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MORPHOLOGY AND STRUCTURE OF HIGH Tc YBaCuO THIN FILMS |
| WANG Huisheng;LI Lin;ZHAO Bairu;LU Yong;SHI Yinhuan,
ZHAO Yuying;YUAN Caiwen;GAO Ju
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| Institute of Physics, Academia Sinica, Beijing |
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| Cite this article: |
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WANG Huisheng, LI Lin, ZHAO Bairu et al 1988 Chin. Phys. Lett. 5 5-8 |
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Abstract Thin superconducting films of YBa2Cu3O7-Δ have been prepared by magnetron reactive sputter deposition and subsequent heat treatment. The composition of the thin films has been determined by x-ray Bluorescence spectrum analysis, the structure by x-ray diffraction, and the morphology by scanning electron microscope. The results indicated that the crystallization process of the thin films on different substrates are markedly different. Best results are obtained on film deposited on SrTiO3 substrate, however, there still exists some non-superconducting phase at the grain boundaries making the superconducting phase weakly linked.
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Published: 01 January 1988
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