Nuclear Spin-Lattice Relaxation of 139La in Superconducting (La1-xSrx)2CuO4

Tatsuo Kobayashi, Shinji Wada

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9 Citations (Scopus)

Abstract

Nuclear spin-lattice relaxation times T1 of 139La in high-Tc superconductor (La1-x Srx)2CuO4 (x=0.075,0.10) have been measured in zero field. T-11 in the superconducting state decreases rapidly, indicating a superconducting energy gap formation, but no signs of T-11 enhancement are observed just below Tc. T-11 in the normal state shows slightly stronger temperature dependence than that expected from the Korringa relation (T1T= const.) observed in a highly Sr-doped, nonsuperconducting compound with x=0.15.

Original languageEnglish
Pages (from-to)2662-2664
Number of pages3
Journaljournal of the physical society of japan
Volume58
Issue number8
DOIs
Publication statusPublished - 1989

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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