V-V dimerization effects on bulk-sensitive hard x-ray photoemission spectra for Magnéli phase vanadium oxides

M. Obara; A. Sekiyama; S. Imada; J. Yamaguchi; T. Miyamachi; T. Balashov; W. Wulfhekel; M. Yabashi; K. Tamasaku; A. Higashiya; T. Ishikawa; Kohei Fujiwara; H. Takagi; S. Suga

doi:10.1103/PhysRevB.81.113107

V-V dimerization effects on bulk-sensitive hard x-ray photoemission spectra for Magnéli phase vanadium oxides

M. Obara, A. Sekiyama, S. Imada, J. Yamaguchi, T. Miyamachi, T. Balashov, W. Wulfhekel, M. Yabashi, K. Tamasaku, A. Higashiya, T. Ishikawa, Kohei Fujiwara, H. Takagi, S. Suga

研究成果: Article › 査読

11 被引用数 (Scopus)

抄録

Highly bulk-sensitive hard x-ray photoemission has been performed for the Magnéli phase V5 O9 and V6 O11, which are composed of V2 O3 and VO2 from chemical point of view. The valence-band spectra near the Fermi level are rather similar between V5 O9 and V6 O11 in both metallic and insulating phases. Although the core-level spectra in the metallic phase are similar between V5 O9 and V6 O11, the core-level spectra in the insulating phase are noticeably different. Our results are understood by considering the contribution of the V-V dimerization effects, which are strong in V6 O11 and negligible in V5 O9. Comparison of the core-level spectra of V5 O9 and V6 O11 with those of VO2 has revealed that the mechanism of the metal-insulator transitions for the former two compounds is different from that for VO2.

本文言語	English
論文番号	113107
ジャーナル	Physical Review B - Condensed Matter and Materials Physics
巻	81
号	11
DOI	https://doi.org/10.1103/PhysRevB.81.113107
出版ステータス	Published - 2010 3 22
外部発表	はい

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

文献へのアクセス

10.1103/PhysRevB.81.113107

フィンガープリント「V-V dimerization effects on bulk-sensitive hard x-ray photoemission spectra for Magnéli phase vanadium oxides」の研究トピックを掘り下げます。これらがまとまってユニークなフィンガープリントを構成します。

引用スタイル

Obara, M., Sekiyama, A., Imada, S., Yamaguchi, J., Miyamachi, T., Balashov, T., Wulfhekel, W., Yabashi, M., Tamasaku, K., Higashiya, A., Ishikawa, T., Fujiwara, K., Takagi, H., & Suga, S. (2010). V-V dimerization effects on bulk-sensitive hard x-ray photoemission spectra for Magnéli phase vanadium oxides. Physical Review B - Condensed Matter and Materials Physics, 81(11), [113107]. https://doi.org/10.1103/PhysRevB.81.113107

V-V dimerization effects on bulk-sensitive hard x-ray photoemission spectra for Magnéli phase vanadium oxides. / Obara, M.; Sekiyama, A.; Imada, S.; Yamaguchi, J.; Miyamachi, T.; Balashov, T.; Wulfhekel, W.; Yabashi, M.; Tamasaku, K.; Higashiya, A.; Ishikawa, T.; Fujiwara, Kohei; Takagi, H.; Suga, S.

In: Physical Review B - Condensed Matter and Materials Physics, Vol. 81, No. 11, 113107, 22.03.2010.

研究成果: Article › 査読

Obara, M, Sekiyama, A, Imada, S, Yamaguchi, J, Miyamachi, T, Balashov, T, Wulfhekel, W, Yabashi, M, Tamasaku, K, Higashiya, A, Ishikawa, T, Fujiwara, K, Takagi, H & Suga, S 2010, 'V-V dimerization effects on bulk-sensitive hard x-ray photoemission spectra for Magnéli phase vanadium oxides', Physical Review B - Condensed Matter and Materials Physics, vol. 81, no. 11, 113107. https://doi.org/10.1103/PhysRevB.81.113107

Obara, M. ; Sekiyama, A. ; Imada, S. ; Yamaguchi, J. ; Miyamachi, T. ; Balashov, T. ; Wulfhekel, W. ; Yabashi, M. ; Tamasaku, K. ; Higashiya, A. ; Ishikawa, T. ; Fujiwara, Kohei ; Takagi, H. ; Suga, S. / V-V dimerization effects on bulk-sensitive hard x-ray photoemission spectra for Magnéli phase vanadium oxides. In: Physical Review B - Condensed Matter and Materials Physics. 2010 ; Vol. 81, No. 11.

@article{e080285da706486a984bbc28f47eddfe,

title = "V-V dimerization effects on bulk-sensitive hard x-ray photoemission spectra for Magn{\'e}li phase vanadium oxides",

abstract = "Highly bulk-sensitive hard x-ray photoemission has been performed for the Magn{\'e}li phase V5 O9 and V6 O11, which are composed of V2 O3 and VO2 from chemical point of view. The valence-band spectra near the Fermi level are rather similar between V5 O9 and V6 O11 in both metallic and insulating phases. Although the core-level spectra in the metallic phase are similar between V5 O9 and V6 O11, the core-level spectra in the insulating phase are noticeably different. Our results are understood by considering the contribution of the V-V dimerization effects, which are strong in V6 O11 and negligible in V5 O9. Comparison of the core-level spectra of V5 O9 and V6 O11 with those of VO2 has revealed that the mechanism of the metal-insulator transitions for the former two compounds is different from that for VO2.",

author = "M. Obara and A. Sekiyama and S. Imada and J. Yamaguchi and T. Miyamachi and T. Balashov and W. Wulfhekel and M. Yabashi and K. Tamasaku and A. Higashiya and T. Ishikawa and Kohei Fujiwara and H. Takagi and S. Suga",

year = "2010",

month = mar,

day = "22",

doi = "10.1103/PhysRevB.81.113107",

language = "English",

volume = "81",

journal = "Physical Review B - Condensed Matter and Materials Physics",

issn = "0163-1829",

publisher = "American Institute of Physics Publising LLC",

number = "11",

}

TY - JOUR

T1 - V-V dimerization effects on bulk-sensitive hard x-ray photoemission spectra for Magnéli phase vanadium oxides

AU - Obara, M.

AU - Sekiyama, A.

AU - Imada, S.

AU - Yamaguchi, J.

AU - Miyamachi, T.

AU - Balashov, T.

AU - Wulfhekel, W.

AU - Yabashi, M.

AU - Tamasaku, K.

AU - Higashiya, A.

AU - Ishikawa, T.

AU - Fujiwara, Kohei

AU - Takagi, H.

AU - Suga, S.

PY - 2010/3/22

Y1 - 2010/3/22

N2 - Highly bulk-sensitive hard x-ray photoemission has been performed for the Magnéli phase V5 O9 and V6 O11, which are composed of V2 O3 and VO2 from chemical point of view. The valence-band spectra near the Fermi level are rather similar between V5 O9 and V6 O11 in both metallic and insulating phases. Although the core-level spectra in the metallic phase are similar between V5 O9 and V6 O11, the core-level spectra in the insulating phase are noticeably different. Our results are understood by considering the contribution of the V-V dimerization effects, which are strong in V6 O11 and negligible in V5 O9. Comparison of the core-level spectra of V5 O9 and V6 O11 with those of VO2 has revealed that the mechanism of the metal-insulator transitions for the former two compounds is different from that for VO2.

AB - Highly bulk-sensitive hard x-ray photoemission has been performed for the Magnéli phase V5 O9 and V6 O11, which are composed of V2 O3 and VO2 from chemical point of view. The valence-band spectra near the Fermi level are rather similar between V5 O9 and V6 O11 in both metallic and insulating phases. Although the core-level spectra in the metallic phase are similar between V5 O9 and V6 O11, the core-level spectra in the insulating phase are noticeably different. Our results are understood by considering the contribution of the V-V dimerization effects, which are strong in V6 O11 and negligible in V5 O9. Comparison of the core-level spectra of V5 O9 and V6 O11 with those of VO2 has revealed that the mechanism of the metal-insulator transitions for the former two compounds is different from that for VO2.

UR - http://www.scopus.com/inward/record.url?scp=77954979493&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=77954979493&partnerID=8YFLogxK

U2 - 10.1103/PhysRevB.81.113107

DO - 10.1103/PhysRevB.81.113107

M3 - Article

AN - SCOPUS:77954979493

VL - 81

JO - Physical Review B - Condensed Matter and Materials Physics

JF - Physical Review B - Condensed Matter and Materials Physics

SN - 0163-1829

IS - 11

M1 - 113107

ER -