NMR evidence for coexistence of superconductivity and ferromagnetic component in magnetic superconductor RuSr2YCu2O8: 99,101Ru and 63Cu NMR

Y. Tokunaga, H. Kotegawa, K. Ishida, Y. Kitaoka, H. Takagiwa, Jun Akimitsu

Research output: Contribution to journalArticle

137 Citations (Scopus)

Abstract

A study of the coexistence of superconductivity and ferromagnetism in magnetic superconductor RuSr2YCu2O8 (RuY1212) was performed. The analysis was performed using Ru- and Cu-NMR studies. The ordered RuO2 plane showed the existence of ferromagnetic (FM) component below a Curie temperature of 150 K. A decrease of the nuclear spin-lattice relaxation state was observed just below the onset temperature of superconductivity. Motion of self-induced vortices originated from fluctuations of the FM component induced resistivity in RuY1212.

Original languageEnglish
Pages (from-to)5767-5770
Number of pages4
JournalPhysical Review Letters
Volume86
Issue number25
DOIs
Publication statusPublished - Jun 18 2001
Externally publishedYes

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superconductivity
nuclear magnetic resonance
spin-lattice relaxation
nuclear spin
ferromagnetism
Curie temperature
vortices
electrical resistivity
temperature

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

NMR evidence for coexistence of superconductivity and ferromagnetic component in magnetic superconductor RuSr2YCu2O8 : 99,101Ru and 63Cu NMR. / Tokunaga, Y.; Kotegawa, H.; Ishida, K.; Kitaoka, Y.; Takagiwa, H.; Akimitsu, Jun.

In: Physical Review Letters, Vol. 86, No. 25, 18.06.2001, p. 5767-5770.

Research output: Contribution to journalArticle

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