Ni-substitution effects on Cu-spin correlation in La2 - x Srx Cu1 - y Niy O4 relating to hole trapping and stripe pinning

Yoichi Tanabe; Tadashi Adachi; Risdiana; Takayuki Kawamata; Takao Suzuki; Isao Watanabe; Yoji Koike

doi:10.1016/j.physb.2008.11.190

Ni-substitution effects on Cu-spin correlation in La_{2 - x} Sr_x Cu_{1 - y} Ni_y O₄ relating to hole trapping and stripe pinning

Yoichi Tanabe, Tadashi Adachi, Risdiana, Takayuki Kawamata, Takao Suzuki, Isao Watanabe, Yoji Koike

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

14 Citations (Scopus)

Abstract

In order to investigate Ni-impurity effects on the Cu-spin dynamics in a wide range of hole concentration, we have performed zero-field muon-spin-relaxation measurements in La_{2 - x} Sr_x Cu_{1 - y} Ni_y O₄ (LSCNO) with x = 0.08 - 0.30 and y = 0 - 0.10. It has been found that the hole-trapping effect of Ni clearly appears in heavily Ni-substituted LSCNO with y ≥ 0.05, while the stripe-pinning effect of Ni is marked in lightly Ni-substituted LSCNO around x = frac(1, 8).

Original language	English
Pages (from-to)	717-719
Number of pages	3
Journal	Physica B: Condensed Matter
Volume	404
Issue number	5-7
DOIs	https://doi.org/10.1016/j.physb.2008.11.190
Publication status	Published - 2009 Apr 15
Externally published	Yes

Keywords

Hole-trapping effect
La Sr Cu Ni O
Stripe-pinning effect

ASJC Scopus subject areas

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

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Ni-substitution effects on Cu-spin correlation in La_{2 - x} Sr_x Cu_{1 - y} Ni_y O₄ relating to hole trapping and stripe pinning. / Tanabe, Yoichi; Adachi, Tadashi; Risdiana; Kawamata, Takayuki; Suzuki, Takao; Watanabe, Isao; Koike, Yoji.

In: Physica B: Condensed Matter, Vol. 404, No. 5-7, 15.04.2009, p. 717-719.

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

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abstract = "In order to investigate Ni-impurity effects on the Cu-spin dynamics in a wide range of hole concentration, we have performed zero-field muon-spin-relaxation measurements in La2 - x Srx Cu1 - y Niy O4 (LSCNO) with x = 0.08 - 0.30 and y = 0 - 0.10. It has been found that the hole-trapping effect of Ni clearly appears in heavily Ni-substituted LSCNO with y ≥ 0.05, while the stripe-pinning effect of Ni is marked in lightly Ni-substituted LSCNO around x = frac(1, 8).",

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AU - Tanabe, Yoichi

AU - Adachi, Tadashi

AU - Risdiana,

AU - Kawamata, Takayuki

AU - Suzuki, Takao

AU - Watanabe, Isao

AU - Koike, Yoji

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AB - In order to investigate Ni-impurity effects on the Cu-spin dynamics in a wide range of hole concentration, we have performed zero-field muon-spin-relaxation measurements in La2 - x Srx Cu1 - y Niy O4 (LSCNO) with x = 0.08 - 0.30 and y = 0 - 0.10. It has been found that the hole-trapping effect of Ni clearly appears in heavily Ni-substituted LSCNO with y ≥ 0.05, while the stripe-pinning effect of Ni is marked in lightly Ni-substituted LSCNO around x = frac(1, 8).

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