Heteroepitaxy of high-Tc superconducting TlBaCaCuO films on metal-coated substrates

D. L. Schulz; D. S. Richeson; G. Malandrino; D. Neumayer; T. J. Marks; D. C. DeGroot; J. L. Schindler; T. Hogan; C. R. Kannewurf

doi:10.1016/0040-6090(92)90867-B

Heteroepitaxy of high-T_c superconducting TlBaCaCuO films on metal-coated substrates

D. L. Schulz, D. S. Richeson, G. Malandrino, D. Neumayer, T. J. Marks^*, D. C. DeGroot, J. L. Schindler, T. Hogan, C. R. Kannewurf

^*Corresponding author for this work

Chemistry

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

11 Scopus citations

Abstract

Superconducting TlBaCaCuO thin films have been successfully grown on gold-coated oxide substrates (yttria-stabilized zirconia (YSZ)) using a combination of metal-to-organic chemical vapor deposition (MOCVD) and Tl vapor diffusion. BaCaCuO films are first prepared by MOCVD using "second-generation" precursors with improved thermal stability and volatility. Thallium is then incorporated into these films by annealing in the presence of a mixture of oxides (Tl₂O₃, BaO, CaO and CuO) of a specific composition. The resultant films consists predominantly of single-phase Tl₂Ba₂CaCu₂O_x superconductor with preferential orientation of the crystallite c-axes perpendicular to the substrate surface. A magnetically determined T_c value of about 95 K for Tl₂Ba₂CaCu₂O_x on Au/YSZ compares well with a transport T_c value of 94 K. Attempts to form superconductors on platinum-coated oxide substrates (MgO) led to the formation of a PtTlO phase.

Original language	English (US)
Pages (from-to)	45-48
Number of pages	4
Journal	Thin Solid Films
Volume	216
Issue number	1
DOIs	https://doi.org/10.1016/0040-6090(92)90867-B
State	Published - Aug 28 1992

Funding

This researchw as supportedb y the National Science Foundation through the NorthwesternM aterialsRe-search Center (Grant DMR 8821571)a nd the Science and TechnologyC enterfor Superconductivit(yG rant DMR 8809854)G. . M. thanks the Opera Universitaria di Catania for partial fellowships upport.

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Surfaces and Interfaces
Surfaces, Coatings and Films
Metals and Alloys
Materials Chemistry

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10.1016/0040-6090(92)90867-B

Cite this

@article{05f0a6484f704449a70215e2c5c06f45,

title = "Heteroepitaxy of high-Tc superconducting TlBaCaCuO films on metal-coated substrates",

abstract = "Superconducting TlBaCaCuO thin films have been successfully grown on gold-coated oxide substrates (yttria-stabilized zirconia (YSZ)) using a combination of metal-to-organic chemical vapor deposition (MOCVD) and Tl vapor diffusion. BaCaCuO films are first prepared by MOCVD using {"}second-generation{"} precursors with improved thermal stability and volatility. Thallium is then incorporated into these films by annealing in the presence of a mixture of oxides (Tl2O3, BaO, CaO and CuO) of a specific composition. The resultant films consists predominantly of single-phase Tl2Ba2CaCu2Ox superconductor with preferential orientation of the crystallite c-axes perpendicular to the substrate surface. A magnetically determined Tc value of about 95 K for Tl2Ba2CaCu2Ox on Au/YSZ compares well with a transport Tc value of 94 K. Attempts to form superconductors on platinum-coated oxide substrates (MgO) led to the formation of a PtTlO phase.",

author = "Schulz, {D. L.} and Richeson, {D. S.} and G. Malandrino and D. Neumayer and Marks, {T. J.} and DeGroot, {D. C.} and Schindler, {J. L.} and T. Hogan and Kannewurf, {C. R.}",

note = "Funding Information: This researchw as supportedb y the National Science Foundation through the NorthwesternM aterialsRe-search Center (Grant DMR 8821571)a nd the Science and TechnologyC enterfor Superconductivit(yG rant DMR 8809854)G. . M. thanks the Opera Universitaria di Catania for partial fellowships upport.",

year = "1992",

month = aug,

day = "28",

doi = "10.1016/0040-6090(92)90867-B",

language = "English (US)",

volume = "216",

pages = "45--48",

journal = "Thin Solid Films",

issn = "0040-6090",

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number = "1",

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T1 - Heteroepitaxy of high-Tc superconducting TlBaCaCuO films on metal-coated substrates

AU - Schulz, D. L.

AU - Richeson, D. S.

AU - Malandrino, G.

AU - Neumayer, D.

AU - Marks, T. J.

AU - DeGroot, D. C.

AU - Schindler, J. L.

AU - Hogan, T.

AU - Kannewurf, C. R.

N1 - Funding Information: This researchw as supportedb y the National Science Foundation through the NorthwesternM aterialsRe-search Center (Grant DMR 8821571)a nd the Science and TechnologyC enterfor Superconductivit(yG rant DMR 8809854)G. . M. thanks the Opera Universitaria di Catania for partial fellowships upport.

PY - 1992/8/28

Y1 - 1992/8/28

N2 - Superconducting TlBaCaCuO thin films have been successfully grown on gold-coated oxide substrates (yttria-stabilized zirconia (YSZ)) using a combination of metal-to-organic chemical vapor deposition (MOCVD) and Tl vapor diffusion. BaCaCuO films are first prepared by MOCVD using "second-generation" precursors with improved thermal stability and volatility. Thallium is then incorporated into these films by annealing in the presence of a mixture of oxides (Tl2O3, BaO, CaO and CuO) of a specific composition. The resultant films consists predominantly of single-phase Tl2Ba2CaCu2Ox superconductor with preferential orientation of the crystallite c-axes perpendicular to the substrate surface. A magnetically determined Tc value of about 95 K for Tl2Ba2CaCu2Ox on Au/YSZ compares well with a transport Tc value of 94 K. Attempts to form superconductors on platinum-coated oxide substrates (MgO) led to the formation of a PtTlO phase.

AB - Superconducting TlBaCaCuO thin films have been successfully grown on gold-coated oxide substrates (yttria-stabilized zirconia (YSZ)) using a combination of metal-to-organic chemical vapor deposition (MOCVD) and Tl vapor diffusion. BaCaCuO films are first prepared by MOCVD using "second-generation" precursors with improved thermal stability and volatility. Thallium is then incorporated into these films by annealing in the presence of a mixture of oxides (Tl2O3, BaO, CaO and CuO) of a specific composition. The resultant films consists predominantly of single-phase Tl2Ba2CaCu2Ox superconductor with preferential orientation of the crystallite c-axes perpendicular to the substrate surface. A magnetically determined Tc value of about 95 K for Tl2Ba2CaCu2Ox on Au/YSZ compares well with a transport Tc value of 94 K. Attempts to form superconductors on platinum-coated oxide substrates (MgO) led to the formation of a PtTlO phase.

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