In-plane anisotropy of the resistivity in 60 K YBCO single crystal under magnetic field

Tomoyuki Naito; Seiya Haraguchi; Tadashi Suzuki; Hideo Iwasaki; Takahiko Sasaki; Terukazu Nishizaki; Kenji Shibata; Norio Kobayashi

doi:10.1016/S0921-4534(01)00694-3

In-plane anisotropy of the resistivity in 60 K YBCO single crystal under magnetic field

Tomoyuki Naito, Seiya Haraguchi, Tadashi Suzuki, Hideo Iwasaki, Takahiko Sasaki, Terukazu Nishizaki, Kenji Shibata, Norio Kobayashi

Institute for Materials Research (IMR) (institute affiliation only)

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

1 Citation (Scopus)

Abstract

The in-plane anisotropy of the resistivity ρ_ab(θ) has been measured on a twinned 60 K YBa₂Cu₃O_7-δ (YBCO) single crystal under magnetic fields H precisely parallel to the CuO₂ planes. ρ_ab(θ) curves are described by the superposition of the twofold and fourfold symmetry, and the dip structure appears at θ = 0° and 90°. The fourfold anisotropy is first observed in YBCO system in the resistivity measurements. We show that the obtained results are explained by the superconducting fluctuation, the symmetry of the superconducting energy gap of the d-wave pairing and the effect of the vortex pinning.

Original language	English
Pages (from-to)	310-313
Number of pages	4
Journal	Physica C: Superconductivity and its applications
Volume	362
Issue number	1-4
DOIs	https://doi.org/10.1016/S0921-4534(01)00694-3
Publication status	Published - 2001 Sep

Keywords

60 K YBCO single crystal
In-plane anisotropy
Resistivity

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Energy Engineering and Power Technology
Electrical and Electronic Engineering

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In-plane anisotropy of the resistivity in 60 K YBCO single crystal under magnetic field. / Naito, Tomoyuki; Haraguchi, Seiya; Suzuki, Tadashi; Iwasaki, Hideo; Sasaki, Takahiko; Nishizaki, Terukazu; Shibata, Kenji; Kobayashi, Norio.

In: Physica C: Superconductivity and its applications, Vol. 362, No. 1-4, 09.2001, p. 310-313.

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

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abstract = "The in-plane anisotropy of the resistivity ρab(θ) has been measured on a twinned 60 K YBa2Cu3O7-δ (YBCO) single crystal under magnetic fields H precisely parallel to the CuO2 planes. ρab(θ) curves are described by the superposition of the twofold and fourfold symmetry, and the dip structure appears at θ = 0° and 90°. The fourfold anisotropy is first observed in YBCO system in the resistivity measurements. We show that the obtained results are explained by the superconducting fluctuation, the symmetry of the superconducting energy gap of the d-wave pairing and the effect of the vortex pinning.",

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author = "Tomoyuki Naito and Seiya Haraguchi and Tadashi Suzuki and Hideo Iwasaki and Takahiko Sasaki and Terukazu Nishizaki and Kenji Shibata and Norio Kobayashi",

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AU - Naito, Tomoyuki

AU - Haraguchi, Seiya

AU - Suzuki, Tadashi

AU - Iwasaki, Hideo

AU - Sasaki, Takahiko

AU - Nishizaki, Terukazu

AU - Shibata, Kenji

AU - Kobayashi, Norio

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AB - The in-plane anisotropy of the resistivity ρab(θ) has been measured on a twinned 60 K YBa2Cu3O7-δ (YBCO) single crystal under magnetic fields H precisely parallel to the CuO2 planes. ρab(θ) curves are described by the superposition of the twofold and fourfold symmetry, and the dip structure appears at θ = 0° and 90°. The fourfold anisotropy is first observed in YBCO system in the resistivity measurements. We show that the obtained results are explained by the superconducting fluctuation, the symmetry of the superconducting energy gap of the d-wave pairing and the effect of the vortex pinning.

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