NMR of high Tc superconductors

K. Asayama, Y. Kitanka, G. Q. Zheng, K. Ishida, K. Magishi, T. Mito, Y. Tokunaga

Research output: Contribution to journalReview articlepeer-review

4 Citations (Scopus)


Results of our NMR measurements of high Tc superconductors are reviewed. From systematic measurements of NQR frequency, Knight shift, nuclear spin lattice relaxation rate and nuclear transverse relaxation rate over a wide hole concentration range from light to heavy doped compounds together with the impurity and pressure effect, following results are concluded. The numbers of the holes at the respective sites of Cu and O site in the CuO2 plane govern the several physical properties of the system. There are optimum values of these hole numbers to produce highest Tc. The superconducting properties are well explained consistently by the d-wave pairing model. Tc is found to be correlated intimately with the antiferromagnetic spin fluctuation parameters that governs the nuclear relaxation. The mechanism for the superconductivity is magnetic in origin.

Original languageEnglish
Pages (from-to)3187-3194
Number of pages8
JournalCzechoslovak Journal of Physics
Issue numberSUPPL. 6
Publication statusPublished - 1996
Externally publishedYes

ASJC Scopus subject areas

  • Physics and Astronomy(all)


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