Lithium sulfate is a white inorganic salt with the formula Li2SO4. It is the lithium salt of sulfuric acid. It is soluble in water, though it does not follow the usual trend of solubility versus temperature — its solubility in water decreases with increasing temperature, as its dissolution is an exothermic process. Since it has hygroscopic properties, the most common form of lithium sulfate is lithium sulfate monohydrate. Anhydrous lithium sulfate has a density of 2.22 g/cm3, but weighing lithium sulfate anhydrous can become cumbersome as it must be done in a water lacking atmosphere.
Zn-doped Lithium Sulphate monohydrate single crystals with good quality were grown by slow evaporation technique. The grown crystals were subjected to powder X-ray diffraction study that confirms the change in the lattice parameters and quality of the crystal, Fourier Transform Infrared Spectroscopy ensures the functional groups, UV-Visible analysis which reveals the optical transmittance, lower cutoff wavelength and band gap, and Energy dispersive X-ray analysis gives chemical composition and confirms the inclusion of the dopant into the grown pure LSMH single crystal. Introduction.