Ultrafast lattice dynamics of phase-change materials monitored by a pump-pump-probe technique

Muneaki Hase, Paul Fons, Kirill Mitrofanov, Alexander V. Kolobov, Junji Tominaga

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

We explore an ultrafast structural transformation in a Ge2Te2/Sb2Te3 superlattice, using pump-pump-probe spectroscopy. The coherent phonon spectra exhibit complex structural dynamics upon photo-excitation, being described as a mixing of two different Ge bonding configurations.

Original languageEnglish
Title of host publicationUltrafast Phenomena XIX - Proceedings of the 19th International Conference
EditorsLouis DiMauro, Regina de Vivie-Riedle, Kaoru Yamanouchi, Makoto Kuwata-Gonokami, Steven Cundiff
PublisherSpringer Science and Business Media, LLC
Pages210-213
Number of pages4
ISBN (Electronic)9783319132419
DOIs
Publication statusPublished - 2015 Jan 1
Externally publishedYes
Event19th International Conference on Ultrafast Phenomena, 2014 - Okinawa, Japan
Duration: 2014 Jul 72014 Jul 11

Publication series

NameSpringer Proceedings in Physics
Volume162
ISSN (Print)0930-8989
ISSN (Electronic)1867-4941

Other

Other19th International Conference on Ultrafast Phenomena, 2014
CountryJapan
CityOkinawa
Period14/7/714/7/11

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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  • Cite this

    Hase, M., Fons, P., Mitrofanov, K., Kolobov, A. V., & Tominaga, J. (2015). Ultrafast lattice dynamics of phase-change materials monitored by a pump-pump-probe technique. In L. DiMauro, R. de Vivie-Riedle, K. Yamanouchi, M. Kuwata-Gonokami, & S. Cundiff (Eds.), Ultrafast Phenomena XIX - Proceedings of the 19th International Conference (pp. 210-213). (Springer Proceedings in Physics; Vol. 162). Springer Science and Business Media, LLC. https://doi.org/10.1007/978-3-319-13242-6_50