High temperature spin-freezing transition in pyrochlore Eu2Ti2O7: A new observation from ac-susceptibility

dc.contributor.author	Pal, Arkadeb
dc.contributor.author	Singh, Abhishek
dc.contributor.author	Ghosh, A.K.
dc.contributor.author	Chatterjee, Sandip
dc.date.accessioned	2021-02-10T06:20:31Z
dc.date.available	2021-02-10T06:20:31Z
dc.date.issued	2018-09-15
dc.description.abstract	The magnetization (both dc and ac) of pyrochlore Eu2Ti2O7 have been investigated. Ac susceptibility (χ/ & χ//) measurements reveal a new unusual spin freezing below 35 K for pure Eu2Ti2O7. Frequency dependence of these ac χ// 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. © 2018 Elsevier B.V.	en_US
dc.identifier.issn	03048853
dc.identifier.uri	https://idr-sdlib.iitbhu.ac.in/handle/123456789/1298
dc.language.iso	en_US	en_US
dc.publisher	Elsevier B.V.	en_US
dc.relation.ispartofseries	Journal of Magnetism and Magnetic Materials;Vol. 462
dc.subject	Pyrochlore oxide	en_US
dc.subject	Geometrical spin frustration	en_US
dc.subject	Single ion anisotropy	en_US
dc.subject	Spin freezing	en_US
dc.title	High temperature spin-freezing transition in pyrochlore Eu2Ti2O7: A new observation from ac-susceptibility	en_US
dc.type	Article	en_US

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