Angle-resolved photoemission spectroscopy, optical conductivity, and soft X-ray Raman spectroscopy of quasi-one-dimensional V6O13

Ritsuko Eguchi; Takayoshi Yokoya; Takayuki Kiss; Yutaka Ueda; Hiroyuki Tajima; Jun Yamazaki; Shik Shin

doi:10.1016/S0921-4526(01)01186-3

Angle-resolved photoemission spectroscopy, optical conductivity, and soft X-ray Raman spectroscopy of quasi-one-dimensional V6O13

Ritsuko Eguchi, Takayoshi Yokoya, Takayuki Kiss, Yutaka Ueda, Hiroyuki Tajima, Jun Yamazaki, Shik Shin

Research output: Contribution to journal › Article

3 Citations (Scopus)

Abstract

We study the electronic properties of quasi-one-dimensional V₆O₁₃ which exhibits a metal-insulator transition using angle-resolved photoemission spectroscopy (ARPES), optical conductivity, and soft X-ray Raman spectroscopy (SXRS). From ARPES, we observe an energy gap of 0.2 eV across the metal-insulator transition with change in the lower Hubbard band. Band dispersion is found only along the b-axis, consistent with highly anisotropic behavior observed in optical conductivity and SXRS measured on the same samples. These results indicate the electronic properties of V₆O₁₃ are dominated by b-axis electronic structure.

Original language	English
Pages (from-to)	600-602
Number of pages	3
Journal	Physica B: Condensed Matter
Volume	312-313
DOIs	https://doi.org/10.1016/S0921-4526(01)01186-3
Publication status	Published - Mar 2002
Externally published	Yes

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Keywords

ARPES
Quasi-one-dimensional
VO

ASJC Scopus subject areas

Materials Science(all)
Condensed Matter Physics

Cite this

Eguchi, R., Yokoya, T., Kiss, T., Ueda, Y., Tajima, H., Yamazaki, J., & Shin, S. (2002). Angle-resolved photoemission spectroscopy, optical conductivity, and soft X-ray Raman spectroscopy of quasi-one-dimensional V6O13. Physica B: Condensed Matter, 312-313, 600-602. https://doi.org/10.1016/S0921-4526(01)01186-3

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abstract = "We study the electronic properties of quasi-one-dimensional V6O13 which exhibits a metal-insulator transition using angle-resolved photoemission spectroscopy (ARPES), optical conductivity, and soft X-ray Raman spectroscopy (SXRS). From ARPES, we observe an energy gap of 0.2 eV across the metal-insulator transition with change in the lower Hubbard band. Band dispersion is found only along the b-axis, consistent with highly anisotropic behavior observed in optical conductivity and SXRS measured on the same samples. These results indicate the electronic properties of V6O13 are dominated by b-axis electronic structure.",

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AU - Eguchi, Ritsuko

AU - Yokoya, Takayoshi

AU - Kiss, Takayuki

AU - Ueda, Yutaka

AU - Tajima, Hiroyuki

AU - Yamazaki, Jun

AU - Shin, Shik

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10.1016/S0921-4526(01)01186-3