Paramagnetic and optical studies of radiation damage centers in K(H1−xDx)2PO4

Abstract

Optical and EPR studies of K(H_1−xD_x)₂PO₄ (0⩽x⩽1) single crystals irradiated at 77°K with ⁶⁰Co gamma rays and observed in liquid nitrogen, argon, and oxygen, have permitted not only the identification of two radical species produced as HPȮ⁻₄ and H₂PȮ₄, but also a description of the annealing processes and their correlation with the ferroelectric transition temperature. Magnetic and kinetic parameters are given.