Khrystyna Miliyanchuk

Position: Senior Research Fellow, Department of Inorganic Chemistry, Associate Professor, Department of Inorganic Chemistry

Scientific degree: Candidate of Chemical Sciences

Academic status: Senior Researcher

Phone (office): (032) 239-45-06


Google Scholar profile:

Research interests

  • Crystal chemistry of intermetallic compounds and their hydrydes
  • Hydrogenation-induced modifications of crystal structure and physical properties of intermetallics
  • Magnetic materials



  1. K. Miliyanchuk, S. Maskova-Cerna, L. Havela, N. Saidov, Ya. Tokaychuk, M. Dopita, R. Gladyshevskii, Crystal structures and magnetism of the hydrides of Tb2T2Ga and Tb3Co3Ga (T = Co, Ni), J. Solid State Chem. 296 (2021) 121978.
  2. O. Koloskova, V. Buturlim, M. Paukov, P. Minarik, M. Dopita, K. Miliyanchuk, L. Havela, Hydrogen in U-T alloys: Crystal structure and magnetism of UH3-V, J. Alloys Compd. 856 (2021) 157406.
  3. S. Maskova-Cerna, K. Miliyanchuk, S. Danis, A. Senyshyn, L. Akselrud, A.V. Andreev, L. Havela, Hydrogen influence in the UNiAl-UNiGa system: structure and magnetism, J. Alloys Compd. 845 (2020) 155606.
  4. K. Miliyanchuk, S. Mašková, I. Soroka, L. Havela, R. Gladyshevskii, Hydrogenation-induced changes of the crystal structure and magnetic properties of Er2Ni2Sn, J. Alloys Compd. 794 (2019) 101-107.
  5. K. Miliyanchuk, L. Havela, R. Gladyshevskii, Effect of element substitution on hydrogen absorption in compounds with the structure type W2CoB2, Chem. Met. Alloys 12 (2019) 16–20.
  6. B. Bachynska, N. Muts, K. Miliyanchuk, R. Gladyshevskii, R2-xTi3+xGe4 compounds in the R–Ti–Ge (R = Gd-Lu) systems, Chem. Met. Alloys 11 (2018) 14–17.
  7. S. Mašková, J.-N. Chotard, R.V. Denys, K. Miliyanchuk, V. Yartys, M. Giovannini, L. Akselrud, I. Halevy, J. Prokleška, L. Havela, Nd2Ni2MgH8 hydride: Synthesis, structure and magnetic properties, Intermetallics 87 (2017) 13-20.
  8. S. Mašková, K. Miliyanchuk, L. Havela, Hydrogen absorption in U3Si2 and its impact on electronic properties, J. Nucl. Mater. 487 (2017) 418-423.
  9. S. Mašková, K. Miliyanchuk, L. Akselrud, I. Halevy, M. Giovannini, L. Havela, Structure and properties of Tb2Pd2Mg hydride, J. Alloys Compd. 694 (2017) 201-207.
  10. Z. Molcanova, M. Mihalik, M. Mihalik, M. Rajnak, M. Zentkova, M. Hurakova, V. Kavecansky, M. Paukov, M, L. Havela, M. Cieslar, K. Milianchuk, Synthesis, crystal structure, electric and magnetic properties of new UNiSi2 splat, Low Temp. Phys. 43 (2017) 986–989.
  11. K. Miliyanchuk, S. Maskova, L. Havela, R. Gladyshevskii, Influence of hydrogenation on the magnetic properties of Er2Ni2Al, Chem. Met. Alloys 9 (2016) 169–173.
  12. K. Miliyanchuk, L. Havela, Y. Tsaruk, S. Mašková, R. Gladyshevskii, Hydrogen absorption in R2Ni2M compounds with the W2CoB2-type structure, J. Alloys Compd. 647 (2015) 911-916.
  13. S. Mašková, S. Daniš, K. Miliyanchuk, O. Stelmakhovych, B. Vondráčková, A. V. Kolomiets, L. Havela, Magnetism and hydrogen absorption in UNiZn, J. Alloys Compd. 646 (2015) 885-892.
  14. L. Havela, S. Mašková, P. Svoboda, K. Miliyanchuk, A. Kolomiets, A.V. Andreev, Structure and magnetism of R2T2X compounds and their hydrides; comparison of lanthanides and actinides, Chem. Met. Alloys 6 (2013) 170–176.
  15. S. Mašková, L. Havela, A. Kolomiets, K. Miliyanchuk, A.V. Andreev, H. Nakotte, J. Peterson, Y. Skourski, S. Yasin, S. Zherlitsyn, J. Wosnitza, Onset of magnetic order in U2(Ni1−xFex)2Sn-H, J. Korean Phys. Soc. 62 (2013) 1542–1546.
  16. L. Havela, K. Miliyanchuk, A. P Goncalves, J.-C. Waerenborgh, L. C Pereira, P. Gaczynski, E. B Lopes, Increase of TC in UFe2+x synthesized by ultrafast cooling, Intermetallics 19 (2011) 113-120.
  17. K. Miliyanchuk, F. Kneidinger, C. Blaas-Schenner, D. Reith, R. Podloucky, P. Rogl, T. Khan, L. Salamakha, G. Hilscher, H. Michor, E. Bauer, A. D. Hillier, Platinum metal silicides and germanides: superconductivity in non-centrosymmetric intermetallics,  J. Phys.: Conf. Ser. 273 (2011) 012078.
  18. S. Mašková, L. Havela, E. Šantavá , K. Miliyanchuk, Hydrogenation affecting the 5f magnetism, J. Phys.: Conf. Ser. 200 (2010) 032040.
  19. L. Havela, S. Mašková, S. Daniš, O. Stelmakhovych, K. Miliyanchuk, Large H absorption in Nd2Ni2In; magnetism in a new structure type, Mater. Res. Soc. Symp. Proc. 1216 (2009) 1216-W03-12.
  20. A. Adamska, L. Havela, K. Eichinger, J. Pospíšil, K. Miliyanchuk, Magnetic properties of hydrogenated unconventional superconductor: UCoGe-H, Int. J. Mat. Res. 100 (2009) 1230-1233.
  21. S. Mašková, L. Havela, E. Šantavá , K. Miliyanchuk, Hydrogen as a probe into the 5f-magnetism, Int. J. Mat. Res. 100 (2009) 1187-1189.
  22. K. Eichinger, L. Havela, J. Prokleška, O. Stelmakhovych, S. Daniš, E. Šantavá, K. Miliyanchuk, Are RENiAl hydrides metallic? Int. J. Mat. Res. 100 (2009) 1200-1202.
  23. L. Havela, K. Miliyanchuk, A. Kolomiets, f-Element hydrides: structure and magnetism, Int. J. Mat. Res. 100 (2009) 1182-1186.
  24. S. Mašková, L. Havela, E. Šantavá, K. Miliyanchuk, Effect of hydrogen doping in UTX compounds, J. Appl. Phys. 105 (2009) 07E127.
  25. M. Dzevenko, K. Miliyanchuk, Ya. Filinchuk, O. Stelmakhovych, L. Akselrud, L. Havela, Ya. Kalychak, Large hydrogen capacity in hydrides R2Ni2In–H (R = La, Ce, Pr, Nd) with new structure type, J. Alloys Compd. 477 (2009) 182-187.
  26. K. Miliyanchuk, L. Havela, J.C. Waerenborgh, P.M. Gaczynski, O. Prokhnenko, Crystal structure, magnetic and transport properties of UCoSnD0.6, Chem. Met. Alloys 1 (2008) 174-179.
  27. K. Miliyanchuk, A. V. Kolomiets, Ya. V. Galadzhun, L. Havela, I. I. Bulyk, A. M. Trostianchyn, Ya. M. Kalychak. Structure and magnetism of new R2Cu2In hydrides (R = Ce, Gd), Chem. Met. Alloys 1 (2008) 46-49. 
  28. L. Havela., K. Miliyanchuk, J. Pešicka, A.P. Gonçalves, J.C. Waerenborgh, L.C.J. Pereira, E. Šantavá, J. Šebek, Magnetic properties of UFe2+x prepared by splat cooling, Acta Phys. Pol. A 113 (2008) 247-250.
  29. M. Dzevenko, L. Havela, J. Prokleška, P. Svoboda, K. Miliyanchuk, Y. Kalychak, Magnetic and transport properties of R(Mn, In)2 (— rare-earth metals) with AlB2-structure type, Physica B 393 (2007) 321-327.
  30. Z. Tarnawki, L. Kolwicz-Chodak, H. Figiel, N.-T.H. Kim-Ngan, A. Kozłowki, T. Dawid, L. Havela, K. Miliyanchuk, E. Šantavá, Specific heat of YMn2Hx and HoMn2Hx, J. Alloys Compd. 446-447 (2007) 415-418.
  31. L. Havela, K. Miliyanchuk, A.V. Kolomiets, L.C.J. Pereira, A.P. Gonçalves, E. Šantavá, K. Prokeš, 5f Magnetism Studied in Complex Intermetallic U-based Hydrides, J. Alloys Compd. 446-447 (2007) 606-609.
  32. L. Kolwicz-Chodak, Z. Tarnawki, H. Figiel, N.-T.H. Kim-Ngan, A.V. Pacyna, L. Havela, K. Miliyanchuk, E. Šantavá, Magnetic properties of TbMn2(H,D)x, J. Alloys Compd. 442 (2007) 365-367.
  33. Z. Tarnawki, L. Kolwicz-Chodak, H. Figiel, N.-T.H. Kim-Ngan, L. Havela, K. Miliyanchuk, V. Sechovský, E. Šantavá, J. Šebek, Specific heat and magnetization of RMn2(H,D)2, J. Alloys Compd. 442 (2007) 372-374.
  34. L. Havela, K. Miliyanchuk, L.C.J. Pereira, E. Šantavá, Low-temperature properties of U2Co2InH1.9, Z. Naturforsch. 62b (2007) 977-981.
  35. K. Miliyanchuk, L. Havela, L.C.J. Pereira, A.P. Gonçalves, K. Prokeš, Peculiarities of U2T2X hydrides, J. Magn. Magn. Mater. 310 (2007) 945-947.
  36. K. Miliyanchuk, L. Havela, S. Daniš, A.V. Kolomiets, L.C.J. Pereira, A.P. Gonçalves, Magnetism in hydrogen-doped U2T2X compounds, Physica B 378-380 (2006) 983-984.
  37. K. Miliyanchuk, L. Havela, S. Daniš, A.V. Kolomiets, L.C.J. Pereira, A.P. Gonçalves, New family of intermetallic hydrides: U2T2InHx and U2T2SnHx. in Recent Advances in Actinide Science. The proceedings of the eights Actinide Conference, Actinides 2005, held in University of Manchester (Eds. I. May, R. Alvares, N. Bryan) The Royal Society of Chemistry (2006) 388-390.
  38. L. Havela, K. Miliyanchuk, D. Rafaja, T. Gouder, F. Wastin, Structure and magnetism of thin UX layers, J. Alloys Compd. 408-412 (2006) 1320-1323.
  39. L. Havela, K. Miliyanchuk, A.V. Kolomiets, A.V. Andreev, L.C.J. Pereira, A.P. Goncalves, Magnetic Properties of Hydrides of Uranium Intermetallics. in: Hydrogen in Matter. A Collection from the papers presented at the Second International Symposium on Hydrogen in Matter (Eds. G. R. Myneni, B. Hjörvarsson) Uppsala (2005) 97-103.
  40. K. Miliyanchuk, L. Havela, A.V. Kolomiets, A.V. Andreev, Structure and magnetism of a new series of UTSn hydrides, J. Alloys Compd. 404-406 (2005) 165-168.
  41. A.V. Kolomiets, K. Miliyanchuk, Ya. Galadzhun, L. Havela, J. Vejpravova, PrNi and CeNi hydrides with extremely high H-density, J. Alloys Compd. 402 (2005) 95-97.
  42. K. Miliyanchuk, L. Havela, A.V. Kolomiets, A.V. Andreev, Effect of hydrogenation on magnetism of U2Co2Sn, Physica B 359-361 (2005) 1042-1044.
  43. A.V. Kolomiets, L. Havela, A.V. Andreev, K. Miliyanchuk, S. Heathman, T. Goto, High-field and high-pressure studies of UPdSi and UNiSi hydrides, J.Magn. Magn. Mater. 272-276 (2004) e343-e344.
  44. K. Miliyanchuk, A.V. Kolomiets, L.Havela, A.V. Andreev. UCoSiH0.7: new representative of UTSiHx hydrides, J. Alloys Compd. 383 (2004) 103-107.
  45. Yu.B.Tyvanchuk, Kh.Yu.Miliyanchuk, V.I.Zaremba, Yu.Stępień-Damm, Ya.M.Kalychak, Interaction of the components in the systems Sm-{Si, Ge}-In at 870 K, Ukr. Khim. Zh. 67 (2001) 15-18. (in Ukrainian)
  46. Ya.M.Kalychak, V.I.Zaremba, Ya.V.Galadzhun, Kh.Yu.Miliyanchuk, R.-D.Hoffmann, R.Pöttgen, A new 1[Ni7] cluster in LaNi7In6 and distorted bcc indium cubes in LaNiIn4, Chem. Eur. J. 7 (2001) 5343-5349.
  47. Kh.R. Horbachevska, N.L. Shvarchovska, M.M. Yatsyshyn, Kh.Yu. Miliyanchuk, Voltammetric analysis of alkine peroxides, Vopr. Khim. Khim. Tekhnol. 1 (1999) 94-96. (in Ukrainian)


Brief Statement of Scientific Carrier and Qualification

2015-till now: Senior researcher at the Department of Inorganic Chemistry, Ivan Franko National University of Lviv.
2012-till now: Associate professor at the Department of Inorganic Chemistry, Ivan Franko National University of Lviv.
2008-2014: Managing editor of scientific journal “Chemistry of Metals and Alloys
2007: Junior Researcher at the Department of Inorganic Chemistry, Ivan Franko National University of Lviv.
2002-2006: PhD student at the Department of Electronic Structures of the Faculty of Mathematics and Physics, Charles University, Prague (The thesis “Synthesis and studies of new hydrides based on the compounds of f-metals” defended at the Faculty of Mathematics and Physics, Charles University, Prague; October, 2006. Attestation as C.Sc. in Chemistry in 2007 at Lviv University).
1997-2002: Student of the Faculty of Chemistry of Ivan Franko National University of Lviv (Thesis “The interaction of R2T2In compounds with hydrogen (R = Ce, Gd, Sm; T = Ni, Cu)” prepared at the Department of Inorganic Chemistry)

Scientific and technical skills
  • synthesis of of intermetallic compounds and their hydrides;
  • X-ray diffraction methods;
  • crystal structure determination and refinement;
  • magnetic measurements;
  • specific heat measurements;
  • neutron powder diffraction;
  • sputter deposition and characterization of thin films;
  • Mössbauer spectroscopy
External stays
  • Institute for Materials Research, Tohoku University, Oarai, Japan (January-February 2020). GIMRT Collaborative Research project. Physical properties measurements under pressure.
  • Charles University, Prague, Czech Republic: EU project “Nanomaterials Centre for Advanced Applications” (August-December 2017); bilateral project “f-Elements intermetallics as matrices for hydrogen storage” (July-August, 2019); a number of short-term stays for experimental research.
  • Forschungs-Neutronenquelle Heinz Maier-Leibnitz, Garching/Munich, Germany (October 2017). Powder diffraction on deuterides .
  • Vienna University, Austria (October 2009-January 2010). Ernst Mach Grant. Project “New non-centrosymmetric superconductors”.
  • Instituto Tecnológico e Nuclear/CFMC-UL, Sacavém, Portugal (August 2006). COST-16 action. 119Sn Mössbauer spectroscopy on hydrides .
  • Hahn-Meitner Institute, Berlin, Germany (March 2006).  BENSC Neutron Proposals Program. Powder diffraction on deuterides .
  • Freiberg University of Mining and Technology, Freiberg, Germany (March 2004). Structure analysis of thin films .
  • ITU-Actinide User Lab project, Karlsruhe, Germany (January 2004). Project “Synthesis and magnetism of US thin layers” .


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