Optical probe of charge-spin-lattice dynamics in half-doped (formula presented)

K. Yamamoto, K. Ishizaka, E. Saitoh, S. Shinomori, T. Tanabe, Takuro Katsufuji, Y. Tokura

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

We have investigated the charge-spin-ordering transition in (formula presented) by measurements of Raman and optical conductivity spectra. The checkerboard-type charge ordering below (formula presented) can be probed by activated phonon (formula presented) and (formula presented) and two-magnon (formula presented) modes in the infrared and Raman spectra as well as by formation of pseudogaps in the optical conductivity spectra. Besides, another (formula presented) Raman mode emerges below 150 K together with reduction of the optical gap, which can be attributed to another ordering process, i.e., the stripe formation.

Original languageEnglish
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume67
Issue number1
DOIs
Publication statusPublished - 2003 Jan 1
Externally publishedYes

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Optical conductivity
Lattice vibrations
probes
Raman scattering
Infrared radiation
conductivity
infrared spectra
Raman spectra

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

Cite this

Optical probe of charge-spin-lattice dynamics in half-doped (formula presented). / Yamamoto, K.; Ishizaka, K.; Saitoh, E.; Shinomori, S.; Tanabe, T.; Katsufuji, Takuro; Tokura, Y.

In: Physical Review B - Condensed Matter and Materials Physics, Vol. 67, No. 1, 01.01.2003.

Research output: Contribution to journalArticle

Yamamoto, K. ; Ishizaka, K. ; Saitoh, E. ; Shinomori, S. ; Tanabe, T. ; Katsufuji, Takuro ; Tokura, Y. / Optical probe of charge-spin-lattice dynamics in half-doped (formula presented). In: Physical Review B - Condensed Matter and Materials Physics. 2003 ; Vol. 67, No. 1.
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