Effects of non-magnetic impurities on Cu-spin dynamics and superconductivity in

T. Adachi; I. Watanabe; S. Yairi; K. Takahashi; Y. Koike; K. Nagamine

doi:10.1023/A:1023483111579

Effects of non-magnetic impurities on Cu-spin dynamics and superconductivity in

T. Adachi, I. Watanabe, S. Yairi, K. Takahashi, Y. Koike, K. Nagamine

Research output: Contribution to journal › Article › peer-review

8 Citations (Scopus)

Abstract

Muon-spin-relaxation (μSR) and magnetic susceptibility measurements have been carried out in La_2-xSr_x Cu_1-yZn_y O₄ with x = 0.13 changing y finely up to 0.10, with the aim at clarifying effects of the non-magnetic impurity Zn on the Cu-spin dynamics and superconductivity. It has been found that the y dependence of the volume fraction of the superconducting region estimated from susceptibility measurements highly correlates with that of the magnetically ordered region estimated from the μSR results. The rapid decrease in the superconducting region and the rapid increase in the magnetically ordered region by the doping of a small amount of Zn can be interpreted as follows; Zn pins the dynamical spin correlation or the dynamical stripe correlations and hence the superconductivity is destroyed around itself.

Original language	English
Pages (from-to)	843-847
Number of pages	5
Journal	Journal of Low Temperature Physics
Volume	131
Issue number	5-6
DOIs	https://doi.org/10.1023/A:1023483111579
Publication status	Published - 2003 Jun

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics
Materials Science(all)
Condensed Matter Physics

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abstract = "Muon-spin-relaxation (μSR) and magnetic susceptibility measurements have been carried out in La2-xSrx Cu1-yZny O4 with x = 0.13 changing y finely up to 0.10, with the aim at clarifying effects of the non-magnetic impurity Zn on the Cu-spin dynamics and superconductivity. It has been found that the y dependence of the volume fraction of the superconducting region estimated from susceptibility measurements highly correlates with that of the magnetically ordered region estimated from the μSR results. The rapid decrease in the superconducting region and the rapid increase in the magnetically ordered region by the doping of a small amount of Zn can be interpreted as follows; Zn pins the dynamical spin correlation or the dynamical stripe correlations and hence the superconductivity is destroyed around itself.",

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T1 - Effects of non-magnetic impurities on Cu-spin dynamics and superconductivity in

AU - Adachi, T.

AU - Watanabe, I.

AU - Yairi, S.

AU - Takahashi, K.

AU - Koike, Y.

AU - Nagamine, K.

PY - 2003/6

Y1 - 2003/6

N2 - Muon-spin-relaxation (μSR) and magnetic susceptibility measurements have been carried out in La2-xSrx Cu1-yZny O4 with x = 0.13 changing y finely up to 0.10, with the aim at clarifying effects of the non-magnetic impurity Zn on the Cu-spin dynamics and superconductivity. It has been found that the y dependence of the volume fraction of the superconducting region estimated from susceptibility measurements highly correlates with that of the magnetically ordered region estimated from the μSR results. The rapid decrease in the superconducting region and the rapid increase in the magnetically ordered region by the doping of a small amount of Zn can be interpreted as follows; Zn pins the dynamical spin correlation or the dynamical stripe correlations and hence the superconductivity is destroyed around itself.

AB - Muon-spin-relaxation (μSR) and magnetic susceptibility measurements have been carried out in La2-xSrx Cu1-yZny O4 with x = 0.13 changing y finely up to 0.10, with the aim at clarifying effects of the non-magnetic impurity Zn on the Cu-spin dynamics and superconductivity. It has been found that the y dependence of the volume fraction of the superconducting region estimated from susceptibility measurements highly correlates with that of the magnetically ordered region estimated from the μSR results. The rapid decrease in the superconducting region and the rapid increase in the magnetically ordered region by the doping of a small amount of Zn can be interpreted as follows; Zn pins the dynamical spin correlation or the dynamical stripe correlations and hence the superconductivity is destroyed around itself.

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Effects of non-magnetic impurities on Cu-spin dynamics and superconductivity in

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