| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 8152719 | Journal of Magnetism and Magnetic Materials | 2018 | 7 Pages |
Abstract
The magnetization (both dc and ac) of pyrochlore Eu2Ti2O7 have been investigated. Ac susceptibility (Ï/ & Ï//) measurements reveal a new unusual spin freezing below 35â¯K for pure Eu2Ti2O7. Frequency dependence of these ac Ï// peak positions indicate slow spin relaxation near this temperature and it follows the Arrhenius formula suggesting a thermally activated relaxation process. The origin of this spin freezing has been attributed essentially to a single ion process which is associated to Eu3+ spin relaxation. Non-magnetic dilution by Y3+ ions also confirms the single ion freezing.
Keywords
Related Topics
Physical Sciences and Engineering
Physics and Astronomy
Condensed Matter Physics
Authors
Arkadeb Pal, Abhishek Singh, A.K. Ghosh, Sandip Chatterjee,