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dc.contributor.authorLuo, C. W.en_US
dc.contributor.authorShih, H. C.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.authorKobayashi, T.en_US
dc.contributor.authorLee, J. M.en_US
dc.contributor.authorChen, J. M.en_US
dc.date.accessioned2014-12-08T15:27:36Z-
dc.date.available2014-12-08T15:27:36Z-
dc.date.issued2010en_US
dc.identifier.issn1742-6588en_US
dc.identifier.urihttp://hdl.handle.net/11536/19847-
dc.identifier.urihttp://dx.doi.org/10.1088/1742-6596/200/1/012107en_US
dc.description.abstractWe have observed the coherent acoustic phonons in the hexagonal manganite HoMnO(3) single crystals using wavelength-dependent femtosecond pump-probe spectroscopy. The oscillatory component of the photoinduced transient reflectivity change (Delta R/R) at various pump-probe wavelengths is consistent with the model of strain pulse propagation. Furthermore, the oscillation period of the oscillation is strong temperature- and wavelength-dependent. In particular, the period of all oscillations in Delta R/R for various wavelengths are very similar in the vicinity of the Neel temperature (T(N)), which associates with the appearance of the antiferromagnetic (AFM) long-range ordering.en_US
dc.language.isoen_USen_US
dc.titleCoherent acoustic phonons in hexagonal HoMnO(3) probed by femtosecond spectroscopyen_US
dc.typeArticleen_US
dc.identifier.doi10.1088/1742-6596/200/1/012107en_US
dc.identifier.journalINTERNATIONAL CONFERENCE ON MAGNETISM (ICM 2009)en_US
dc.citation.volume200en_US
dc.contributor.department電子物理學系zh_TW
dc.contributor.departmentDepartment of Electrophysicsen_US
dc.identifier.wosnumberWOS:000291321300107-
Appears in Collections:Conferences Paper


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