ABOUT FE²�?ZNS CRYSTAL

KLuS two one crystal samples undoped and doped by using a minimal (5 %) or high (38 %) concentration of trivalent thulium or ytterbium ions had been synthesized in the form of slender hexagonal plates. The very low phonon energy (�?20 cm ⁻�?) was confirmed utilizing Raman spectroscopy. Samples were being researched also by making use of optic