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Volumn 337, Issue 6100, 2012, Pages 1314-1317

Octet-line node structure of superconducting order parameter in KFe 2As2

(24)  Okazaki, K a,b   Ota, Y a   Kotani, Y a,b   Malaeb, W a,b   Ishida, Y a   Shimojima, T a   Kiss, T c   Watanabe, S d   Chen, C T e   Kihou, K b,f   Lee, C H b,f   Iyo, A b,f   Eisaki, H b,f   Saito, T g   Fukazawa, H b,g   Kohori, Y b,g   Hashimoto, K h,k   Shibauchi, T h   Matsuda, Y h   Ikeda, H h   more..


Author keywords

[No Author keywords available]

Indexed keywords

IRON;

EID: 84866125835     PISSN: 00368075     EISSN: 10959203     Source Type: Journal    
DOI: 10.1126/science.1222793     Document Type: Article
Times cited : (262)

References (32)
  • 9
  • 12
    • 84922720204 scopus 로고    scopus 로고
    • J.-Ph. Reid et al., http://arxiv.org/abs/1201.3376v1 (2012).
    • (2012)
    • Reid, J.-Ph.1
  • 13
    • 84876499514 scopus 로고    scopus 로고
    • Materials and methods are available as supplementary materials on Science Online
    • Materials and methods are available as supplementary materials on Science Online.
  • 17
    • 84876479017 scopus 로고    scopus 로고
    • note
    • The symmetrized EDC of the middle FS show a peak also at φ = 52°. However, for this FS angle the fitting gave a small but finite SC-gap size.
  • 18
    • 79955537314 scopus 로고    scopus 로고
    • T. Shimojima et al., Science 332, 564 (2011).
    • (2011) Science , vol.332 , pp. 564
    • Shimojima, T.1
  • 19
    • 84922730233 scopus 로고    scopus 로고
    • W. Malaeb et al., http://arxiv.org/abs/1204.0326v1 (2012).
    • (2012)
    • Malaeb, W.1
  • 21
    • 84876485591 scopus 로고    scopus 로고
    • note
    • When the SC-gap size is much smaller than the broadening width of the Fermi-Dirac (FD) function, the symmetrized EDC can be a peak-like line shape at EF.
  • 24
    • 84876502004 scopus 로고    scopus 로고
    • note
    • We have confirmed that even if we try fitting including a higher-order modulation such as cos(16φ), the position of the nodal points is almost unaffected.
  • 30
    • 84876477665 scopus 로고    scopus 로고
    • note
    • F should be broader for azimuth angle = 45°. However, the MDC width of the middle FS at EF is not so different between that for azimuth angle = 0° and for azimuth angle = 45°, thus confirming that our ARPES results using 7-eV photons shoud trace the ragion very close to the Z point.
  • 31
    • 84876503726 scopus 로고    scopus 로고
    • note
    • z value of the observed photoelectrons should be integrated within 10 to 20% of the whole BZ region, considering that the escape depth of photoelectrons for 7-eV laser is ∼30 to 70 A°, whereas the unit cell length along the c axis is ∼14 A°.
  • 32
    • 84876494334 scopus 로고    scopus 로고
    • note
    • We have confirmed that SD of the SC-gap value obtained through least-square fitting is below 1 μeV by assuming that the detected counts of photoelectrons obey Poisson distribution.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.