The preference in researches is given to precise and high-quality recording (average time about 24 h) for following crystal structure solution and refinement, determination of short-range order and microstructural parameters, etc. Some examples of obtained results are given below.

Selected results

Presentation of selected results of collaboration between Laboratory and scientists of the University and other academic and university institutions of Ukraine (papers with IF 0.5–6.8 only):

Demchenko P. X-ray powder diffractometry for solving the tasks of physics and chemistry of solids // XIV Scientific Conference “Lviv Chemical Readings-2013” / Collected Abstracts, Lviv, May 26–29, 2013. – P. У42.

ІIІ School for young scientists “Diffraction methods: from ideal to real structures”

Materials of practical training “X-ray powder diffraction methods. Phase analysis”.
September 26-27, 2013, Lviv.

Crystal structure determination

Solution and refinement of the crystal structure, X-ray qualitative and quantitative phase analysis

  • Mykolaychuk O.G., Moroz N.V., Demchenko P.Yu., Akselrud L.G., Gladyshevskii R.E. Phase Relations in the Ag8SnS6–Ag2SnS3–AgBr System and Crystal Structure of Ag6SnS4Br2 // Inorganic Materials. – 2010. – Vol. 46, No. 6. – P. 590–597.
  • Demchenko P.Yu., Gladyshevskii R.E., Volkov S.V., Yanko O.G., Kharkova L.B., Fokina Z.A., Fokin A.A. The first nonaselenium ring // Chemical Communications. – 2010. – Vol. 46, Is. 25. – P. 4520–4522.
  • Romaka L., Romaka V.V., Demchenko P., Serkiz R. Peculiarity of component interaction in Er–Fe–Sn ternary system at 670 and 770 K // J. Alloys and Compounds. – 2010. – Vol. 507. – P. 67–71.
  • Shalapska T., Stryganyuk G., Gektin A., Demchenko P., Voloshinovskii A., Dorenbos P. Crystal structure and luminescence properties of LiYP4O12:Ce3+ phosphor // J. Physics: Condensed Matter. – 2010. – Vol. 22, No. 48. – P. 485503.
  • Moroz M.V., Demchenko P.Yu., Akselrud L.G., Mykolaychuk O.G., Gladyshevskii R.E. Phase relations along the Ag8GeS6–[(AgBr)4×GeS2] cross-section. Crystal structure and electric conductivity of Ag6GeS4Br2 in bulk // Chem. Met. Alloys. – 2010. – Vol. 3. – P. 161–168.
  • Volkov S.V., Gladyshevskii R.E., Demchenko P.Yu., Yanko O.G., Akselrud L.G., Kharkova L.B., Fokina Z.A. Synthesis and crystal structure of Os4S11SeCl8 // Chem. Met. Alloys. – 2010. – Vol. 3. – P. 191–196.
  • Volkov S.V., Demchenko P.Yu., Akselrud L.G., Gladyshevskii R.E., Pekhnyo V.I., Fokina Z.A., Yanko O.G., Kharkova L.B. Crystal structure of osmium selenobromide OsSe2Br12 // Russian Journal of Inorganic Chemistry. – 2011. – Vol. 56, No. 3. – P. 387–391.
  • Romaka L., Stadnyk Yu., Romaka V.V., Demchenko P., Stadnyshyn M., Konyk M. Peculiarities of component interaction in {Gd, Er}–V–Sn ternary systems at 870 K and crystal structure of RV6Sn6 stannides // J. Alloys and Compounds. – 2011. – Vol. 509. – P. 8862–8869.
  • Volkov S.V., Gladyshevskii R.E., Mironov Yu.V., Demchenko P.Yu., Yanko O.G., Smolentsev A.I., Fokina Z.A., Kharkova L.B., Baranets S.A. Osmium ThioselenochlorideOs2S6Se2Cl8: Synthesis, cluster isolation, and structure // Russian Journal of Coordination Chemistry. – 2012. – Vol. 38, No. 3. – P. 171–176.
  • Shalapska T., Stryganyuk G., Gektin A., Kotlov A., Demchenko P., Voloshinovskii A. Luminescence properties of Ce3+-doped NaPrP4O12 polyphosphate // J. Physics: Condensed Matter. – 2013. – Vol. 25, No. 10. – P. 105403.
  • Demchenko P., Gektin A., Krasnikov A., Pashuk I., Shalapska T., Stryganyuk G., Voloshinovskii A., Zazubovich S. Energy migration and Gd3+↔Ce3+ transfer in Ce3+-doped GdP3O9 metaphosphate // J. Phys. D: Appl. Phys. – 2013. – Vol. 46, N. 23. – P. 235103.
  • Баранец С.А., Демченко П.Ю., Янко О.Г., Харькова Л.Б., Гладышевский Р.Е., Николенко А.С., Волков С.В. Синтез и строение селенобромида рутения Ru2Se6Br12 // Укр. хим. журн. – 2013.– Т. 79, № 3.– С. 7–9.
  • Senchuk O., Demchenko G., Demchenko P., Gladyshevskii R. YNi4Si – new derivative of CaCu5 structure type // Visnyk of the Lviv University. Series Chemistry. – 2013. – Is. 54. – P. 77-83.
  • Konyk M., Romaka L., Demchenko P., Romaka V. V., Stadnyk Yu., Horyn A. The V–Cu–Sb ternary system at 773 K: crystal, band structure, and physical properties // J. Alloys and Compounds. – 2014. – Vol. 589. – P. 200–206.
  • Volkov S. V., Subbotin V. V., Demchenko P. Yu., Gladyshevskii R. E., Yanko O. G., Kharkova L. B. On the preparation, structure and bonding of ReSCl3 // Chem. Met. Alloys. – 2015. – Vol. 8, Is. 1/2. – P. 43–54.
  • Demchenko P., Khyzhun O. Y., Fochuk P. M., Levkovets S. I., Myronchuk G. L., Parasyuk O. V. Single crystal growth, structure and propertiesof TlHgBr3 // Optical Materials. – 2015. – Vol. 49. – P. 94–99.

Microstructural investigations

RDF, FSDP, crystallite size, lattice strain, preffered orientation of the phase grains, composite material, etc.

  • Trachevsky V.V., Steblenko L.P., Demchenko P.Y., Koplak O.V., Kuryliuk A.M., Melnik A.K. Changes in the state of paramagnetic centers and lattice parameter of micro-structured Si under the influence of weak magnetic field // Semiconductor Physics, Quantum Electronics & Optoelectronics. – 2010. – Vol. 13, N 1. – P. 87-90.
  • Aksimentyeva O.I., Demchenko P.Yu., Savchyn V.P., Balitskii O.A. Structure, electrical and luminescent properties of the polyaniline–GaSe hybrid nanocomposites // Molecular Crystals and Liquid Crystals. – 2011. – Vol. 536. –P. 65/[297]–71/[303].
  • Shevchuk V.N., Usatenko Yu.N., Demchenko P.Yu., Antonyak O.T., Serkiz R.Ya. Obtaining and observation of micro- and nano-sizeV2O5 structures // Functional Materials. – 2011. – Vol. 18, No.3. – P. 309–314.
  • Opainych I.E., Aksiment’eva O.I., D’yakonov V.P., Piechota S., Ulański J., Demchenko P.Yu., Ukrainets’ A.M. Structure and thermodeformation properties of polymer–magnetite hybrid composites // Materials Science. – 2012. – Vol. 48, Is. 1. – P. 95–100.
  • Balitskii O.A., Demchenko P.Yu., Mijowska (Borowiak-Palen) E., Cendrowski K. Synthesis and characterization of luminescent aluminium selenide nanocrystals // Mater. Res. Bull. – 2013. – Vol. 48. – P. 916–919.
  • Aksimentyeva O.I., Demchenko P.Yu., Savchyn V.P., Balitskii O.A. The chemical exfoliation phenomena in layered GaSe-polyaniline composite // Nanoscale Research Letters. – 2013. – Vol. 8:29. – P. 29-1–29-5.
  • Kulyk B., Figà V., Kapustianyk V., Panasyuk M., Serkiz R., Demchenko P. Structural properties and temperature behaviour of optical absorption edge in polycrystalline ZnO:X (Cu,Ag) films // Acta Physica Polonica A. – 2013. – Vol. 123, No. 1. – P. 92–97.
  • Rakitskaya T.L., Kiose T.A., Zryutina A.M., Gladyshevskii R.E., Truba A.S., Vasylechko V.O., Demchenko P.Yu., Gryschouk G.V., Volkova V.Ya. Solid-State Catalysts Based on Bentonites and Pd(II) Cu(II) Complexes for Low-Temperature Carbon Monoxide Oxidation // Solid State Phenomena. – 2013. – Vol. 200. – P. 299–304.
  • Shpotyuk M., Shpotyuk O., Golovchak R., Demchenko P. FSDP-related correlations in γ-irradiated chalcogenide semiconductor glasses: The case of glassy arsenic trisulphide g-As2S3 revised // Journal of Physics and Chemistry of Solids. – 2013. – Vol. 74. – P. 1721–1725.
  • Kasian O.I., Luk’yanenko T.V., Demchenko P., Gladyshevskii R.E., Amadelli R., Velichenko A.B. Electrochemical properties of thermally treated platinized Ebonex® with low content of Pt // Electrochimica Acta. – 2013. – Vol. 109. – P. 630–637.
  • Shpotyuk O., Kozyukhin S., Shpotyuk Ya., Demchenko P., Mitsa V., Veres M. Coordination disordering in near-stoichiometric arsenic sulfide glass // J. Non-Crystalline Solids. – 2014. – Vol. 402. – P. 236–243.
  • Aksimentyeva O. I., Savchyn V. P., Dyakonov V. P., Piechota S., Horbenko Yu. Yu., Opainych I. Ye., Demchenko P. Yu., Popov A., Szymczak H. Modification of polymer-magnetic nanoparticles by luminescent and conducting substances // Molecular Crystals and Liquid Crystals. – 2014. – Vol. 590, Is. 1. – P. 35–42.
  • Shmychkova O., Luk’yanenko T., Piletska A., Velichenko A., Gladyshevskii R., Demchenko P., Amadelli R. Electrocrystallization of lead dioxide: Influence of early stages of nucleation on phase composition // Journal of Electroanalytical Chemistry. – 2015. – Vol. 746. – P. 57–61.