Sidelnikova, N.S.; Nizhankovskyi, S.V.; Baranov, V.V.
(Functional Materials, 2015)
The results of the study of the charge state of the activator ([Ti³⁺], [Ti⁴⁺]) in Ti:sapphire crystals grown by the method of horizontal directed crystallization, are presented. It is shown that, depending on the pressure, ...