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dc.contributor.authorShih, H. C.en_US
dc.contributor.authorChen, L. Y.en_US
dc.contributor.authorLuo, C. W.en_US
dc.contributor.authorWu, K. H.en_US
dc.contributor.authorLin, J-Yen_US
dc.contributor.authorJuang, J. Y.en_US
dc.contributor.authorUen, T. M.en_US
dc.contributor.authorLee, J. M.en_US
dc.contributor.authorChen, J. M.en_US
dc.contributor.authorKobayashi, T.en_US
dc.date.accessioned2019-04-03T06:36:40Z-
dc.date.available2019-04-03T06:36:40Z-
dc.date.issued2011-05-03en_US
dc.identifier.issn1367-2630en_US
dc.identifier.urihttp://dx.doi.org/10.1088/1367-2630/13/5/053003en_US
dc.identifier.urihttp://hdl.handle.net/11536/150298-
dc.description.abstractIn this paper, the photo-induced ultrafast thermoelastic dynamics of hexagonal HoMnO3 single crystals has been studied by using optical pump-probe spectroscopy. The thermoelastic effect in the ab-plane of hexagonal HoMnO3, associated with giant magnetoelastic coupling around the Neel temperature (T-N), is intimately correlated to the emergence of a negative component in the transient reflectivity changes (Delta R/R) obtained in temperature-dependent pump-probe experiments. Moreover, the variation in the oscillation period in Delta R/R caused by a strain pulse propagating along the c-axis exhibits an abrupt drop around T-N, presumably due to the antiferromagnetic-ordering-induced changes in ferroelectricity.en_US
dc.language.isoen_USen_US
dc.titleUltrafast thermoelastic dynamics of HoMnO3 single crystals derived from femtosecond optical pump-probe spectroscopyen_US
dc.typeArticleen_US
dc.identifier.doi10.1088/1367-2630/13/5/053003en_US
dc.identifier.journalNEW JOURNAL OF PHYSICSen_US
dc.citation.volume13en_US
dc.citation.spage0en_US
dc.citation.epage0en_US
dc.contributor.department電子物理學系zh_TW
dc.contributor.department物理研究所zh_TW
dc.contributor.departmentDepartment of Electrophysicsen_US
dc.contributor.departmentInstitute of Physicsen_US
dc.identifier.wosnumberWOS:000290152700003en_US
dc.citation.woscount20en_US
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