Angle-resolved photoemission study on the superconducting iron-pnictides of BaFe 2(As,P) 2 with low energy photons

T. Shimojima, F. Sakaguchi, K. Ishizaka, Y. Ishida, W. Malaeb, T. Yoshida, S. Ideta, A. Fujimori, T. Kiss, M. Okawa, T. Togashi, C. T. Chen, S. Watanabe, Y. Nakashima, A. Ino, H. Anzai, M. Arita, K. Shimada, H. Namatame, M. TaniguchiS. Kasahara, T. Terashima, T. Shibauchi, Y. Matsuda, M. Nakajima, S. Uchida, K. Kihou, C. H. Lee, A. Iyo, H. Eisaki, A. Chainani, S. Shin

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7 Citations (Scopus)

Abstract

We investigate the kz dispersion in the hole Fermi surfaces (FSs) and the superconducting (SC) gaps of BaFe 2(As 0.65P 0.35) 2 by employing bulk-sensitive angle-resolved photoemission spectroscopy (ARPES) with low energy photons. We find that this material exhibits a comparable magnitude of SC gaps for three-hole FSs at kz∼π. The comparable magnitude of the SC gap is observed also at kz∼ 0. Since each FS sheet has a distinct orbital character, these observations are an indication of the orbital-independent SC gaps in the hole FSs.

Original languageEnglish
Pages (from-to)695-700
Number of pages6
JournalSolid State Communications
Volume152
Issue number8
DOIs
Publication statusPublished - 2012 Apr 1

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Condensed Matter Physics
  • Materials Chemistry

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