High-field optical spectroscopy of the chromium spinel CdCr2O4

Y. Sawada, S. Kimura, K. Watanabe, H. Ueda

Research output: Contribution to journalConference article

5 Citations (Scopus)

Abstract

We have performed high-field optical spectroscopy measurements of the geometrically frustrated chromium spinel oxide CdCr2O4 in the visible light region. We succeeded in observing the pure exciton excitation peak, and identified some other absorption peaks as exciton-magnon excitation peaks from the theoretical calculations of density of states of the spin wave. Furthermore, from the high-field experiment, large variations of absorption peaks were observed at around 4 T. This result indicates that some magnetic phase transition occurs around this field.

Original languageEnglish
Article number042028
JournalJournal of Physics: Conference Series
Volume568
DOIs
Publication statusPublished - 2014 Jan 1
Event27th International Conference on Low Temperature Physics, LT 2014 - Buenos Aires, Argentina
Duration: 2014 Aug 62014 Aug 13

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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