NachhaltigF: Angewandte Naturwissenschaften und WirtschaftsingenieurwesenF: Europan Campus Rottal-InnZeitschriftenartikel
T. Holesinger, Jia, Q. X., P. Dowden, Sascha Kreiskott, Maiorov, B., L. Civale, B. Gibbons
Ultra-fine multilayers of complex metal-oxide films
Advanced Materials, vol. 19, no. 15
2007
DOI: 10.1002/adma.200602743
Abstract anzeigen
Thick films containing ultrafine multilayer structures of two complex metal oxides are grown with a single, sectored target in conjunction with pulsed laser deposition on stationary or moving templates. This process is demonstrated with the high‐temperature superconductors YBa2Cu3Oy and EuBa2Cu3Oy. Multilayer periodicities (see figure) as low as 5.5 nm (approximately five unit cells) are obtained in thick films (1.84 μm ≈ 335 bilayer pairs) with improved superconducting properties.
NachhaltigF: Angewandte Naturwissenschaften und WirtschaftsingenieurwesenF: Europan Campus Rottal-InnZeitschriftenartikel
Maiorov, B., B. Gibbons, Sascha Kreiskott, V. Matias, Jia, Q. X., T. Holesinger, L. Civale
Influence of tilted geometries on the critical current in superconducting thin films
IEEE Transactions on Appiled Superconductivity, vol. 15, pp. 2582-2585
2005
NachhaltigF: Angewandte Naturwissenschaften und WirtschaftsingenieurwesenF: Europan Campus Rottal-InnZeitschriftenartikel
P. Arendt, S. Foltyn, L. Civale, R. DePaula, P. Dowden, J. Groves, T. Holesinger, Jia, Q. X., Sascha Kreiskott, L. Stan, I. Usov, H. Wang, J. Coulter
High critical current YBCO coated conductors based on IBAD MgO
Physica C: Superconductivity, vol. 412-414, no. October, pp. 795-800
2004
DOI: 10.1016/j.physc.2003.12.074
Abstract anzeigen
This report describes recent developments of second-generation Y1Ba2Cu3O7−δ (YBCO) coated conductors deposited on biaxially textured MgO templates. The materials system architecture implemented to achieve high critical currents in YBCO films is described. The average full-width at half maximum (FWHM) in-plane texture obtained for MgO films processed on meter-length tapes is 7°, while that for the YBCO films is 3°. The best YBCO in-plane values approach 2° and the out-of-plane values approach 1°. Critical currents (1 cm wide tapes, 75 K, self field) have attained 423 A for 7 cm length and 233 A for 50 cm length tapes.
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