1. Vibrational spectra of quercetin and their interpretation with quantum-mechanical density-functional method.
   Kutovyy S., Savchuk R., Bashmakova N., Stanovyi О. and Palchykivska L. 2021. Ukr.J.Phys.Opt. 22: 181 – 197.
   doi: 10.3116/16091833/22/4/181/2021


2. Implementation of optical quantum gate for polarization-encoded qubits via acousto-optic diffraction by shear acoustic waves in vitreous media.
   Krupych O., Martynyuk-Lototska I., Orykhivskyi I., Adamenko D., Kostyrko M. and Vlokh R.
   2021. Ukr.J.Phys.Opt. 22: 198 – 208. doi: 10.3116/16091833/22/4/198/2021


3. Polarized photoluminescence of Alq3 thin films obtained by the method of oblique-angle deposition.
   Karbovnyk I., Sadovyi B., Turko B., Kukhta A. V., Vasil’yev V. S., Horyn A., Kulyk Y., Eliyashevskyi Y., Kostruba A., Savaryn V., Stybel V. and Majevska S. 2021. Ukr.J.Phys.Opt. 22: 209 – 215.
   doi: 10.3116/16091833/22/4/209/2021


4. Temperature behaviour of fundamental absorption edge in superionic Ag₆PS₅I crystals.
   Studenyak I. P., Pop M. M., Shender I. O., Pogodin A. I. and Kranjcec M. 2021. Ukr.J.Phys.Opt. 22: 216 – 224.
   doi: 10.3116/16091833/22/4/216/2021