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Scanning tunneling spectroscopy of 1T-TaS2 between 300 K and 40 K
Department of Physics, Chalmers University of Technology and Göteborg University.
Department of Physics, Chonbuk National University, 560-756 Chonju, Korea.
Department of Physics, Chalmers University of Technology and Göteborg University.ORCID iD: 0000-0001-7329-3359
1996 (English)In: Czechoslovak Journal of Physics, ISSN 0011-4626, E-ISSN 1572-9486, Vol. 46, p. 2601-2602Article in journal (Refereed) Published
Abstract [en]

We have used scanning tunneling spectroscopy to measure temperature dependent tunneling spectra of 1T-TaS2 from room temperature to ∼ 40 K. An abrupt transition from the charge-density-wave induced broad depletion to an opening of a deep pseudo gap was observed within ∼ 1 K of the nearly commensurate to commensurate transition temperature. This pseudo gap was deep enough to form localized states at the Fermi level. Our tunneling results therefore suggest, in contrast to inverse photoelectron spectroscopy, that the band splitting of the Ta 5d band is due to the electron correlation effect.

Place, publisher, year, edition, pages
1996. Vol. 46, p. 2601-2602
National Category
Natural Sciences
Identifiers
URN: urn:nbn:se:miun:diva-9862DOI: 10.1007/BF02570287OAI: oai:DiVA.org:miun-9862DiVA, id: diva2:236681
Note

21st International Conference on Low Temperature Physics (LT 21),PRAGUE, CZECH REPUBLIC, AUG 08-14, 1996

Available from: 2009-09-24 Created: 2009-09-24 Last updated: 2017-12-13Bibliographically approved

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Olin, Håkan

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