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- Title
Competition between Superconductivity and Charge-density Wave Order in Na<sub>0.3</sub>CoO<sub>2</sub>⋅1.3H<sub>2</sub>O.
- Authors
Fu, H.; Oeschler, N.; Fisher, R. A.; Phillips, N. E.; Gordon, J. E.; Lee, D. -H.; Foo, M. -L.; Cava, R. J.
- Abstract
Three samples of Na0.3CoO2⋅1.3H2O that differed in sample age showed different ordering: after three and five days, superconductivity with Tc∼4.5 K but different superconducting condensates; after 40 days, no superconductivity but charge-density wave order at TCDW∼7 K. A pair-breaking action that progresses with sample age and acts preferentially in one of two electron bands produces the changes in the superconducting condensate, and ultimately destroys the superconductivity. Theoretical calculations predicted the charge-density wave transition.
- Subjects
SUPERCONDUCTIVITY; THERMAL electrons; CHARGE density waves; THERMAL conductivity of metals; COBALT compounds; ENERGY bands; ELECTRON distribution
- Publication
Journal of Superconductivity & Novel Magnetism, 2009, Vol 22, Issue 3, p295
- ISSN
1557-1939
- Publication type
Article
- DOI
10.1007/s10948-008-0428-7