YBCO and BSCCO thin films prepared by wet MOCVDстатья
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Дата последнего поиска статьи во внешних источниках: 18 июля 2013 г.
Аннотация:The newly developed technique of low-pressure single aerosol source MOCVD (wet MOCVD) has been applied toprepare thin films of YBa2Cu3Ox and Bi2Sr2CaCu2O2. The influence of the deposition rate, pO2-T conditions, film stoichiometry on the phase composition, orientation and superconducting properties of the films was studied andcompared for both systems. Thin films of YBa2Cu3Ox with high-Tc(end) = 92 K, jc(77 K) = 1.7 x 1 O6 A cm -2; Bi2Sr2CaCu2Ox with Tc(end) = 84 K, jc(77 K) = 1 x 10 4 A cm-2 were deposited. On the basis of the crystal chemistry approach the conditions for the various orientations were established.