Ultrafast Dynamics of the Mn d-d Transition on Hexagonal HoMnO(3)

Title:	Ultrafast Dynamics of the Mn d-d Transition on Hexagonal HoMnO(3)
Authors:	Shih, H. C. Lin, T. H. Hsieh, C. C. Lee, J. M. Luo, C. W. Lin, J-Y Uen, T. M. Juang, J. Y. Wu, K. H. Chen, J. M. 電子物理學系 Department of Electrophysics
Issue Date:	2009
Abstract:	The photoinduced changes in reflectivity (Delta R/R) at energies closed to the Mn d-d optical transition of HoMnO(3) single crystal have been systematically measured from 300K to 30 K by time-resolved optical pump-probe spectroscopy. The oscillation induced by the propagation of strain pulse was clearly observed in the Delta R/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 Mn(3+) d level.
URI:	http://hdl.handle.net/11536/13289 http://dx.doi.org/10.1088/1742-6596/150/4/042180
ISSN:	1742-6588
DOI:	10.1088/1742-6596/150/4/042180
Journal:	25TH INTERNATIONAL CONFERENCE ON LOW TEMPERATURE PHYSICS (LT25), PART 4: QUANTUM PHASE TRANSITIONS AND MAGNETISM
Volume:	150
Appears in Collections:	Conferences Paper

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