Fabrication and physical properties of large-area HgBa2CaCu2O6 superconducting films

Yi Yuan Xie; Judy Z. Wu; Tolga Aytug; Albert A. Gapud; David K. Christen; Darren T. Verebelyi; Kyujeong Song

doi:10.1088/0953-2048/13/2/318

Fabrication and physical properties of large-area HgBa₂CaCu₂O₆ superconducting films

Yi Yuan Xie, Judy Z. Wu, Tolga Aytug, Albert A. Gapud, David K. Christen, Darren T. Verebelyi, Kyujeong Song

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

14 Scopus citations

Abstract

Epitaxial c-axis-orientated HgBa₂CaCu₂O₆ (Hg-1212) superconducting thin films with their dimensions as large as 1/2 inch× 1/2 inch have been recently achieved using a cation-exchange process. Uniformity of the film was studied by slicing samples into eight pieces, on which uniform zero-resistance T_c values above 120 K were observed. In self-field, J_c values of the film range from 14.6×10⁶ to 23.7×10⁶ A cm^-2 at 5 K, 1.77×10⁶ to 3.85×10⁶ A cm^-2 at 77 K and 0.54×10⁶ to 1.38×10⁶ A cm^-2 at 100 K. The scattering of J_c is found to be within 44% across the film and could be smaller with improvement of processing.

Original language	English
Pages (from-to)	225-228
Number of pages	4
Journal	Superconductor Science and Technology
Volume	13
Issue number	2
DOIs	https://doi.org/10.1088/0953-2048/13/2/318
State	Published - Feb 2000
Externally published	Yes

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title = "Fabrication and physical properties of large-area HgBa2CaCu2O6 superconducting films",

abstract = "Epitaxial c-axis-orientated HgBa2CaCu2O6 (Hg-1212) superconducting thin films with their dimensions as large as 1/2 inch× 1/2 inch have been recently achieved using a cation-exchange process. Uniformity of the film was studied by slicing samples into eight pieces, on which uniform zero-resistance Tc values above 120 K were observed. In self-field, Jc values of the film range from 14.6×106 to 23.7×106 A cm-2 at 5 K, 1.77×106 to 3.85×106 A cm-2 at 77 K and 0.54×106 to 1.38×106 A cm-2 at 100 K. The scattering of Jc is found to be within 44% across the film and could be smaller with improvement of processing.",

author = "Xie, {Yi Yuan} and Wu, {Judy Z.} and Tolga Aytug and Gapud, {Albert A.} and Christen, {David K.} and Verebelyi, {Darren T.} and Kyujeong Song",

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AU - Xie, Yi Yuan

AU - Wu, Judy Z.

AU - Aytug, Tolga

AU - Gapud, Albert A.

AU - Christen, David K.

AU - Verebelyi, Darren T.

AU - Song, Kyujeong

PY - 2000/2

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N2 - Epitaxial c-axis-orientated HgBa2CaCu2O6 (Hg-1212) superconducting thin films with their dimensions as large as 1/2 inch× 1/2 inch have been recently achieved using a cation-exchange process. Uniformity of the film was studied by slicing samples into eight pieces, on which uniform zero-resistance Tc values above 120 K were observed. In self-field, Jc values of the film range from 14.6×106 to 23.7×106 A cm-2 at 5 K, 1.77×106 to 3.85×106 A cm-2 at 77 K and 0.54×106 to 1.38×106 A cm-2 at 100 K. The scattering of Jc is found to be within 44% across the film and could be smaller with improvement of processing.

AB - Epitaxial c-axis-orientated HgBa2CaCu2O6 (Hg-1212) superconducting thin films with their dimensions as large as 1/2 inch× 1/2 inch have been recently achieved using a cation-exchange process. Uniformity of the film was studied by slicing samples into eight pieces, on which uniform zero-resistance Tc values above 120 K were observed. In self-field, Jc values of the film range from 14.6×106 to 23.7×106 A cm-2 at 5 K, 1.77×106 to 3.85×106 A cm-2 at 77 K and 0.54×106 to 1.38×106 A cm-2 at 100 K. The scattering of Jc is found to be within 44% across the film and could be smaller with improvement of processing.

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Fabrication and physical properties of large-area HgBa₂CaCu₂O₆ superconducting films

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