Andriyevsky, B.V.; Romanyuk, M.O.; Dumka, Yu.A.
(Semiconductor Physics Quantum Electronics & Optoelectronics, 2003)
Temperature dependences of the linear dimension L(T) and the optical path difference D(T) of the ferroelectric diglycine nitrate crystals, (NH₂CH₂COOH)₂ HNO₃, have been measured for three principal directions of optical ...