Deposition of smooth high-T-c superconducting films with a solid-state YAG : Nd3+ laserстатья
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Дата последнего поиска статьи во внешних источниках: 18 июля 2013 г.
Аннотация:A method is presented for the deposition of smooth epitaxial high-T-c superconducting films using a pulsed infrared YAG : Nd3+ laser and velocity filtration. This method is based on the removal of drops and solid particles from the flow of deposited substance with a fast shutter made of a rotating disk. The deposited smooth homogeneous YBa2Cu3O7-delta films have a critical temperature Tc > 90 K. The surface concentration of drops is less than 3 x 10(2) cm(-2), and their amount is decreased by more than six orders of magnitude.