Spin-density-wave gap in (TMTSF)2PF6 probed by reflection-type terahertz time-domain spectroscopy

Shinichi Watanabe, Ryusuke Kondo, Seiichi Kagoshima, Ryo Shimano

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

We report on a development of the reflection-type terahertz time-domain spectroscopy system and apply it to determine the conductivity spectra of the spin density wave (SDW) ground states in (TMTSF)2PF6. We take special care over optimizing the spatial resolution of the measurement system in order to investigate the tiny sample and also for correcting the phase error of the measurement. We observe a distinct reduction of me optical conductivity below ∼65 cm-1, which is a clear indication of SDW gap formation with metal-insulator transition.

Original languageEnglish
Pages (from-to)2688-2691
Number of pages4
JournalPhysica Status Solidi (B) Basic Research
Volume245
Issue number12
DOIs
Publication statusPublished - Dec 2008
Externally publishedYes

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Spin density waves
Spectroscopy
Optical conductivity
conductivity
Metal insulator transition
phase error
Ground state
spectroscopy
indication
spatial resolution
insulators
ground state
metals

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Electronic, Optical and Magnetic Materials

Cite this

Spin-density-wave gap in (TMTSF)2PF6 probed by reflection-type terahertz time-domain spectroscopy. / Watanabe, Shinichi; Kondo, Ryusuke; Kagoshima, Seiichi; Shimano, Ryo.

In: Physica Status Solidi (B) Basic Research, Vol. 245, No. 12, 12.2008, p. 2688-2691.

Research output: Contribution to journalArticle

Watanabe, Shinichi ; Kondo, Ryusuke ; Kagoshima, Seiichi ; Shimano, Ryo. / Spin-density-wave gap in (TMTSF)2PF6 probed by reflection-type terahertz time-domain spectroscopy. In: Physica Status Solidi (B) Basic Research. 2008 ; Vol. 245, No. 12. pp. 2688-2691.
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