![Photoinduced transformation of defects in crystals with soft phonon modes: Photoluminescence of Cr
<sup>3+</sup>
zerophonon r-line in KTaO
<sub/>3</sub>
, SrTiO
<sub/>3</sub>
and (K, Li)TaO
<sub/>3</sub>]()
Photoinduced transformation of defects in crystals with soft phonon modes: Photoluminescence of Cr
<sup>3+</sup>
zerophonon r-line in KTaO
<sub/>3</sub>
, SrTiO
<sub/>3</sub>
and (K, Li)TaO
<sub/>3</sub>Trepakov, V. A.; Babinsky, A. V.; Vikhnin, V. S.; Syrnikov, P. P. · Ferroelectrics · 1988