NMR of high-Tc superconductors

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

doi:10.1142/s0217979298002337

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 journal › Article › peer-review

2 Citations (Scopus)

Abstract

Recent NMR measurements on high-T_c materials by our group are reviewed. Study of YBa₂Cu₃O₇+Ni has revealed that the attractive force is spin in origin. Analysis of T₁, the Knight shift K and T_2G in Tl₂Ba₂Ca₂CuO₁₀ (T12223), HgBa₂Ca₂Cu₃O₈ (Hg1223), HgBa₂Ca₃Cu₄O₁₀ (Hg1234) and YBa₂Cu₄O₈ (Y1248) supports the antiferromagnetic spin fluctuation (AFSF)-rnediated-superconductivity-model. The temperatures at which a pseudogap starts to open obtained by 1/T₁T, dK/dT, photoemission, resistivity and STM all agree with each other in Bi₂Sr₂CaCu₂O₈ (Bi2212). The origin of the pseudogap is discussed.

Original language	English
Pages (from-to)	3207-3215
Number of pages	9
Journal	International Journal of Modern Physics B
Volume	12
Issue number	29-31
DOIs	https://doi.org/10.1142/s0217979298002337
Publication status	Published - Dec 20 1998

ASJC Scopus subject areas

Statistical and Nonlinear Physics
Condensed Matter Physics

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title = "NMR of high-Tc superconductors",

abstract = "Recent NMR measurements on high-Tc materials by our group are reviewed. Study of YBa2Cu3O7+Ni has revealed that the attractive force is spin in origin. Analysis of T1, the Knight shift K and T2G in Tl2Ba2Ca2CuO10 (T12223), HgBa2Ca2Cu3O8 (Hg1223), HgBa2Ca3Cu4O10 (Hg1234) and YBa2Cu4O8 (Y1248) supports the antiferromagnetic spin fluctuation (AFSF)-rnediated-superconductivity-model. The temperatures at which a pseudogap starts to open obtained by 1/T1T, dK/dT, photoemission, resistivity and STM all agree with each other in Bi2Sr2CaCu2O8 (Bi2212). The origin of the pseudogap is discussed.",

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T1 - NMR of high-Tc superconductors

AU - Asayama, K.

AU - Kitaoka, Y.

AU - Zheng, G. Q.

AU - Ishida, K.

AU - Magishi, K.

AU - Tokunaga, Y.

AU - Yoshida, K.

PY - 1998/12/20

Y1 - 1998/12/20

N2 - Recent NMR measurements on high-Tc materials by our group are reviewed. Study of YBa2Cu3O7+Ni has revealed that the attractive force is spin in origin. Analysis of T1, the Knight shift K and T2G in Tl2Ba2Ca2CuO10 (T12223), HgBa2Ca2Cu3O8 (Hg1223), HgBa2Ca3Cu4O10 (Hg1234) and YBa2Cu4O8 (Y1248) supports the antiferromagnetic spin fluctuation (AFSF)-rnediated-superconductivity-model. The temperatures at which a pseudogap starts to open obtained by 1/T1T, dK/dT, photoemission, resistivity and STM all agree with each other in Bi2Sr2CaCu2O8 (Bi2212). The origin of the pseudogap is discussed.

AB - Recent NMR measurements on high-Tc materials by our group are reviewed. Study of YBa2Cu3O7+Ni has revealed that the attractive force is spin in origin. Analysis of T1, the Knight shift K and T2G in Tl2Ba2Ca2CuO10 (T12223), HgBa2Ca2Cu3O8 (Hg1223), HgBa2Ca3Cu4O10 (Hg1234) and YBa2Cu4O8 (Y1248) supports the antiferromagnetic spin fluctuation (AFSF)-rnediated-superconductivity-model. The temperatures at which a pseudogap starts to open obtained by 1/T1T, dK/dT, photoemission, resistivity and STM all agree with each other in Bi2Sr2CaCu2O8 (Bi2212). The origin of the pseudogap is discussed.

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