Nuclear magnetic resonance in atomic-scale superconductor/magnet multilayered systems

Yoshiharu Kanegae, Yoji Ohashi

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

We investigate the nuclear spin-lattice relaxation rate (T 1T)-1 in atomic-scale superconductor/magnet multilayered systems and discuss the discrepancy between two recent (T1T) -1 experiments on Ru in RuSr2YCu2O8. When the magnetic layers are in the antiferromagnetic state, (T 1T)-1 in the magnetic layers is shown to decrease with decreasing temperature due to the excitation gap associated with the magnetic ordering. The proximity effect of superconductivity on (T1T) -1 in the magnetic layer is negligibly small. Our result indicates that the temperature dependence of (T1T)-1 on Ru in RuSr2YCu2O8 likely originates from the antiferromagnetism in the RuO2 layers, but not from the superconductivity in the CuO2 layers.

Original languageEnglish
Pages (from-to)1631-1634
Number of pages4
JournalJournal of the Physical Society of Japan
Volume72
Issue number7
DOIs
Publication statusPublished - 2003 Jul 1
Externally publishedYes

Keywords

  • High-T superconductivity
  • Nuclear spin-lattice relaxation rate
  • RuSrYCuO

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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