Photoinduced phase transitions over three phases in Ba0.9 Sr0.1 V13 O18

Takuo Saiki, N. Yamaguchi, Y. Obata, Y. Kakesu, T. Kajita, Takuro Katsufuji

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Abstract

Ba0.9Sr0.1V13O18 exhibits two ordered phases caused by the charge/orbital ordering of the d electrons on the V ions. We have succeeded in observing photoinduced phase transitions over three phases in this compound: a transition from the low-temperature phase to the high-temperature phase within 0.3 ps, followed by a transition to the intermediate-temperature phase within 2 ps. The relationship between the symmetry at each of the three phases plays a key role in the dynamics of the photoinduced phase transitions in such a compound.

Original languageEnglish
Article number035133
JournalPhysical Review B
Volume96
Issue number3
DOIs
Publication statusPublished - 2017 Jul 18

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ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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