Nuclear relaxation rates at copper and oxygen sites in YBa/sub 2/Cu/sub 3/O/sub 7/

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We report NMR measurements of the nuclear relaxation rate at all copper and oxygen sites in magnetically aligned powder samples of YBa/sub 2/Cu/sub 3/O/sub 7/. There is no peak in the oxygen relaxation rate below T/sub c/ at any oxygen site supporting the possibility that d-wave pairs are formed in the superconducting state. Comparison of the oxygen and copper rates in the planes reveals a characteristic temperature greater than T/sub c/. 6 refs., 2 figs.

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Pages: 3

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Hammel, P.C.; Takigawa, M.; Heffner, R.H.; Fisk, Z. & Ott, K.C. January 1, 1989.

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We report NMR measurements of the nuclear relaxation rate at all copper and oxygen sites in magnetically aligned powder samples of YBa/sub 2/Cu/sub 3/O/sub 7/. There is no peak in the oxygen relaxation rate below T/sub c/ at any oxygen site supporting the possibility that d-wave pairs are formed in the superconducting state. Comparison of the oxygen and copper rates in the planes reveals a characteristic temperature greater than T/sub c/. 6 refs., 2 figs.

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Pages: 3

Notes

NTIS, PC A02/MF A01 - OSTI; 1.

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  • International conference on materials and mechanisms of superconductivity - high-temperature superconductors, Stanford, CA, USA, 23 Jul 1989

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  • Other: DE89014308
  • Report No.: LA-UR-89-2059
  • Report No.: CONF-890718-5
  • Grant Number: W-7405-ENG-36
  • Office of Scientific & Technical Information Report Number: 6093543
  • Archival Resource Key: ark:/67531/metadc1113267

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  • January 1, 1989

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  • Feb. 22, 2018, 7:45 p.m.

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  • May 30, 2018, 12:19 p.m.

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Hammel, P.C.; Takigawa, M.; Heffner, R.H.; Fisk, Z. & Ott, K.C. Nuclear relaxation rates at copper and oxygen sites in YBa/sub 2/Cu/sub 3/O/sub 7/, article, January 1, 1989; New Mexico. (digital.library.unt.edu/ark:/67531/metadc1113267/: accessed July 22, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.