Abstract
Uniform composites of polyvinylpyrrolidone with the paramagnetic chromium (tris)oxalate complex (C23H23N2O+)3Cr(C2O4)3·11.56 H2O and cation of quinoline spiropyran of the indo-line series were obtained for the first time. Their photochemical properties and static and superhigh-frequency dynamic magnetic characteristics were studied. The change in the ESR spectra under UV irradiation in films of polyvinylpyrrolidone containing photochromic paramagnetic was observed.
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