Phase-sensitive order parameter symmetry test experiments utilizing Nd 2-xCexCuO4-y/Nb zigzag junctions

Ariando; D. Darminto; H. J.H. Smilde; V. Leca; D. H.A. Blank; H. Rogalla; H. Hilgenkamp

doi:10.1103/PhysRevLett.94.167001

Phase-sensitive order parameter symmetry test experiments utilizing Nd _2-xCe_xCuO_4-y/Nb zigzag junctions

Ariando, D. Darminto^*, H. J.H. Smilde, V. Leca, D. H.A. Blank, H. Rogalla, H. Hilgenkamp

^*Corresponding author for this work

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

56 Citations (Scopus)

Abstract

Phase-sensitive order parameter symmetry test experiments are presented on the electron-doped high-T_c cuprate Nd_2-xCe _xCuO_4-y. These experiments have been conducted using zigzag-shaped thin film Josephson structures, in which the Nd _2-xCe_xCuO_4-y is connected to the low-T _c superconductor Nb via an Au barrier layer. For the optimally doped as well as for the overdoped Nd_2-xCe_xCuO_4-y, a clear predominant d_x2-y2-wave behavior is observed at T = 4.2 K. Both compounds were also investigated at T = 1.6 K, presenting no indications for a change to a predominant s-wave symmetry with decreasing temperature.

Original language	English
Article number	167001
Journal	Physical Review Letters
Volume	94
Issue number	16
DOIs	https://doi.org/10.1103/PhysRevLett.94.167001
Publication status	Published - 29 Apr 2005
Externally published	Yes

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abstract = "Phase-sensitive order parameter symmetry test experiments are presented on the electron-doped high-Tc cuprate Nd2-xCe xCuO4-y. These experiments have been conducted using zigzag-shaped thin film Josephson structures, in which the Nd 2-xCexCuO4-y is connected to the low-T c superconductor Nb via an Au barrier layer. For the optimally doped as well as for the overdoped Nd2-xCexCuO4-y, a clear predominant dx2-y2-wave behavior is observed at T = 4.2 K. Both compounds were also investigated at T = 1.6 K, presenting no indications for a change to a predominant s-wave symmetry with decreasing temperature.",

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AU - Ariando,

AU - Darminto, D.

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AU - Leca, V.

AU - Blank, D. H.A.

AU - Rogalla, H.

AU - Hilgenkamp, H.

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N2 - Phase-sensitive order parameter symmetry test experiments are presented on the electron-doped high-Tc cuprate Nd2-xCe xCuO4-y. These experiments have been conducted using zigzag-shaped thin film Josephson structures, in which the Nd 2-xCexCuO4-y is connected to the low-T c superconductor Nb via an Au barrier layer. For the optimally doped as well as for the overdoped Nd2-xCexCuO4-y, a clear predominant dx2-y2-wave behavior is observed at T = 4.2 K. Both compounds were also investigated at T = 1.6 K, presenting no indications for a change to a predominant s-wave symmetry with decreasing temperature.

AB - Phase-sensitive order parameter symmetry test experiments are presented on the electron-doped high-Tc cuprate Nd2-xCe xCuO4-y. These experiments have been conducted using zigzag-shaped thin film Josephson structures, in which the Nd 2-xCexCuO4-y is connected to the low-T c superconductor Nb via an Au barrier layer. For the optimally doped as well as for the overdoped Nd2-xCexCuO4-y, a clear predominant dx2-y2-wave behavior is observed at T = 4.2 K. Both compounds were also investigated at T = 1.6 K, presenting no indications for a change to a predominant s-wave symmetry with decreasing temperature.

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Phase-sensitive order parameter symmetry test experiments utilizing Nd _2-xCe_xCuO_4-y/Nb zigzag junctions

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