Solid phase epitaxy of Bi2Sr2CaCu2O x superconducting thin films

J. Chen; H. A. Lu; F. Dimeo; Bruce W Wessels; D. L. Schulz; Tobin Jay Marks; J. L. Schindler; C. R. Kannewurf

doi:10.1063/1.352834

Solid phase epitaxy of Bi₂Sr₂CaCu₂O _x superconducting thin films

J. Chen^*, H. A. Lu, F. Dimeo, Bruce W Wessels, D. L. Schulz, Tobin Jay Marks, J. L. Schindler, C. R. Kannewurf

^*Corresponding author for this work

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

5 Scopus citations

Abstract

Epitaxial superconducting Bi₂Sr₂CaCu ₂O_x (BSCCO) thin films have been formed by solid phase epitaxy from amorphous films deposited by metallorganic chemical vapor deposition. (100) MgO and LaAlO₃ single crystals were used as the substrates. After high-temperature annealing in flowing oxygen, the films consist predominantly of the BSCCO (2212) phase and are epitaxial to the LaAlO₃ with the c axis perpendicular to the substrate surface. The epitaxial structure of the films is confirmed by x-ray diffraction measurements including θ/2θ and in-plane Φ scans as well as by cross-sectional high-resolution transmission electron microscopy. Four-probe resistivity measurements show that the critical temperature of the film on LaAlO₃ is 78 K. The critical current density of the epitaxial layer was one order of magnitude greater than that of textured films on MgO.

Original language	English (US)
Pages (from-to)	4080-4082
Number of pages	3
Journal	Journal of Applied Physics
Volume	73
Issue number	8
DOIs	https://doi.org/10.1063/1.352834
State	Published - Dec 1 1993

ASJC Scopus subject areas

Physics and Astronomy(all)

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@article{2166e04a329147e9a01de294bc7d318a,

title = "Solid phase epitaxy of Bi2Sr2CaCu2O x superconducting thin films",

abstract = "Epitaxial superconducting Bi2Sr2CaCu 2Ox (BSCCO) thin films have been formed by solid phase epitaxy from amorphous films deposited by metallorganic chemical vapor deposition. (100) MgO and LaAlO3 single crystals were used as the substrates. After high-temperature annealing in flowing oxygen, the films consist predominantly of the BSCCO (2212) phase and are epitaxial to the LaAlO3 with the c axis perpendicular to the substrate surface. The epitaxial structure of the films is confirmed by x-ray diffraction measurements including θ/2θ and in-plane Φ scans as well as by cross-sectional high-resolution transmission electron microscopy. Four-probe resistivity measurements show that the critical temperature of the film on LaAlO3 is 78 K. The critical current density of the epitaxial layer was one order of magnitude greater than that of textured films on MgO.",

author = "J. Chen and Lu, {H. A.} and F. Dimeo and Wessels, {Bruce W} and Schulz, {D. L.} and Marks, {Tobin Jay} and Schindler, {J. L.} and Kannewurf, {C. R.}",

year = "1993",

month = dec,

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doi = "10.1063/1.352834",

language = "English (US)",

volume = "73",

pages = "4080--4082",

journal = "Journal of Applied Physics",

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TY - JOUR

T1 - Solid phase epitaxy of Bi2Sr2CaCu2O x superconducting thin films

AU - Chen, J.

AU - Lu, H. A.

AU - Dimeo, F.

AU - Wessels, Bruce W

AU - Schulz, D. L.

AU - Marks, Tobin Jay

AU - Schindler, J. L.

AU - Kannewurf, C. R.

PY - 1993/12/1

Y1 - 1993/12/1

N2 - Epitaxial superconducting Bi2Sr2CaCu 2Ox (BSCCO) thin films have been formed by solid phase epitaxy from amorphous films deposited by metallorganic chemical vapor deposition. (100) MgO and LaAlO3 single crystals were used as the substrates. After high-temperature annealing in flowing oxygen, the films consist predominantly of the BSCCO (2212) phase and are epitaxial to the LaAlO3 with the c axis perpendicular to the substrate surface. The epitaxial structure of the films is confirmed by x-ray diffraction measurements including θ/2θ and in-plane Φ scans as well as by cross-sectional high-resolution transmission electron microscopy. Four-probe resistivity measurements show that the critical temperature of the film on LaAlO3 is 78 K. The critical current density of the epitaxial layer was one order of magnitude greater than that of textured films on MgO.

AB - Epitaxial superconducting Bi2Sr2CaCu 2Ox (BSCCO) thin films have been formed by solid phase epitaxy from amorphous films deposited by metallorganic chemical vapor deposition. (100) MgO and LaAlO3 single crystals were used as the substrates. After high-temperature annealing in flowing oxygen, the films consist predominantly of the BSCCO (2212) phase and are epitaxial to the LaAlO3 with the c axis perpendicular to the substrate surface. The epitaxial structure of the films is confirmed by x-ray diffraction measurements including θ/2θ and in-plane Φ scans as well as by cross-sectional high-resolution transmission electron microscopy. Four-probe resistivity measurements show that the critical temperature of the film on LaAlO3 is 78 K. The critical current density of the epitaxial layer was one order of magnitude greater than that of textured films on MgO.

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