TGS single crystals doped with lysine: new material for IR detectors

Abstract

Ferroelectric single crystals of triglicine sulphate (TGS) doped with lysine (TGSL10) were grown from a water solution, below Curie point, with use of static method, by evaporation of the solvent. Morphology changes were observed in new grown single crystals, in comparison to pure TGS. Parameters of the crystal lattice were determined with use of powder X-ray diffraction method and compared with parameters of pure TGS. Temperature characteristics of spontaneous polarization Ps and coercive field Ec were measured as well as observations of domain structure of new material.