ARPES on Na0.6CoO2: Fermi surface and unusual band dispersion

H. B. Yang, S. C. Wang, A. K.P. Sekharan, H. Matsui, S. Souma, T. Sato, T. Takahashi, T. Takeuchi, J. C. Campuzano, R. Jin, B. C. Sales, D. Mandrus, Z. Wang, H. Ding

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146 Citations (Scopus)


The electronic structure of superconducting Na0.6CoO2 was studied by angle-resolved photoelectron spectroscopy (ARPES). The high-quality single crystals were grown using the floating-zone method. The valence band was measured at a number of photon energies, ranging from 16-110 eV. The results show that the measured Fermi surfaces (FS) are consistent with large FS enclosing the γ point from the band theory.

Original languageEnglish
Article number246403
Pages (from-to)246403-1-246403-4
JournalPhysical Review Letters
Issue number24
Publication statusPublished - 2004 Jun 18


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