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  Extremely Strong Dependence of Superconductivity on Disorder in Sr2RuO4

Mackenzie, A. P., Haselwimmer, R., Tyler, A., Lonzarich, G., Mori, Y., Nishizaki, S., et al. (1998). Extremely Strong Dependence of Superconductivity on Disorder in Sr2RuO4. Physical Review Letters, 80(1), 161-164. doi:10.1103/PhysRevLett.80.161.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0018-EE22-6 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0018-EE29-7
Genre: Journal Article

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 Creators:
Mackenzie, A. P.1, Author              
Haselwimmer, R.K.W.2, Author
Tyler, A.W.2, Author
Lonzarich, G.G.2, Author
Mori, Y.2, Author
Nishizaki, S.2, Author
Maeno, Y.2, Author
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1External Organizations, ou_persistent22              
2external, ou_persistent22              

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 Abstract: A key signature of unconventional or non-s-wave superconductivity is a strong suppression of T-c, by nonmagnetic as well as by magnetic impurities. We report measurements of chemical composition and of transport properties in the same single crystals of Sr2RuO4 which show that nonmagnetic impurities destroy superconductivity when the residual resistivity exceeds 1 mu Omega cm, i.e., when the carrier mean free path falls below the superconducting coherence length. This behavior strongly supports models of non-s-wave (e.g., p-or d-wave) pairing in this layered perovskite oxide.

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 Dates: 1998-01-05
 Publication Status: Published in print
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Title: Physical Review Letters
  Other : Phys. Rev. Lett.
Source Genre: Journal
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Publ. Info: Woodbury, N.Y. : American Physical Society
Pages: - Volume / Issue: 80 (1) Sequence Number: - Start / End Page: 161 - 164 Identifier: ISSN: 0031-9007
CoNE: /journals/resource/954925433406_1