FASCINATION ABOUT FE²�?ZNS CRYSTAL

KLuS 2 one crystal samples undoped and doped having a very low (five %) or higher (38 %) concentration of trivalent thulium or ytterbium ions ended up synthesized in the shape of slender hexagonal plates. The minimal phonon Vitality (�?20 cm ⁻�?) was confirmed using Raman spectroscopy. Samples were studied also by using optical absorption and