Angle-resolved photoemission study of quasi one-dimensional conductor Nb3Te4

H. Fujisawa, H. Kumigashira, T. Takahashi, H. Kaneko, Y. Ishihara, H. Okamoto

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2 Citations (Scopus)


We have performed angle-resolved photoemission spectroscopy on Nb3Te4, which has zigzag Nb-Nb chains along the c-axis in the crystal. We found a dispersive Nb 4d band near the Fermi level (EF) which crosses EF midway between the center and the boundary of the Brillouin zone in the chain direction. The intensity of the Nb 4d band was found to be substantially suppressed near/at EF, showing a typical Tomonaga-Luttinger liquid behavior of 1D metals. On the other hand, a clear Fermi-edge cutoff, characteristic of 2D or 3D metals, is seen for this Nb 4d band. All these results suggest that Nb3Te4 is a quasi 1D metal with admixture of 2D or 3D character due to the finite inter-chain interaction.

Original languageEnglish
Pages (from-to)647-652
Number of pages6
JournalJournal of Electron Spectroscopy and Related Phenomena
Publication statusPublished - 2001 Mar
Event8th International Conference on Electronic Spectroscopy and Structure (ICESS-8) - Berkeley, CA, USA
Duration: 2000 Aug 82000 Aug 12


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