Ultrafast dynamics of the Mn d-d transition on hexagonal HoMnO3

H. C. Shih, T. H. Lin, C. C. Hsieh, J. M. Lee, Chih-Wei Luo, Jiunn-Yuan Lin, M. Uen, Jenh-Yih Juang, Kaung-Hsiung Wu, J. M. Chen

Research output: Contribution to journalArticlepeer-review


The photoinduced changes in reflectivity (ΔR/R) at energies closed to the Mn d-d optical transition of HoMnO3 single crystal have been systematically measured from 300 K to 30 K by time-resolved optical pump-probe spectroscopy. The oscillation induced by the propagation of strain pulse was clearly observed in the ΔR/R signal with various probing wavelength. Moreover, the different relaxation processes of photoexcited carriers with in various wavelengths may be led by the blue shift of Mn3+ d level.

Original languageEnglish
Article number042180
Pages (from-to)1-4
Number of pages4
JournalJournal of Physics: Conference Series
Issue number4
StatePublished - 6 Aug 2009


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