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VOLUME 46 (1987) | ISSUE 11 | PAGE 438
Motion of space-charge waves in LiNbO3:Fe
During the dark relaxation of phase holograms written in electrooptic LiNb03:Fe crystals, the holograms undergo a spatial displacement. This observational fact is linked with a propagation of trap charge-exchange waves in the crystal. The dispersion of these waves, ω~Κ~χ, agrees with the experimental results.