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- Title
Spray Pyrolysis of MgO Templates on 321-Austenitic Stainless Steel Substrates for YBaCuO Deposition by PLD.
- Authors
Al-Khateeb, Shadi; Pavlopoulos, D.; Button, T.; Abell, J.
- Abstract
Spray pyrolysis was used to deposit MgO films on polycrystalline 321-austentic stainless steel substrates using magnesium nitrates and magnesium acetates as precursors. The MgO films deposited from the nitrate precursors were amorphous; however, MgO (200) oriented films were obtained when the acetates precursors were used. The texture of the films was improved with increasing the concentration and the deposition temperature. To evaluate the performance of the MgO buffers, PLD was used to deposit YBCO on MgO-buffered 321 substrates. Only the smoothest MgO films were found as good buffers for the deposition of c-axis oriented YBCO films. The superconducting transition temperature was broad and the T onset was 83.6 K. Austenitic 321 steel is an alternative for C276 as a substrate for thin film deposition.
- Subjects
PYROLYSIS; MAGNESIUM oxide; MAGNESIUM nitrate; SUPERCONDUCTIVITY; THIN films; AUSTENITIC stainless steel; ACETATES
- Publication
Journal of Superconductivity & Novel Magnetism, 2013, Vol 26, Issue 2, p273
- ISSN
1557-1939
- Publication type
Article
- DOI
10.1007/s10948-012-1740-9