μSR study of the Cu-spin dynamics in the electron-doped high-T c cuprate of Pr0.86LaCe0.14Cu 1-y(Zn,Ni)yO4

Risdiana, T. Adachi, Y. Koike, I. Watanabe

研究成果: Conference article

2 引用 (Scopus)

抜粋

Effects of the Zn- and Ni-substitution on the Cu-spin dynamics in the electron-doped Pr0.86LaCe0.14Cu1- y(Zn,Ni)yO4+α- δ with y=0, 0.01, 0.02, 0.05 and different values of the reduced oxygen content δ have been studied using zero-field muon-spin-relaxation (μSR) measurements at temperatures down to 2 K. For the as-grown sample (δ=0, y=0) and the sample with a very small δ value (δ<0.01, y=0), a muon-spin precession due to long-range antiferromagnetic order has been observed. On the other hand, no precession has been observed for moderately oxygen-reduced samples (0.01≤δ≤0.09). It has been found that for all the samples of 0.01≤δ≤0.09 the asymmetry A(t) (μSR time spectrum) in the long-time region increases with decreasing temperature at low temperatures, suggesting possible slowing down of the Cu-spin fluctuations. On the other hand, no significant difference between Zn- and Ni-substitution effects on the slowing down of the Cu-spin fluctuations has been observed.

元の言語English
ページ(範囲)218-220
ページ数3
ジャーナルPhysica B: Condensed Matter
374-375
DOI
出版物ステータスPublished - 2006 3 31
イベントProceedings of the Tenth International Conference on Muon Spin Rotation, Relaxation and Resonance -
継続期間: 2005 8 82005 8 12

ASJC Scopus subject areas

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

フィンガープリント μSR study of the Cu-spin dynamics in the electron-doped high-T <sub>c</sub> cuprate of Pr<sub>0.86</sub>LaCe<sub>0.14</sub>Cu <sub>1-y</sub>(Zn,Ni)<sub>y</sub>O<sub>4</sub>' の研究トピックを掘り下げます。これらはともに一意のフィンガープリントを構成します。

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