Elimination of air detrimental effect using Tl-stabilized precursor for epitaxial HgBa2CaCu2O6 thin films

Yi Yuan Xie; Judy Z. Wu; Shaolin Yan; Yang Yu; Tolga Aytug; Lang Fang; S. C. Tidrow

doi:10.1016/S0921-4534(99)00560-2

Elimination of air detrimental effect using Tl-stabilized precursor for epitaxial HgBa₂CaCu₂O₆ thin films

Yi Yuan Xie, Judy Z. Wu, Shaolin Yan, Yang Yu, Tolga Aytug, Lang Fang, S. C. Tidrow

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

2 Scopus citations

Abstract

The fabrication process for HgBa₂CaCu₂O_6+δ (Hg-1212) superconducting thin films has been greatly simplified when an air-insensitive precursor film (Tl_yBa₂CaCu₂O_x) was employed. Using such precursors, high-quality Hg-1212 thin films have been reproducibly fabricated in air. X-ray diffraction θ-2θ scans and pole figures show that these films consist of high-purity Hg-1212 grains that are c-axis oriented and in-plane aligned. Zero-resistance transition temperatures of these films are typically 122-124 K. Critical current density is up to 2.0×10⁷ A/cm² at 5 K and remains above 1 MA/cm² at 100 K in zero field.

Original language	English
Pages (from-to)	241-245
Number of pages	5
Journal	Physica C: Superconductivity and its Applications
Volume	328
Issue number	3
DOIs	https://doi.org/10.1016/S0921-4534(99)00560-2
State	Published - Dec 15 1999
Externally published	Yes

Funding

This work is supported in part by USAFOSR Grant No. F49620-96-1-0358 and NSF Grant No. DMR-9632279.

Funders	Funder number
USAFOSR	F49620-96-1-0358
National Science Foundation	DMR-9632279

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title = "Elimination of air detrimental effect using Tl-stabilized precursor for epitaxial HgBa2CaCu2O6 thin films",

abstract = "The fabrication process for HgBa2CaCu2O6+δ (Hg-1212) superconducting thin films has been greatly simplified when an air-insensitive precursor film (TlyBa2CaCu2Ox) was employed. Using such precursors, high-quality Hg-1212 thin films have been reproducibly fabricated in air. X-ray diffraction θ-2θ scans and pole figures show that these films consist of high-purity Hg-1212 grains that are c-axis oriented and in-plane aligned. Zero-resistance transition temperatures of these films are typically 122-124 K. Critical current density is up to 2.0×107 A/cm2 at 5 K and remains above 1 MA/cm2 at 100 K in zero field.",

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AU - Xie, Yi Yuan

AU - Wu, Judy Z.

AU - Yan, Shaolin

AU - Yu, Yang

AU - Aytug, Tolga

AU - Fang, Lang

AU - Tidrow, S. C.

PY - 1999/12/15

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AB - The fabrication process for HgBa2CaCu2O6+δ (Hg-1212) superconducting thin films has been greatly simplified when an air-insensitive precursor film (TlyBa2CaCu2Ox) was employed. Using such precursors, high-quality Hg-1212 thin films have been reproducibly fabricated in air. X-ray diffraction θ-2θ scans and pole figures show that these films consist of high-purity Hg-1212 grains that are c-axis oriented and in-plane aligned. Zero-resistance transition temperatures of these films are typically 122-124 K. Critical current density is up to 2.0×107 A/cm2 at 5 K and remains above 1 MA/cm2 at 100 K in zero field.

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Elimination of air detrimental effect using Tl-stabilized precursor for epitaxial HgBa₂CaCu₂O₆ thin films

Abstract

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