Unscaling superconducting parameters with Tc for Bi-2212 and Bi-2223: A magnetotransport study in the superconductive fluctuation regime

Shintaro Adachi; Tomohiro Usui; Yasuhito Ito; Hironobu Kudo; Haruki Kushibiki; Kosuke Murata; Takao Watanabe; Kazutaka Kudo; Terukazu Nishizaki; Norio Kobayashi; Shojiro Kimura; Masaki Fujita; Kazuyoshi Yamada; Takashi Noji; Yoji Koike; Takenori Fujii

doi:10.7566/JPSJ.84.024706

Unscaling superconducting parameters with T_c for Bi-2212 and Bi-2223: A magnetotransport study in the superconductive fluctuation regime

Shintaro Adachi, Tomohiro Usui, Yasuhito Ito, Hironobu Kudo, Haruki Kushibiki, Kosuke Murata, Takao Watanabe, Kazutaka Kudo, Terukazu Nishizaki, Norio Kobayashi, Shojiro Kimura, Masaki Fujita, Kazuyoshi Yamada, Takashi Noji, Yoji Koike, Takenori Fujii

Graduate School of Natural Science and Technology

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

9 Citations (Scopus)

Abstract

To investigate the origin of the enhanced T_c (≈ 110 K) of the trilayer cuprate superconductor Bi₂Sr₂Ca₂Cu₃O_10+δ (Bi-2223), we have performed systematic magnetoresistance (MR) measurements on this superconductor, as well as on the bilayer superconductor, Bi₂Sr₂CaCu₂O_8+δ (Bi-2212). The in-plane coherence length, ξ_ab, and the specific-heat jump, ΔC, have been estimated using the theory of renormalized superconductive fluctuations, and the doping dependence of these parameters has been qualitatively explained using the Fermi arc approach. A detailed comparison of the superconducting parameters with T_c for these compounds suggests that an additional superconducting condensation energy exists, due to an increase in the number of stacking CuO₂ planes in a unit cell.

Original language	English
Article number	024706
Journal	journal of the physical society of japan
Volume	84
Issue number	2
DOIs	https://doi.org/10.7566/JPSJ.84.024706
Publication status	Published - Feb 15 2015

ASJC Scopus subject areas

Physics and Astronomy(all)

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Adachi, S., Usui, T., Ito, Y., Kudo, H., Kushibiki, H., Murata, K., Watanabe, T., Kudo, K., Nishizaki, T., Kobayashi, N., Kimura, S., Fujita, M., Yamada, K., Noji, T., Koike, Y., & Fujii, T. (2015). Unscaling superconducting parameters with T_c for Bi-2212 and Bi-2223: A magnetotransport study in the superconductive fluctuation regime. journal of the physical society of japan, 84(2), [024706]. https://doi.org/10.7566/JPSJ.84.024706

Adachi, S, Usui, T, Ito, Y, Kudo, H, Kushibiki, H, Murata, K, Watanabe, T, Kudo, K, Nishizaki, T, Kobayashi, N, Kimura, S, Fujita, M, Yamada, K, Noji, T, Koike, Y & Fujii, T 2015, 'Unscaling superconducting parameters with T_c for Bi-2212 and Bi-2223: A magnetotransport study in the superconductive fluctuation regime', journal of the physical society of japan, vol. 84, no. 2, 024706. https://doi.org/10.7566/JPSJ.84.024706

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abstract = "To investigate the origin of the enhanced Tc (≈ 110 K) of the trilayer cuprate superconductor Bi2Sr2Ca2Cu3O10+δ (Bi-2223), we have performed systematic magnetoresistance (MR) measurements on this superconductor, as well as on the bilayer superconductor, Bi2Sr2CaCu2O8+δ (Bi-2212). The in-plane coherence length, ξab, and the specific-heat jump, ΔC, have been estimated using the theory of renormalized superconductive fluctuations, and the doping dependence of these parameters has been qualitatively explained using the Fermi arc approach. A detailed comparison of the superconducting parameters with Tc for these compounds suggests that an additional superconducting condensation energy exists, due to an increase in the number of stacking CuO2 planes in a unit cell.",

author = "Shintaro Adachi and Tomohiro Usui and Yasuhito Ito and Hironobu Kudo and Haruki Kushibiki and Kosuke Murata and Takao Watanabe and Kazutaka Kudo and Terukazu Nishizaki and Norio Kobayashi and Shojiro Kimura and Masaki Fujita and Kazuyoshi Yamada and Takashi Noji and Yoji Koike and Takenori Fujii",

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AU - Adachi, Shintaro

AU - Usui, Tomohiro

AU - Ito, Yasuhito

AU - Kudo, Hironobu

AU - Kushibiki, Haruki

AU - Murata, Kosuke

AU - Watanabe, Takao

AU - Kudo, Kazutaka

AU - Nishizaki, Terukazu

AU - Kobayashi, Norio

AU - Kimura, Shojiro

AU - Fujita, Masaki

AU - Yamada, Kazuyoshi

AU - Noji, Takashi

AU - Koike, Yoji

AU - Fujii, Takenori

PY - 2015/2/15

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N2 - To investigate the origin of the enhanced Tc (≈ 110 K) of the trilayer cuprate superconductor Bi2Sr2Ca2Cu3O10+δ (Bi-2223), we have performed systematic magnetoresistance (MR) measurements on this superconductor, as well as on the bilayer superconductor, Bi2Sr2CaCu2O8+δ (Bi-2212). The in-plane coherence length, ξab, and the specific-heat jump, ΔC, have been estimated using the theory of renormalized superconductive fluctuations, and the doping dependence of these parameters has been qualitatively explained using the Fermi arc approach. A detailed comparison of the superconducting parameters with Tc for these compounds suggests that an additional superconducting condensation energy exists, due to an increase in the number of stacking CuO2 planes in a unit cell.

AB - To investigate the origin of the enhanced Tc (≈ 110 K) of the trilayer cuprate superconductor Bi2Sr2Ca2Cu3O10+δ (Bi-2223), we have performed systematic magnetoresistance (MR) measurements on this superconductor, as well as on the bilayer superconductor, Bi2Sr2CaCu2O8+δ (Bi-2212). The in-plane coherence length, ξab, and the specific-heat jump, ΔC, have been estimated using the theory of renormalized superconductive fluctuations, and the doping dependence of these parameters has been qualitatively explained using the Fermi arc approach. A detailed comparison of the superconducting parameters with Tc for these compounds suggests that an additional superconducting condensation energy exists, due to an increase in the number of stacking CuO2 planes in a unit cell.

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Unscaling superconducting parameters with T_c for Bi-2212 and Bi-2223: A magnetotransport study in the superconductive fluctuation regime

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