Heteroepitaxial growth of DyBa2Cu3O7-x/Dy2O3 multilayers analyzed by TEM

Y. J. Zhang; K. M. Beauchamp; B. R. Johnson; T. Wang; A. M. Goldman; M. L. Mecartney

doi:10.1557/JMR.1992.0029

Heteroepitaxial growth of DyBa₂Cu₃O_7-x/Dy₂O₃ multilayers analyzed by TEM

Y. J. Zhang, K. M. Beauchamp, B. R. Johnson, T. Wang, A. M. Goldman, M. L. Mecartney

Physics and Astronomy (Twin Cities)

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Abstract

Layered structures of DyBa₂Cu₃O_7-x and Dy₂O₃ grown on (100) and (110) oriented SrTiO₃ have been examined in cross section by transmission electron microscopy and energy dispersive spectroscopy to determine the feasibility of fabricating tunnel junctions with these materials. DyBa₂Cu₃O_7-x and Dy₂O₃ exhibit a clear epitaxial relationship, resulting in heteroepitaxial growth of DyBa₂Cu₃O_7-x on Dy₂O₃. The interfaces between DyBa₂Cu₃O_7-x and Dy₂O₃ are structurally sharp, but interdiffusion between the chemical constituents occurs. Nevertheless, these results are a strong indication that high quality high-T_c superconductor tunneling junctions can be fabricated in this system.

Original language	English (US)
Pages (from-to)	29-33
Number of pages	5
Journal	Journal of Materials Research
Volume	7
Issue number	1
DOIs	https://doi.org/10.1557/JMR.1992.0029
State	Published - 1992

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title = "Heteroepitaxial growth of DyBa2Cu3O7-x/Dy2O3 multilayers analyzed by TEM",

abstract = "Layered structures of DyBa2Cu3O7-x and Dy2O3 grown on (100) and (110) oriented SrTiO3 have been examined in cross section by transmission electron microscopy and energy dispersive spectroscopy to determine the feasibility of fabricating tunnel junctions with these materials. DyBa2Cu3O7-x and Dy2O3 exhibit a clear epitaxial relationship, resulting in heteroepitaxial growth of DyBa2Cu3O7-x on Dy2O3. The interfaces between DyBa2Cu3O7-x and Dy2O3 are structurally sharp, but interdiffusion between the chemical constituents occurs. Nevertheless, these results are a strong indication that high quality high-Tc superconductor tunneling junctions can be fabricated in this system.",

author = "Zhang, {Y. J.} and Beauchamp, {K. M.} and Johnson, {B. R.} and T. Wang and Goldman, {A. M.} and Mecartney, {M. L.}",

year = "1992",

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T1 - Heteroepitaxial growth of DyBa2Cu3O7-x/Dy2O3 multilayers analyzed by TEM

AU - Zhang, Y. J.

AU - Beauchamp, K. M.

AU - Johnson, B. R.

AU - Wang, T.

AU - Goldman, A. M.

AU - Mecartney, M. L.

PY - 1992

Y1 - 1992

N2 - Layered structures of DyBa2Cu3O7-x and Dy2O3 grown on (100) and (110) oriented SrTiO3 have been examined in cross section by transmission electron microscopy and energy dispersive spectroscopy to determine the feasibility of fabricating tunnel junctions with these materials. DyBa2Cu3O7-x and Dy2O3 exhibit a clear epitaxial relationship, resulting in heteroepitaxial growth of DyBa2Cu3O7-x on Dy2O3. The interfaces between DyBa2Cu3O7-x and Dy2O3 are structurally sharp, but interdiffusion between the chemical constituents occurs. Nevertheless, these results are a strong indication that high quality high-Tc superconductor tunneling junctions can be fabricated in this system.

AB - Layered structures of DyBa2Cu3O7-x and Dy2O3 grown on (100) and (110) oriented SrTiO3 have been examined in cross section by transmission electron microscopy and energy dispersive spectroscopy to determine the feasibility of fabricating tunnel junctions with these materials. DyBa2Cu3O7-x and Dy2O3 exhibit a clear epitaxial relationship, resulting in heteroepitaxial growth of DyBa2Cu3O7-x on Dy2O3. The interfaces between DyBa2Cu3O7-x and Dy2O3 are structurally sharp, but interdiffusion between the chemical constituents occurs. Nevertheless, these results are a strong indication that high quality high-Tc superconductor tunneling junctions can be fabricated in this system.

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Heteroepitaxial growth of DyBa₂Cu₃O_7-x/Dy₂O₃ multilayers analyzed by TEM

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