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Evidence of conventional superconductivity in single-crystalline MgCNi 3

Title
Evidence of conventional superconductivity in single-crystalline MgCNi 3
Authors
Lee H.-S.Jang D.-J.Lee H.-G.Kang W.Cho M.H.Lee S.-I.
Ewha Authors
강원
SCOPUS Author ID
강원scopus
Issue Date
2008
Journal Title
Journal of Physics Condensed Matter
ISSN
0953-8984JCR Link
Citation
vol. 20, no. 25
Indexed
SCI; SCIE; SCOPUS WOS scopus
Abstract
Despite the strong expectation for a ferromagnetic ground state in MgCNi3, the real ground state shows superconductivity without any evidence of magnetism. In the electrical transport measurements on single-crystalline MgCNi3, we found that the ferromagnetic spin fluctuation either did not exist or was very suppressed and that MgCNi 3 could be well described by using the Bardeen-Cooper-Schrieffer theory. The evidence for this conclusion is as follows: (1) the normal-state resistivity could be explained by using the electron-phonon scattering model and (2) Hc2(T) near Tc was linear. © 2008 IOP Publishing Ltd.
DOI
10.1088/0953-8984/20/25/255222
Appears in Collections:
자연과학대학 > 물리학전공 > Journal papers
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