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

Shinichi Watanabe; Ryusuke Kondo; Seiichi Kagoshima; Ryo Shimano

doi:10.1002/pssb.200879900

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 journal › Article › peer-review

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 language	English
Pages (from-to)	2688-2691
Number of pages	4
Journal	Physica Status Solidi (B) Basic Research
Volume	245
Issue number	12
DOIs	https://doi.org/10.1002/pssb.200879900
Publication status	Published - 2008 Dec
Externally published	Yes

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

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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.",

author = "Shinichi Watanabe and Ryusuke Kondo and Seiichi Kagoshima and Ryo Shimano",

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AU - Watanabe, Shinichi

AU - Kondo, Ryusuke

AU - Kagoshima, Seiichi

AU - Shimano, Ryo

PY - 2008/12

Y1 - 2008/12

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AB - 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.

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

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