Anomalous phase change process in [(GeTe)2/(Sb2Te3)]20 superlattice observed by coherent phonon spectroscopy

K. Makino, Y. Saito, K. Mitrofanov, J. Tominaga, A. V. Kolobov, T. Nakano, P. Fons, M. Hase

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

Abstract

The temperature-dependent ultrafast lattice dynamics of topological (GeTe)2/(Sb2Te3) superlattice phase change memory material was investigated. By comparing with Ge-Sb-Te alloy, a clear contrast suggesting the unique phase change behavior was found.

Original languageEnglish
Title of host publication19th International Conference on Ultrafast Phenomena, UP 2014
PublisherOptical Society of America (OSA)
ISBN (Print)1557522790, 1557522790, 9781557522795, 9781557522795
DOIs
Publication statusPublished - 2014 Jan 1
Event19th International Conference on Ultrafast Phenomena, UP 2014 - Okinawa, Japan
Duration: 2014 Jul 72014 Jul 11

Publication series

NameOptics InfoBase Conference Papers
ISSN (Electronic)2162-2701

Other

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

ASJC Scopus subject areas

  • Instrumentation
  • Atomic and Molecular Physics, and Optics

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    Makino, K., Saito, Y., Mitrofanov, K., Tominaga, J., Kolobov, A. V., Nakano, T., Fons, P., & Hase, M. (2014). Anomalous phase change process in [(GeTe)2/(Sb2Te3)]20 superlattice observed by coherent phonon spectroscopy. In 19th International Conference on Ultrafast Phenomena, UP 2014 (Optics InfoBase Conference Papers). Optical Society of America (OSA). https://doi.org/10.1364/up.2014.09.wed.p3.34