Purpose. Photochromic films for optical recording of information; superionic films for creating miniature batteries, high-capacity accumulators, etc.; ferroelastic films in radio engineering, for light electromodulation.
Application area. Optoelectronics and radio engineering.
Advantages. Photochromic glass is an analogue of photochromic films, the preparation of which is much more expensive and complicated. There are no analogues of the methods for preparing superionic and ferroelastic films.
Description. A method has been developed for preparing multilayer and mixed photochromic films based on copper and cadmium halides and (AgCI)x(CuCI)1-x films. The films withstand more than 20 cycles of optical recording of information with short-wave light during optical coloring and long-wave light during optical bleaching of pre-colored films. The films are completely bleached thermally. A method for vacuum deposition of thin films of superionic conductors with high ionic conductivity Mag4I5 (M=K, Kb), RbCu4Cl3I2 and ferroelastics M2CdI4 (M=K, Rb, Cs) of stoichiometric composition without admixture of the initial components has been developed. Their electronic spectrum and phase transitions during heating and cooling of the films have been studied.