Symmetry breaking in the metal-insulator transition of BaVS3

T. Inami, K. Ohwada, H. Kimura, M. Watanabe, Y. Noda, H. Nakamura, T. Yamasaki, M. Shiga, Naoshi Ikeda, Y. Murakami

Research output: Contribution to journalArticle

37 Citations (Scopus)

Abstract

It has been believed for a long time that the metal-to-insulator (MI) transition of BaVS3 is not accompanied by any spatial order of the spin and lattice. We have carried out x-ray-diffraction measurements of BaVS3 single crystals using a laboratory x-ray source as well as synchrotron radiation, and found that superlattice reflections which double the lattice constant c exist below the transition temperature. The most probable space group at the low-temperature insulator phase contains two inequivalent vanadium sites, and thus a charge disproportionation of the vanadium ions is considered the main cause of the MI transition.

Original languageEnglish
Article number073108
Pages (from-to)731081-731084
Number of pages4
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume66
Issue number7
Publication statusPublished - Aug 15 2002
Externally publishedYes

Fingerprint

Vanadium
Metal insulator transition
broken symmetry
Metals
insulators
X rays
vanadium
Synchrotron radiation
metals
Superconducting transition temperature
Lattice constants
Diffraction
x ray sources
Single crystals
Ions
synchrotron radiation
x ray diffraction
transition temperature
causes
single crystals

ASJC Scopus subject areas

  • Condensed Matter Physics

Cite this

Inami, T., Ohwada, K., Kimura, H., Watanabe, M., Noda, Y., Nakamura, H., ... Murakami, Y. (2002). Symmetry breaking in the metal-insulator transition of BaVS3. Physical Review B - Condensed Matter and Materials Physics, 66(7), 731081-731084. [073108].

Symmetry breaking in the metal-insulator transition of BaVS3. / Inami, T.; Ohwada, K.; Kimura, H.; Watanabe, M.; Noda, Y.; Nakamura, H.; Yamasaki, T.; Shiga, M.; Ikeda, Naoshi; Murakami, Y.

In: Physical Review B - Condensed Matter and Materials Physics, Vol. 66, No. 7, 073108, 15.08.2002, p. 731081-731084.

Research output: Contribution to journalArticle

Inami, T, Ohwada, K, Kimura, H, Watanabe, M, Noda, Y, Nakamura, H, Yamasaki, T, Shiga, M, Ikeda, N & Murakami, Y 2002, 'Symmetry breaking in the metal-insulator transition of BaVS3', Physical Review B - Condensed Matter and Materials Physics, vol. 66, no. 7, 073108, pp. 731081-731084.
Inami T, Ohwada K, Kimura H, Watanabe M, Noda Y, Nakamura H et al. Symmetry breaking in the metal-insulator transition of BaVS3. Physical Review B - Condensed Matter and Materials Physics. 2002 Aug 15;66(7):731081-731084. 073108.
Inami, T. ; Ohwada, K. ; Kimura, H. ; Watanabe, M. ; Noda, Y. ; Nakamura, H. ; Yamasaki, T. ; Shiga, M. ; Ikeda, Naoshi ; Murakami, Y. / Symmetry breaking in the metal-insulator transition of BaVS3. In: Physical Review B - Condensed Matter and Materials Physics. 2002 ; Vol. 66, No. 7. pp. 731081-731084.
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