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Effect high energy e-irradiation on structure and optical properties of crystals Cr:Mg2SiO4

It was investigated the influence of radiation on structure and optical properties of crystals Cr: Mg2SiO4. Chromium ions existing in different valence (Cr2+, Cr3+, Cr4+) are active particles of solid tunable wavelength lasers. After electron irradiation chromium ions can change valence with modification of optical properties. It was established that electron irradiation significantly influence upon local structure of cat ions in octahedral oxygen encirclement.