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Proceedings Paper

Photocarrier recombination dynamics of SrTiO3
Author(s): Yasuhiro Yamada; Yoshihiko Kanemitsu
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Paper Abstract

We summarized our recent studies on the photocarrier recombination dynamics of SrTiO3 by means of time-resolved photoluminescence (PL) spectroscopy and transient absorption (TA) spectroscopy. Novel room-temperature blue PL was observed in strongly photoexcited SrTiO3 and electron-doped SrTiO3. We revealed that both PL and TA dynamics are determined by a simple carrier recombination model and nonradiative three-particle Auger process determines the carrier recombination dynamics under high-density photoexcitation. We discussed the temperature-dependent PL spectrum and dynamics of strongly photoexcited SrTiO3.

Paper Details

Date Published: 21 February 2011
PDF: 8 pages
Proc. SPIE 7937, Ultrafast Phenomena in Semiconductors and Nanostructure Materials XV, 79371O (21 February 2011); doi: 10.1117/12.872609
Show Author Affiliations
Yasuhiro Yamada, Kyoto Univ. (Japan)
Yoshihiko Kanemitsu, Kyoto Univ. (Japan)

Published in SPIE Proceedings Vol. 7937:
Ultrafast Phenomena in Semiconductors and Nanostructure Materials XV
Kong-Thon Tsen; Jin-Joo Song; Markus Betz; Abdulhakem Y. Elezzabi, Editor(s)

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