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

H. C. Chiang, Yung-Yuan Hsu, B. C. Chang, B. N. Lin, T. I. Hsu, H. C. Ku

Research output: Contribution to journalConference article

4 Citations (Scopus)

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.

Original languageEnglish
Pages (from-to)7660-7662
Number of pages3
JournalJournal of Applied Physics
Volume89
Issue number11 II
DOIs
Publication statusPublished - 2001 Jun 1
Event8th Joint Magnetism and Magnetic Materials-Intermag Conference - San Antonio, TX, United States
Duration: 2001 Jan 72001 Jan 11

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alignment
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electrons
penetration
temperature dependence

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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Non-s-wave behavior of c-axis aligned Pr1.85Ce0.15CuO3.97 superconducting powder. / Chiang, H. C.; Hsu, Yung-Yuan; Chang, B. C.; Lin, B. N.; Hsu, T. I.; Ku, H. C.

In: Journal of Applied Physics, Vol. 89, No. 11 II, 01.06.2001, p. 7660-7662.

Research output: Contribution to journalConference article

Chiang, H. C. ; Hsu, Yung-Yuan ; Chang, B. C. ; Lin, B. N. ; Hsu, T. I. ; Ku, H. C. / Non-s-wave behavior of c-axis aligned Pr1.85Ce0.15CuO3.97 superconducting powder. In: Journal of Applied Physics. 2001 ; Vol. 89, No. 11 II. pp. 7660-7662.
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AU - Chiang, H. C.

AU - Hsu, Yung-Yuan

AU - Chang, B. C.

AU - Lin, B. N.

AU - Hsu, T. I.

AU - Ku, H. C.

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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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