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Unconventional electronic Raman spectra of borocarbide superconductors

Title
Unconventional electronic Raman spectra of borocarbide superconductors
Authors
Yang I.-S.Klein M.V.Devereaux T.P.Fisher I.R.Canfield P.C.
Ewha Authors
양인상
SCOPUS Author ID
양인상scopus
Issue Date
2000
Journal Title
Physica C: Superconductivity and its Applications
ISSN
0921-4534JCR Link
Citation
vol. 341-348, pp. IV/
Publisher
Elsevier Science Publishers B.V., Amsterdam, Netherlands
Indexed
SCI; SCIE; SCOPUS WOS scopus
Abstract
Borocarbide superconductors, which are thought to be conventional BCS-type superconductors, are not so conventional in several electronic Raman properties. Anisotropic gap-like features and finite scattering strength below the gap were observed for the RNi2B2C (R = Lu, Y) systems in our previous study. The effects of Co-doping on the 2Δ gap-like features and the finite scattering strength below and above the gap are studied in R = Lu (B = B11) system. In superconducting states, Co-doping strongly suppresses the 2Δ peak in both B2g and B1g symmetries. Raman cross-section calculation which includes inelastic scattering shows a relatively good fit to the features above the 2Δ peak, while it does not fully account for the features below the peak.
DOI
10.1016/S0921-4534(00)01106-0
Appears in Collections:
자연과학대학 > 물리학전공 > Journal papers
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