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Improvements in the microstructure of YBa2Cu3O7−δ films on sapphire with self-assembled CeO2 buffer layers

✍ Scribed by J.C. Nie; H. Yamasaki; H. Yamada; K. Develos-Bagarinao; Y. Nakagawa; Y. Mawatari

Publisher
Elsevier Science
Year
2004
Tongue
English
Weight
435 KB
Volume
412-414
Category
Article
ISSN
0921-4534

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YBa2Cu3O7−δ-thin films on sapphire with buffer layers of CeO2
✍ 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