DOI: 10.1063/1.104138. Application of a near coincidence site lattice theory to the orientations of YBa2Cu3O7−<i>x</i> grains on (001) MgO substrates

Application of a near coincidence site lattice theory to the orientations of YBa2Cu3O7−x grains on (001) MgO substrates

10.1063/1.104138

Crossref journal-article

AIP Publishing

Applied Physics Letters (317)

Abstract

Various orientations of YBa2Cu3O7−x grains in polycrystalline films prepared on (001)MgO substrates by in situ laser deposition were determined using electron diffraction. Eight different types of in-plane orientations have been observed. These orientations agree well with the prediction of a simplified theory of near coincidence site lattice between YBa2Cu3O7−x and MgO. The YBa2Cu3O7−x grains were found to have a high probability of forming low angle or low Σ boundaries among themselves. These grain boundaries are of low energy and should exhibit a high connectivity of Cu-O-Cu chains. Therefore, YBa2Cu3O7−x thin films on MgO can attain a Tc of ∼90 K and a Jc of ∼106 A/cm2 at 77 K.

Bibliography

Hwang, D. M., Ravi, T. S., Ramesh, R., Chan, S.-W., Chen, C. Y., Nazar, L., Wu, X. D., Inam, A., & Venkatesan, T. (1990). Application of a near coincidence site lattice theory to the orientations of YBa2Cu3O7âx grains on (001)âMgO substrates. Applied Physics Letters, 57(16), 1690â1692.

Authors 9

D. M. Hwang (first)
T. S. Ravi (additional)
R. Ramesh (additional)
Siu-Wai Chan (additional)
C. Y. Chen (additional)
L. Nazar (additional)
X. D. Wu (additional)
A. Inam (additional)
T. Venkatesan (additional)

References 16 Referenced 135

10.1063/1.102406 / Appl. Phys. Lett. (1989)
{'key': '2024020301340922800_r2', 'first-page': '1071', 'volume': '4', 'year': '1989', 'journal-title': 'J. Mater. Res.'} / J. Mater. Res. (1989)
10.1063/1.102363 / Appl. Phys. Lett. (1989)
10.1126/science.247.4938.57 / Science (1990)
10.1557/JMR.1990.0704 / J. Mater. Res. (1990)
10.1063/1.102932 / Appl. Phys. Lett. (1990)
{'key': '2024020301340922800_r7'}
10.1063/1.102413 / Appl. Phys. Lett. (1989)
{'key': '2024020301340922800_r9', 'first-page': '1653', 'volume': '61', 'year': '1988', 'journal-title': 'Phys. Rev. Lett.'} / Phys. Rev. Lett. (1988)
{'key': '2024020301340922800_r10', 'first-page': '4038', 'volume': '41', 'year': '1990', 'journal-title': 'Phys. Rev. B'} / Phys. Rev. B (1990)
10.1016/0001-6160(82)90166-3 / Acta Metall. (1982)
{'key': '2024020301340922800_r12'}
10.1063/1.100155 / Appl. Phys. Lett. (1988)
10.1063/1.101562 / Appl. Phys. Lett. (1989)
10.1063/1.91962 / Appl. Phys. Lett. (1980)
10.1557/JMR.1990.0919 / J. Mater. Res. (1990)

Dates

Type	When
Created	23 years, 1 month ago (July 26, 2002, 9:05 a.m.)
Deposited	1 year, 7 months ago (Feb. 2, 2024, 8:34 p.m.)
Indexed	4 months, 2 weeks ago (April 20, 2025, 12:29 a.m.)
Issued	34 years, 10 months ago (Oct. 15, 1990)
Published	34 years, 10 months ago (Oct. 15, 1990)
Published Print	34 years, 10 months ago (Oct. 15, 1990)

Funders 0

None

BibTeX

@article{Hwang_1990, title={Application of a near coincidence site lattice theory to the orientations of YBa2Cu3O7−x grains on (001) MgO substrates}, volume={57}, ISSN={1077-3118}, url={http://dx.doi.org/10.1063/1.104138}, DOI={10.1063/1.104138}, number={16}, journal={Applied Physics Letters}, publisher={AIP Publishing}, author={Hwang, D. M. and Ravi, T. S. and Ramesh, R. and Chan, Siu-Wai and Chen, C. Y. and Nazar, L. and Wu, X. D. and Inam, A. and Venkatesan, T.}, year={1990}, month=oct, pages={1690–1692} }

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