Field-induced magnetic order and thermal conductivity in La 1.87Sr0.13Cu1-yMyO4 (M = Zn, Ni)

T. Kawamata, M. Yamazaki, N. Takahashi, T. Adachi, T. Noji, Y. Koike, K. Kudo, N. Kobayashi

Research output: Contribution to journalConference articlepeer-review

7 Citations (Scopus)

Abstract

We have measured the thermal conductivity in the ab plane, κab, of La1.87Sr0.13Cu 1-yMyO4 (M = Zn, Ni; y = 0.01, 0.03, 0.10) single crystals in magnetic fields up to 14 T parallel to the c axis. By the application of magnetic field, κab has been found to be slightly suppressed at low temperatures for y(Zn) = 0.01 and y(Ni) = 0.01. The suppression of κab is smaller for y(Zn) = 0.01 than that for y(Ni) = 0.01. These results support the stripe-pinning model where the dynamically fluctuating stripes of spins and holes are regarded as being pinned by vortex cores, leading to the development of the static stripe order.

Original languageEnglish
Pages (from-to)469-472
Number of pages4
JournalPhysica C: Superconductivity and its applications
Volume426-431
Issue numberI
DOIs
Publication statusPublished - 2005 Oct 1
EventProceedings of the 17th International Symposium on Superconductivity (ISS 2004) Advances in Supeconductivity -
Duration: 2004 Nov 232004 Nov 25

Keywords

  • Field effects
  • Impurity effects
  • La-based high-T cuprate
  • Stripe order
  • Thermal conductivity

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Energy Engineering and Power Technology
  • Electrical and Electronic Engineering

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