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Volumn 89, Issue 6, 2014, Pages

Strong electron pairing at the iron 3 d x z, y z orbitals in hole-doped BaFe 2 As 2 superconductors revealed by angle-resolved photoemission spectroscopy

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EID: 84897731991     PISSN: 10980121     EISSN: 1550235X     Source Type: Journal    
DOI: 10.1103/PhysRevB.89.064514     Document Type: Article
Times cited : (58)

References (36)
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    • The electronic structures of K- and Na-doped BaFe 2 As 2 are very similar. ARPES spectra of both compounds are characterized by propellerlike FS at the BZ corner, three holelike bands at the BZ center-all of very close size, similar magnitude and momentum distribution of the superconducting gap including similar k z dependence [partially published in S. Aswartham, Phys. Rev. B 85, 224520 (2012)]. Possible differences between Ba 1-x K x Fe 2 As 2 and Ba 1-x Na x Fe 2 As 2 are insignificant for the analysis presented here PRBMDO 1098-0121 10.1103/PhysRevB.85.224520.
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    • Aswartham, S.1
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    • Though the shape of the spectrum below T c exhibits significant deviations from the BCS behavior, in particular due to prominent effects of a mode scattering [7] [P. Richard, T. Sato, K. Nakayama, S. Souma, T. Takahashi, Y.-M. Xu, G. F. Chen, J. L. Luo, N. L. Wang, and H. Ding, Phys. Rev. Lett. 102, 047003 (2009)], the values of the gap, extracted from the fit of the data to the Dynes function are still reasonable quantitative characteristics of the superconducting state. More detailed investigation of the spectrum shape is the matter of future studies 10.1103/PhysRevLett.102.047003.
    • (2009) Phys. Rev. Lett. , vol.102
    • Richard, P.1    Sato, T.2    Nakayama, K.3    Souma, S.4    Takahashi, T.5    Xu, Y.-M.6    Chen, G.F.7    Luo, J.L.8    Wang, N.L.9    Ding, H.10


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.