PHYSICS

Essential features of zero-phonon $R$ transition temperature dependence in the $\mathrm{KTaO}_3:\mathrm{Cr}^{3+}$ fluorescence spectra: relation to the soft mode

V. A. Trepakov, A. V. Davydov, A. V. Babinskii, P. P. Syrnikov, G. A. Smolenskii, L. Yastrabik

Ioffe Physico-Technical Institute USSR Academy of Sciences, Leningrad

UDC: 535.372:537.226.4

Received: 04.05.1984