Metal-insulator transition in 1T-TaS2-xSex

O. Shiino, T. Watanabe, T. Endo, T. Hanaguri, K. Kitazawa, Minoru Nohara, H. Takagi, C. Murayama, N. Takeshita, N. Môri, T. Hasegawa, W. Yamaguchi

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

The transition metal dichalcogenide, 1T-TaS2, shows metal-insulator transition (MIT) accompanying the nearly commensurate (NC)-commensurate (C) charge density wave (CDW) phase transition at 180 K. It has been proposed that the low-temperature C-CDW phase is a Mott insulator. However, our specific heat and magnetic susceptibility measurements in the 1T-TaS2-xSex system revealed no indications of effective mass enhancement or intrinsic localized spins in the insulating phase. So we propose a new model for the MIT in which the interlayer coupling of the CDW superstructure plays an important role.

Original languageEnglish
Pages (from-to)1673-1674
Number of pages2
JournalPhysica B: Condensed Matter
Volume284-288
Issue numberPART II
Publication statusPublished - 2000
Externally publishedYes

Fingerprint

Charge density waves
Metal insulator transition
insulators
metals
magnetic permeability
Magnetic susceptibility
Specific heat
Transition metals
interlayers
indication
Phase transitions
transition metals
specific heat
augmentation
Temperature

Keywords

  • 1T-TaSSe
  • Charge density wave
  • Metal-insulator transition

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics

Cite this

Shiino, O., Watanabe, T., Endo, T., Hanaguri, T., Kitazawa, K., Nohara, M., ... Yamaguchi, W. (2000). Metal-insulator transition in 1T-TaS2-xSex. Physica B: Condensed Matter, 284-288(PART II), 1673-1674.

Metal-insulator transition in 1T-TaS2-xSex. / Shiino, O.; Watanabe, T.; Endo, T.; Hanaguri, T.; Kitazawa, K.; Nohara, Minoru; Takagi, H.; Murayama, C.; Takeshita, N.; Môri, N.; Hasegawa, T.; Yamaguchi, W.

In: Physica B: Condensed Matter, Vol. 284-288, No. PART II, 2000, p. 1673-1674.

Research output: Contribution to journalArticle

Shiino, O, Watanabe, T, Endo, T, Hanaguri, T, Kitazawa, K, Nohara, M, Takagi, H, Murayama, C, Takeshita, N, Môri, N, Hasegawa, T & Yamaguchi, W 2000, 'Metal-insulator transition in 1T-TaS2-xSex', Physica B: Condensed Matter, vol. 284-288, no. PART II, pp. 1673-1674.
Shiino O, Watanabe T, Endo T, Hanaguri T, Kitazawa K, Nohara M et al. Metal-insulator transition in 1T-TaS2-xSex. Physica B: Condensed Matter. 2000;284-288(PART II):1673-1674.
Shiino, O. ; Watanabe, T. ; Endo, T. ; Hanaguri, T. ; Kitazawa, K. ; Nohara, Minoru ; Takagi, H. ; Murayama, C. ; Takeshita, N. ; Môri, N. ; Hasegawa, T. ; Yamaguchi, W. / Metal-insulator transition in 1T-TaS2-xSex. In: Physica B: Condensed Matter. 2000 ; Vol. 284-288, No. PART II. pp. 1673-1674.
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