Non-s-wave behavior of c-axis aligned Pr1.85Ce0.15CuO3.97 superconducting powder

H. C. Chiang; Y. Y. Hsu; B. C. Chang; B. N. Lin; T. I. Hsu; H. C. Ku

doi:10.1063/1.1356052

Non-s-wave behavior of c-axis aligned Pr_1.85Ce_0.15CuO_3.97 superconducting powder

H. C. Chiang, Y. Y. Hsu, B. C. Chang, B. N. Lin, T. I. Hsu, H. C. Ku^*

^*此作品的通信作者

研究成果: 雜誌貢獻 › 會議論文 › 同行評審

4 引文斯高帕斯（Scopus）

摘要

The tetragonal c-axis alignment of T_c=23 K Pr_1.85Ce_0.15CuO_3.97 superconducting powder was achieved in a 1 T alignment field with rotating powder/epoxy holder perpendicular to the alignment field. The in-plane penetration depth λ_ab for this electron-doped superconductor was derived using zero-field-cooled Meissner diamagnetic data with low applied field (B_a<H^ab_cl) parallel to the c-axis aligned powder. A small Pr paramagnetic contribution was subtracted. The temperature dependence of Δλ_ab(T) = λ_ab(T) - λ_ab(0) [with λ_ab(0) ∼ 133 nm] up to ∼0.5 T_c can be fitted well with a non-s-wave or d-wave-like power law Δλ_ab(T) = AT² + CT⁴, where the T² law is dominated at low temperature. The present result agrees with recent phase-sensitive experiment, which indicates d-wave nature for these electron-doped 214 cuprates.

原文	英語
頁（從 - 到）	7660-7662
頁數	3
期刊	Journal of Applied Physics
卷	89
發行號	11 II
DOIs	https://doi.org/10.1063/1.1356052
出版狀態	已發佈 - 2001 6月 1
對外發佈	是
事件	8th Joint Magnetism and Magnetic Materials-Intermag Conference - San Antonio, TX, 美国持續時間: 2001 1月 7 → 2001 1月 11

ASJC Scopus subject areas

一般物理與天文學

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title = "Non-s-wave behavior of c-axis aligned Pr1.85Ce0.15CuO3.97 superconducting powder",

abstract = "The tetragonal c-axis alignment of Tc=23 K Pr1.85Ce0.15CuO3.97 superconducting powder was achieved in a 1 T alignment field with rotating powder/epoxy holder perpendicular to the alignment field. The in-plane penetration depth λab for this electron-doped superconductor was derived using zero-field-cooled Meissner diamagnetic data with low applied field (Ba<Habcl) parallel to the c-axis aligned powder. A small Pr paramagnetic contribution was subtracted. The temperature dependence of Δλab(T) = λab(T) - λab(0) [with λab(0) ∼ 133 nm] up to ∼0.5 Tc can be fitted well with a non-s-wave or d-wave-like power law Δλab(T) = AT2 + CT4, where the T2 law is dominated at low temperature. The present result agrees with recent phase-sensitive experiment, which indicates d-wave nature for these electron-doped 214 cuprates.",

author = "Chiang, {H. C.} and Hsu, {Y. Y.} and Chang, {B. C.} and Lin, {B. N.} and Hsu, {T. I.} and Ku, {H. C.}",

year = "2001",

month = jun,

day = "1",

doi = "10.1063/1.1356052",

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volume = "89",

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journal = "Journal of Applied Physics",

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note = "8th Joint Magnetism and Magnetic Materials-Intermag Conference ; Conference date: 07-01-2001 Through 11-01-2001",

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TY - JOUR

T1 - Non-s-wave behavior of c-axis aligned Pr1.85Ce0.15CuO3.97 superconducting powder

AU - Chiang, H. C.

AU - Hsu, Y. Y.

AU - Chang, B. C.

AU - Lin, B. N.

AU - Hsu, T. I.

AU - Ku, H. C.

PY - 2001/6/1

Y1 - 2001/6/1

N2 - The tetragonal c-axis alignment of Tc=23 K Pr1.85Ce0.15CuO3.97 superconducting powder was achieved in a 1 T alignment field with rotating powder/epoxy holder perpendicular to the alignment field. The in-plane penetration depth λab for this electron-doped superconductor was derived using zero-field-cooled Meissner diamagnetic data with low applied field (Ba<Habcl) parallel to the c-axis aligned powder. A small Pr paramagnetic contribution was subtracted. The temperature dependence of Δλab(T) = λab(T) - λab(0) [with λab(0) ∼ 133 nm] up to ∼0.5 Tc can be fitted well with a non-s-wave or d-wave-like power law Δλab(T) = AT2 + CT4, where the T2 law is dominated at low temperature. The present result agrees with recent phase-sensitive experiment, which indicates d-wave nature for these electron-doped 214 cuprates.

AB - The tetragonal c-axis alignment of Tc=23 K Pr1.85Ce0.15CuO3.97 superconducting powder was achieved in a 1 T alignment field with rotating powder/epoxy holder perpendicular to the alignment field. The in-plane penetration depth λab for this electron-doped superconductor was derived using zero-field-cooled Meissner diamagnetic data with low applied field (Ba<Habcl) parallel to the c-axis aligned powder. A small Pr paramagnetic contribution was subtracted. The temperature dependence of Δλab(T) = λab(T) - λab(0) [with λab(0) ∼ 133 nm] up to ∼0.5 Tc can be fitted well with a non-s-wave or d-wave-like power law Δλab(T) = AT2 + CT4, where the T2 law is dominated at low temperature. The present result agrees with recent phase-sensitive experiment, which indicates d-wave nature for these electron-doped 214 cuprates.

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DO - 10.1063/1.1356052

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AN - SCOPUS:0346611487

SN - 0021-8979

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JO - Journal of Applied Physics

JF - Journal of Applied Physics

IS - 11 II

T2 - 8th Joint Magnetism and Magnetic Materials-Intermag Conference

Y2 - 7 January 2001 through 11 January 2001

ER -

Non-s-wave behavior of c-axis aligned Pr1.85Ce0.15CuO3.97 superconducting powder

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Non-s-wave behavior of c-axis aligned Pr_1.85Ce_0.15CuO_3.97 superconducting powder