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Please use this identifier to cite or link to this item: https://scholarbank.nus.edu.sg/handle/10635/97747
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dc.titleRaman study of the soft mode in ferroelectric PbDPO 4
dc.contributor.authorLockwood, D.J.
dc.contributor.authorOhno, N.
dc.contributor.authorKuok, M.H.
dc.contributor.authorArend, H.
dc.date.accessioned2014-10-16T09:38:51Z
dc.date.available2014-10-16T09:38:51Z
dc.date.issued1986-04-20
dc.identifier.citationLockwood, D.J., Ohno, N., Kuok, M.H., Arend, H. (1986-04-20). Raman study of the soft mode in ferroelectric PbDPO 4. Journal of Physics C: Solid State Physics 19 (11) : L233-L237. ScholarBank@NUS Repository.
dc.identifier.issn00223719
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/97747
dc.description.abstractThe low-frequency Raman spectrum of PbDPO 4 has been studied as a function of temperature between 10 and 484K (T C ≃450K). A soft mode was observed whose frequency exhibits a weak temperature dependence (from 79.5 cm -1 at 10K to about 67 cm -1 at TC). Comparison with results from earlier measurements of the equivalent mode in PbHPO 4 shows that it cannot be the tunnelling mode predicted by theory. The authors conclude that the soft mode does not drive the ferroelectric transition in either PbHPO 4 or PbDPO 4. © 1986 The Institute of Physics.
dc.sourceScopus
dc.typeArticle
dc.contributor.departmentPHYSICS
dc.description.sourcetitleJournal of Physics C: Solid State Physics
dc.description.volume19
dc.description.issue11
dc.description.pageL233-L237
dc.identifier.isiutA1986A986400005
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