Cross-sectional observation of YBa2Cu3O y /La0.7Ca0.3MnO z /YBa2Cu3O y trilayered films

Cross-sectional observations of YBa2Cu3Oy/La0.7Ca0.3MnOz/YBa2Cu3Oy trilayered films on MgO (100) substrates were performed using transmission electron microscopy. Each layer grows epitaxially with crystal orientations of YBa2Cu3Oy(100)∥ La0.7Ca0.3MnOz(110) ∥ YBa2Cu3Oy(100)∥ MgO(010). The Mn—O—Mn bon...

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Bibliographic Details
Published in:Journal of applied physics 1992-11, Vol.72 (9), p.4095-4098
Main Authors: Ohno, Toshiyuki, Kasai, Masahiro, Kanke, Yoko, Kozono, Yuuzoo
Format: Article
Language:English
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Summary:Cross-sectional observations of YBa2Cu3Oy/La0.7Ca0.3MnOz/YBa2Cu3Oy trilayered films on MgO (100) substrates were performed using transmission electron microscopy. Each layer grows epitaxially with crystal orientations of YBa2Cu3Oy(100)∥ La0.7Ca0.3MnOz(110) ∥ YBa2Cu3Oy(100)∥ MgO(010). The Mn—O—Mn bond is parallel to the Cu—O—Cu bond. A reactant is absent at the interfaces and the La0.7Ca0.3MnOz layer is continuous until a thickness of about 7 nm.
ISSN:0021-8979
1089-7550
DOI:10.1063/1.352241