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The influence of the native BaAl2O4 boundary layer on microstructure and properties of YBa2Cu3O7−x thin films grown on sapphire

✍ Scribed by K. Dovidenko; S. Oktyabrsky; D. Tokarchuk; A. Michaltsov; A. Ivanov


Publisher
Elsevier Science
Year
1992
Tongue
English
Weight
864 KB
Volume
15
Category
Article
ISSN
0921-5107

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✍ M. Maul; B. Schulte; P. Häussler; H. Adrian 📂 Article 📅 1994 🏛 Elsevier Science 🌐 English ⚖ 166 KB

Epitaxial CeO2 buffer layers and YBa2Cu307\_~ thin films have been grown in situ on (1].02) sapphire by electron beam evaporation. Buffer layers of only 20 nm thickness inhibit interdiffusion between YBa2 Cu3 O7-6 and A12 03 as determined by depth profiling using x-ray photoelectron spectroscopy. Th