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VOLUME 97 (2013) | ISSUE 1 | PAGE 3
Investigation of the photoionization of Ce3+ ions in YAG crystal by microwave resonant technique
Abstract
Kinetic and spectral characteristics of the complex dielectric constant of Ce:YAG crystal under laser irradiation in 250-275 nm spectral range are investigated. The lifetimes of free charge carrier and charge carriers, localized at the lattice defects (color centers), are estimated. It was established that photoconductivity signal of the sample is essentially caused by one-photon ionization processes from the 2F5/2 ground state of Ce3+ ions.