NMR of high-T c superconductors

K. Asayama, Y. Kitaoka, G. Q. Zheng, K. Ishida, K. Magishi, Y. Tokunaga, K. Yoshida

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Recent NMR measurements on high-T c materials by our group are reviewed. Study of YBa 2Cu 3O 7+Ni has revealed that the attractive force is spin in origin. Analysis of T 1, the Knight shift K and T 2G in Tl 2Ba 2Ca 2CuO 10 (T12223), HgBa 2Ca 2Cu 3O 8 (Hg1223), HgBa 2Ca 3Cu 4O 10 (Hg1234) and YBa 2Cu 4O 8 (Y1248) supports the antiferromagnetic spin fluctuation (AFSF)-rnediated-superconductivity-model. The temperatures at which a pseudogap starts to open obtained by 1/T 1T, dK/dT, photoemission, resistivity and STM all agree with each other in Bi 2Sr 2CaCu 2O 8 (Bi2212). The origin of the pseudogap is discussed.

Original languageEnglish
Pages (from-to)3207-3215
Number of pages9
JournalInternational Journal of Modern Physics B
Volume12
Issue number29-31
Publication statusPublished - Dec 20 1998
Externally publishedYes

ASJC Scopus subject areas

  • Statistical and Nonlinear Physics
  • Condensed Matter Physics

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    Asayama, K., Kitaoka, Y., Zheng, G. Q., Ishida, K., Magishi, K., Tokunaga, Y., & Yoshida, K. (1998). NMR of high-T c superconductors. International Journal of Modern Physics B, 12(29-31), 3207-3215.