Angle-resolved photoemission study on the superconducting iron-pnictides of BaFe2(As,P)2 with low energy photons

T Shimojima ,H Anzai,M Nakajima,S Uchida,F Sakaguchi,T Yoshida,S Ideta,A Fujimori,Walid Malaeb ,Masashi Arita ,Kunihiro Kihou ,Kenya Shimada ,A Iyo ,Taichi Terashima ,Chul‐Ho Lee ,Takayuki Kawamata ,Y Nakashima ,H Eisaki ,K Ishizaka ,Mario Okawa ,A Ino ,C T Chen ,A Chainani ,T Shibauchi ,S Kasahara ,Shinji Watanabe ,Masaki Takeuchi ,Y Ishida ,H Namatame ,Yuji Matsuda ,Tadashi Togashi ,Soohyeon Shin

doi:10.1016/j.ssc.2011.12.032

Angle-resolved photoemission study on the superconducting iron-pnictides of BaFe2(As,P)2 with low energy photons

T Shimojima , H Anzai + Show 30 more

https://doi.org/10.1016/j.ssc.2011.12.032

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Journal: Solid State Communications	Publication Date: Dec 22, 2011
Citations: 9

Affiliation: The University of Tokyo, Japan Science and Technology Agency, Hiroshima University, Osaka University, SPring-8

#Superconducting Gaps #Low Energy Photons + Show 8 more

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Abstract

We investigate the kz dispersion in the hole Fermi surfaces (FSs) and the superconducting (SC) gaps of BaFe2(As0.65P0.35)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.

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