A. Pyrochlores A. Spin glasses D. Memory effect D. Rejuvenation effect |
| Issue Date: | Mar-2013 |
| Publisher: | Solid State Communications |
| Citation: | Babu, G. S., Bedanta, S., & Valant, M. (2013). Evidence of the spin glass state in (Bi1.88Fe0.12)(Fe1.42Te0.58)O6.87 pyrochlore. In Solid State Communications (Vol. 158, pp. 51–53). Elsevier BV. |
| Abstract: | The (Bi1.88Fe0.12)(Fe1.42Te0.58)O6.87 pyrochlore with very high Fe content undergoes a transition to the spin glass state at its glass temperature Tg 21 K. The spin glass state in this compound has been evidenced by demonstrating the so-called ‘‘memory effect’’ in the zero-field-cooled magnetization. The memory effect is clearly observed at temperatures below Tg and no such effect can be observed above Tg. Further, the ‘‘rejuvenation’’ effect, has clearly been observed, which evidences the chaotic nature of the spin glass state. A possible origin of such glassy state is discussed. |
| URI: | https://doi.org/10.1016/j.ssc.2012.11.025 http://idr.niser.ac.in:8080/jspui/handle/123456789/1137 |
| Appears in Collections: | Journal Papers |
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