HIGH Tc “1 2 3” SUPERCONDUCTIVE FILMS ON SILICON SUBSTRATES
- 1 March 1988
- journal article
- research article
- Published by World Scientific Pub Co Pte Ltd in Modern Physics Letters B
- Vol. 02 (01) , 523-526
- https://doi.org/10.1142/s0217984988000114
Abstract
YBa2Cu3O7 films have been deposited by pulse laser evaporation on silicon substrates with metal nitrides (AIN, Si 3 N 4, GaN) buffer layers. The film superconductivity is restored after annealing at 900°C in pure oxygen atmosphere. X-ray diffraction patterns confirm the presence of the orthorhombic phase and resistivity measurements versus temperature shows a resistive transition with an onset at 90 K and a complete zero resistance at 70 K.Keywords
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