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3. YBCO depot
3.1 MOCVD
In this section, we describe the deposition of YBCO by a vacuum chemical vapor condensation method (Metal Organic Chemical Vapor Deposition – MOCVD) using vapors of metal-organic compounds. Deposition takes place on a substrate heated to high temperature, where the species react after surface diffusion. This process features a very high deposition rate (several μm/h) and is linked to vacuum techniques, but without the need for ultra-high vacuum. Here, studies on IBAD and RABITS substrates are described, leading to laboratory or pre-industrial pilots capable of manufacturing kilometer-long ribbons (table 2 ). Finally, we discuss the origin of defects that weaken transport properties in the superconducting state and...
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YBCO depot
Bibliography
- (1) - NISHIJIMA (S.), ECKROAD (S.), MARIAN (A.), CHOI (K.), KIM (W.S.), TERAI (M.), DENG (Z.), ZHENG (J.), WANG (J.), UMEMOTO (K.), DU (J.), FEBVRE (P.), KEENAN (S.), MUKHANOV (O.), COOLEY (L.D.), FOLEY (C.P.), HASSENZAHL (W.), IZUMI (M.) - Superconductivity and the environment: a Roadmap. - Supercond. Sci. Technol. 26, 113001 (35 pp) (2013)....
Websites
Website of the European Society for Applied Superconductivity – ESAS http://www.esas.org
Events
EUCAS (European Conference on Applied Superconductivity), a bi-annual event held in Europe and in Lyon in 2015: EUCAS'15 http://www.eucas2015.org
ASC (Applied Superconductivity Conference), held twice a year in alternation with EUCAS, takes place in the United States.
Patents
US1999/5872080 High temperature superconducting thick films.
US2000/6077344 Sol-gel deposition of buffer layers on biaxially textured metal substrances.
US2002/6451450 Method of depositing a protective layer over a biaxially textured alloy substrate and composition therefrom.
FR/25.04.02/FRA0205217 Thick layers of YBa 2 ...
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