Peak effect on magnetic hysteresis in oxygen-overdoped single crystals of Tl2Ba2CuO6+δ

Ming Xu; T. W. Li; D. G. Hinks; G. W. Crabtree; H. M. Jaeger; Haruyoshi Aoki

Peak effect on magnetic hysteresis in oxygen-overdoped single crystals of Tl₂Ba₂CuO_6+δ

Ming Xu, T. W. Li, D. G. Hinks, G. W. Crabtree, H. M. Jaeger, Haruyoshi Aoki

Science

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

14 Citations (Scopus)

Abstract

Magnetic hysteresis loops in single crystals of Tl₂Ba₂CuO_6+δ for H∥c have been investigated in order to study the peak effect or "fishtail" feature. The peak effect was observed in a series of oxygen-overdoped crystals covering a wide range in T_c. The peak fields H_pk show scaling behavior with reduced temperature T/T_c, and the normalized slope (T_c/H_pk) (dH_pk/dT) is found to assume a nearly constant value for all investigated overdoped Tl-2201 crystals. This suggests that the underlying mechanism for the origin of the peak effect is independent of oxygen defect concentration.

Original language	English
Pages (from-to)	13632-13634
Number of pages	3
Journal	Physical Review B - Condensed Matter and Materials Physics
Volume	59
Issue number	21
Publication status	Published - 1999

ASJC Scopus subject areas

Condensed Matter Physics

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abstract = "Magnetic hysteresis loops in single crystals of Tl2Ba2CuO6+δ for H∥c have been investigated in order to study the peak effect or {"}fishtail{"} feature. The peak effect was observed in a series of oxygen-overdoped crystals covering a wide range in Tc. The peak fields Hpk show scaling behavior with reduced temperature T/Tc, and the normalized slope (Tc/Hpk) (dHpk/dT) is found to assume a nearly constant value for all investigated overdoped Tl-2201 crystals. This suggests that the underlying mechanism for the origin of the peak effect is independent of oxygen defect concentration.",

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T1 - Peak effect on magnetic hysteresis in oxygen-overdoped single crystals of Tl2Ba2CuO6+δ

AU - Xu, Ming

AU - Li, T. W.

AU - Hinks, D. G.

AU - Crabtree, G. W.

AU - Jaeger, H. M.

AU - Aoki, Haruyoshi

PY - 1999

Y1 - 1999

N2 - Magnetic hysteresis loops in single crystals of Tl2Ba2CuO6+δ for H∥c have been investigated in order to study the peak effect or "fishtail" feature. The peak effect was observed in a series of oxygen-overdoped crystals covering a wide range in Tc. The peak fields Hpk show scaling behavior with reduced temperature T/Tc, and the normalized slope (Tc/Hpk) (dHpk/dT) is found to assume a nearly constant value for all investigated overdoped Tl-2201 crystals. This suggests that the underlying mechanism for the origin of the peak effect is independent of oxygen defect concentration.

AB - Magnetic hysteresis loops in single crystals of Tl2Ba2CuO6+δ for H∥c have been investigated in order to study the peak effect or "fishtail" feature. The peak effect was observed in a series of oxygen-overdoped crystals covering a wide range in Tc. The peak fields Hpk show scaling behavior with reduced temperature T/Tc, and the normalized slope (Tc/Hpk) (dHpk/dT) is found to assume a nearly constant value for all investigated overdoped Tl-2201 crystals. This suggests that the underlying mechanism for the origin of the peak effect is independent of oxygen defect concentration.

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JO - Physical Review B - Condensed Matter and Materials Physics

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Peak effect on magnetic hysteresis in oxygen-overdoped single crystals of Tl₂Ba₂CuO_6+δ

Abstract

ASJC Scopus subject areas

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