Preparation of Very Large YBCO Films on Single- and Polycrystalline Substrates

• Authors: H. Kinder , W. Prusseit , R. Semerad , B. Utz
• Languages of publication: EN

Abstracts

EN

High quality YBa_{2}Cu_{3}O_{7} thin films on areas of up to 9" in diameter have been grown by reactive thermal co-evaporation using a rotating substrate holder. A scanning inductive j_{c} probe is used to monitor the homogeneity of critical current densities which are typically greater than 2 MA/cm^{2}. The same technique also allows a double sided deposition for filter applications. Surface resistance values are found to be below 500 μΩ at 10 GHz. On biaxially aligned buffer layers on polycrystalline substrates j_{c} values of 1.4 MA/cm^{2} are achieved at 77 K as well. We have also studied the properties of Nd_{1-x}Ba_{2+x}Cu_{3}O_{7} films grown with the same system.

Keywords

EN

81.15.Cd; 74.72.-h; 68.55.-a

Discipline

• 74.72.-h: Cuprate superconductors
• 81.15.Cd: Deposition by sputtering
• 68.55.-a: Thin film structure and morphology(for methods of thin film deposition, film growth and epitaxy, see 81.15.-z)

• Publisher: Institute of Physics, Polish Academy of Sciences
• Journal: Acta Physica Polonica A
• Year: 1997
• Volume: 92
• Issue: 1
• Pages: 47-54

Dates

published

1997-07

Contributors

author

H. Kinder

• Technical University of München, Physics Department E 10, 85747 Garching, Germany

author

W. Prusseit

• Technical University of München, Physics Department E 10, 85747 Garching, Germany

author

R. Semerad

• Technical University of München, Physics Department E 10, 85747 Garching, Germany

author

B. Utz

• Technical University of München, Physics Department E 10, 85747 Garching, Germany

Identifiers

DOI

10.12693/APhysPolA.92.47