Origin of positive out-of-plane magnetoconductivity in overdoped Bi1.6 Pb0.4 Sr2 CaCu1.96 Fe0.04 O8+δ

Takao Watanabe; Tomohiro Usui; Shintaro Adachi; Yuki Teramoto; Mihaly M. Dobroka; Itsuhiro Kakeya; Akihiro Kondo; Koichi Kindo; Shojiro Kimura

doi:10.1103/PhysRevB.94.174517

Origin of positive out-of-plane magnetoconductivity in overdoped Bi1.6 Pb0.4 Sr2 CaCu1.96 Fe0.04 O8+δ

Takao Watanabe, Tomohiro Usui, Shintaro Adachi, Yuki Teramoto, Mihaly M. Dobroka, Itsuhiro Kakeya, Akihiro Kondo, Koichi Kindo, Shojiro Kimura

High Field Laboratory for Superconducting Materials

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

2 Citations (Scopus)

Abstract

To elucidate the pseudogap phase diagram including the overdoped state of high transition temperature (high-Tc) cuprates, we must understand the origin of the positive out-of-plane magnetoconductivity observed in these compounds. For this purpose, the out-of-plane resistivity ρc(T,H) of an overdoped Bi1.6Pb0.4Sr2CaCu1.96Fe0.04O8+δ (Bi-2212) single crystal is measured under pulsed magnetic fields up to 60 T. We show that the superconducting density-of-states depletion effect, in addition to the pseudogap effect, clearly appears below the superconducting fluctuation regime, and the contribution becomes dominant in the superconducting state.

Original language	English
Article number	174517
Journal	Physical Review B
Volume	94
Issue number	17
DOIs	https://doi.org/10.1103/PhysRevB.94.174517
Publication status	Published - 2016 Nov 28

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

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10.1103/PhysRevB.94.174517

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title = "Origin of positive out-of-plane magnetoconductivity in overdoped Bi1.6 Pb0.4 Sr2 CaCu1.96 Fe0.04 O8+δ",

abstract = "To elucidate the pseudogap phase diagram including the overdoped state of high transition temperature (high-Tc) cuprates, we must understand the origin of the positive out-of-plane magnetoconductivity observed in these compounds. For this purpose, the out-of-plane resistivity ρc(T,H) of an overdoped Bi1.6Pb0.4Sr2CaCu1.96Fe0.04O8+δ (Bi-2212) single crystal is measured under pulsed magnetic fields up to 60 T. We show that the superconducting density-of-states depletion effect, in addition to the pseudogap effect, clearly appears below the superconducting fluctuation regime, and the contribution becomes dominant in the superconducting state.",

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T1 - Origin of positive out-of-plane magnetoconductivity in overdoped Bi1.6 Pb0.4 Sr2 CaCu1.96 Fe0.04 O8+δ

AU - Watanabe, Takao

AU - Usui, Tomohiro

AU - Adachi, Shintaro

AU - Teramoto, Yuki

AU - Dobroka, Mihaly M.

AU - Kakeya, Itsuhiro

AU - Kondo, Akihiro

AU - Kindo, Koichi

AU - Kimura, Shojiro

PY - 2016/11/28

Y1 - 2016/11/28

N2 - To elucidate the pseudogap phase diagram including the overdoped state of high transition temperature (high-Tc) cuprates, we must understand the origin of the positive out-of-plane magnetoconductivity observed in these compounds. For this purpose, the out-of-plane resistivity ρc(T,H) of an overdoped Bi1.6Pb0.4Sr2CaCu1.96Fe0.04O8+δ (Bi-2212) single crystal is measured under pulsed magnetic fields up to 60 T. We show that the superconducting density-of-states depletion effect, in addition to the pseudogap effect, clearly appears below the superconducting fluctuation regime, and the contribution becomes dominant in the superconducting state.

AB - To elucidate the pseudogap phase diagram including the overdoped state of high transition temperature (high-Tc) cuprates, we must understand the origin of the positive out-of-plane magnetoconductivity observed in these compounds. For this purpose, the out-of-plane resistivity ρc(T,H) of an overdoped Bi1.6Pb0.4Sr2CaCu1.96Fe0.04O8+δ (Bi-2212) single crystal is measured under pulsed magnetic fields up to 60 T. We show that the superconducting density-of-states depletion effect, in addition to the pseudogap effect, clearly appears below the superconducting fluctuation regime, and the contribution becomes dominant in the superconducting state.

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Origin of positive out-of-plane magnetoconductivity in overdoped Bi1.6 Pb0.4 Sr2 CaCu1.96 Fe0.04 O8+δ

Abstract

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