d-Wave superconductivity develops out of the Fermi liquid ground state in electron-doped superconductor Pr0.91Ce0.09LaCuO 4-y

Guo-Qing Zheng, T. Sato, Y. Kitaoka, M. Fujita, K. Yamada

Research output: Contribution to journalArticle

Abstract

NMR measurements on n-type copper-oxide Pr0.91Ce 0.09LaCuO4-y (Tc=24 K) are reported. The results of the spin-lattice relaxation rate and the Knight shift indicate that the superconducting gap possesses line nodes, consistent with d-wave symmetry. We further find that no pseudogap appears in the normal state even though the present sample is low-doped. The latter property contrasts with that in p-type copper-oxides with similar doping level where superconductivity sets in a pseudogap state.

Original languageEnglish
Pages (from-to)319-320
Number of pages2
JournalPhysica C: Superconductivity and its Applications
Volume408-410
Issue number1-4
DOIs
Publication statusPublished - Aug 2004
Externally publishedYes

Fingerprint

Fermi liquids
Copper oxides
copper oxides
Superconductivity
Ground state
Superconducting materials
superconductivity
nuclear magnetic resonance
ground state
Spin-lattice relaxation
Electrons
spin-lattice relaxation
electrons
Doping (additives)
Nuclear magnetic resonance
symmetry

Keywords

  • d-wave
  • Electron-doped cuprate
  • NMR
  • PrCeLaCuO

ASJC Scopus subject areas

  • Condensed Matter Physics

Cite this

d-Wave superconductivity develops out of the Fermi liquid ground state in electron-doped superconductor Pr0.91Ce0.09LaCuO 4-y. / Zheng, Guo-Qing; Sato, T.; Kitaoka, Y.; Fujita, M.; Yamada, K.

In: Physica C: Superconductivity and its Applications, Vol. 408-410, No. 1-4, 08.2004, p. 319-320.

Research output: Contribution to journalArticle

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AU - Yamada, K.

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AB - NMR measurements on n-type copper-oxide Pr0.91Ce 0.09LaCuO4-y (Tc=24 K) are reported. The results of the spin-lattice relaxation rate and the Knight shift indicate that the superconducting gap possesses line nodes, consistent with d-wave symmetry. We further find that no pseudogap appears in the normal state even though the present sample is low-doped. The latter property contrasts with that in p-type copper-oxides with similar doping level where superconductivity sets in a pseudogap state.

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