Evidence of conventional superconductivity in single-crystalline MgCNi3
SCIE
SCOPUS
- Title
- Evidence of conventional superconductivity in single-crystalline MgCNi3
- Authors
- Lee, HS; Jang, DJ; Lee, HG; Kang, W; Cho, MH; Lee, SI
- Date Issued
- 2008-06-25
- Publisher
- IOP PUBLISHING LTD
- 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 MgCNi3 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) H-c2(T) near T-c was linear.
- Keywords
- VORTEX LATTICE; ELECTRICAL-RESISTIVITY; CRITICAL FIELD; TEMPERATURE; TRANSITION; SATURATION; TRANSPORT; DYNAMICS
- URI
- https://oasis.postech.ac.kr/handle/2014.oak/22723
- DOI
- 10.1088/0953-8984/20/25/255222
- ISSN
- 0953-8984
- Article Type
- Article
- Citation
- JOURNAL OF PHYSICS-CONDENSED MATTER, vol. 20, no. 25, 2008-06-25
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