1. O. Romanyuk, J. Brault, I. Gordeev, E. Ukraintsev, J. Houdková, P. Jiříček
    Depth profiling of AlN and Alx Ga 1−x N crystals by XPS using Al Kα and Ag Lα line excitation and Ar ion gas cluster ion source
    Journal of Applied Physics 133 (2023) 035301-1-035301-13.
  2. O. Romanyuk, J. Zemek, J. Houdková, O. Babčenko, E. Shagieva, K. Beranová, A. Kromka, P. Jiříček
    Effects of monoatomic and cluster bombardment with Ar ion beam on the surface of hydrogenated nanocrystalline diamond
    Diamond and Related Materials 133 (2023) 109748-1-109748-9.
  3. D. Miliaieva, A. Sokeng-Djoumessi, J. Čermák, K. Kolářová, M. Schaal, F. Otto, E. Shagieva, O. Romanyuk, J. Pangrác, J. Kulíček, V. Nádaždy, Š. Stehlík, A. Kromka, H. Hoppe, B. Rezek
    Absolute energy levels in nanodiamonds of different origins and surface chemistries
    Nanoscale Advances 5 (2023) 4402-4414.
  4. K. Kolářová, I. Bydzovska, O. Romanyuk, E. Shagieva, E. Ukraintsev, A. Kromka, B. Rezek, Š. Stehlík
    Hydrogenation of HPHT nanodiamonds and their nanoscale interaction with chitosan
    Diamond and Related Materials 134 (2023) 109754(1)-109754(11).
  5. Luis Joel Glahn, Isaac Azahel Ruiz Alvarado, * Sergej Neufeld, Mohammad Amin ZarePour, Agnieszka Paszuk, David Ostheimer, Sahar Shekarabi, O. Romanyuk, Dominik Christian Moritz, Jan Philipp Hofmann, Wolfram Jaegermann, Thomas Hannappel, Wolf Gero Schmidt
    Clean and Hydrogen-Adsorbed AlInP(001) Surfaces:Structures and Electronic Properties
    physica status solidi (b) 2200308 (2022) 1-6.
  6. O. Romanyuk, A. Paszuk, I. Gordeev, R.G. Wilks, S. Ueda, C. Hartmann, R. Félix, M. Bär, C. Schlueter, A. Gloskovskii, I. Bartoš, M. Nandy, J. Houdková, P. Jiříček, W. Jaegermann, J.P. Hofmann, T. Hannappel
    Combining advanced photoelectron spectroscopy approaches to analyse deeply buried GaP(As)/Si(100) interfaces: Interfacial chemical states and complete band energy diagrams
    Applied Surface Science 605 (2022) 154630(1)-154630(11).
  7. Mohammad Amin Zare Pour, O. Romanyuk, Dominik C.Moritz, Agnieszka Paszuk, Clément Maheu, Sahar Shekarabi, Kai Daniel Hanke, David Ostheimer, Thomas Mayer, Jan P.Hofmann, Wolfram Jaegermann, Thomas Hannappel
    Band energy diagrams of n-GaInP/n-AlInP(100) surfaces and heterointerfaces studied by X-ray photoelectron spectroscopy
    Surfaces and Interfaces 34 (2022) 102384(1)-102384(7).
  8. Š. Stehlík, M. Mermoux, B. Schummer, O. Vanek, K. Kolářová, P. Hrmová, A. Vlk, M. Ledinský, R. Pfeifer, O. Romanyuk, I. Gordeev, F. Roussel-Dherbey, Z. Nemeckova, J. Henych, P. Bezdicka, A. Kromka, B. Rezek
    Size Effects on Surface Chemistry and Raman Spectra of Sub-5 nm Oxidized High-Pressure High-Temperature and Detonation Nanodiamonds
    Journal of Physical Chemistry C 125 (2021) 5647-5669.
  9. O. Romanyuk, A. Paszuk, I. Bartoš, R.G. Wilks, M. Nandy, J. Bombsch, C. Hartmann, R. Félix, S. Ueda, I. Gordeev, J. Houdková, P. Kleinschmidt, P. Machek, M. Bär, P. Jiříček, T. Hannappel
    Band Bending at Heterovalent Interfaces: Hard X-ray Photoelectron Spectroscopy of GaP/Si(001) Heterostructures
    Applied Surface Science 565 (2021) 150514-1-150514-13.
  10. Irena Bydzovska, E. Shagieva, I. Gordeev, O. Romanyuk, Zuzana Nemeckova, Jiri Henych, L. Ondič, A. Kromka, Š. Stehlík
    Laser-Induced Modification of Hydrogenated Detonation Nanodiamonds in Ethanol
    Nanomaterials 11 (2021) 2251(1)-2251(13).
  11. O. Romanyuk, O. Supplie, A. Paszuk, J.P. Stoeckmann, R. G. Wilks, J. Bombsch, C. Hartmann, R. Garcia-Diez, Sh. Ueda, I. Bartoš, I. Gordeev, J. Houdková, P. Kleinschmidt, M. Bär, P. Jiříček, Th. Hannappel
    Hard X-ray photoelectron spectroscopy study of core level shifts at buried GaP/Si(001) interfaces
    Surface and Interface Analysis 2020 (2020) 1-6.
  12. E. Horynová, O. Romanyuk, L. Horák, Z. Remeš, B. Conrad, A. P. Amalathas, L. Landová, J. Houdková, P. Jiříček, T. Finsterle, J. Holovský
    Optical characterization of low temperature amorphous MoOx, WOX, and VOx prepared by pulsed laser deposition
    Thin Solid Films 693 (2020) 137690(1)-137690(6).
  13. N. Blumenschein, C. Kadlec, O. Romanyuk, T. Paskova, J.F. Muth, F. Kadlec
    Dielectric and conducting properties of unintentionally and Sn-doped β-Ga2O3 studied by terahertz spectroscopy
    Journal of Applied Physics 127 (2020) 165702(1)-165702(8).
  14. O. Romanyuk, I. Gordeev, A. Paszuk, O. Supplie, J.P. Stoeckmann, J. Houdková, E. Ukraintsev, I. Bartoš, P. Jiříček, T. Hannappel
    GaP/Si(001) interface study by XPS in combination with Ar gas cluster ion beam sputtering
    Applied Surface Science 514 (2020) 145903(1)-145903(8).
  15. P.Kleinschmidt, P. Mutombo, T.Bertholda, A.Paszuk, M.Steidl, G.Ecke, A.Nägelein, C.Koppka, O.Supplie, S.Krischok, O. Romanyuk, M.Himmerlichad, T.Hannappel
    Atomic surface structure of MOVPE-prepared GaP(111)B
    Applied Surface Science 534 (2020) 147346-.
  16. P.J. Snyder, H. Davis, N. G.Berg, B. Peare, O. Romanyuk, P. Jiříček, T. Paskova, A. Ivanisevic
    Passivation of Semipolar (10-1-1) GaN with Different Organic Adsorbates
    Materials Letters 236 (2019) 201-204.
  17. W. Taylor Adams IV, Nelson R. Vinueza, O. Romanyuk, I. Gordeev, Tania Paskova, Albena Ivanisevic
    Nanostructured GaOOH modified with reactive yellow, red and blue water-soluble dyes
    AIP Advances 9 (2019) 025005-1-025005-6.
  18. S. Tulić, T. Waitz, M. Čaplovičová, G. Habler, M. Varga, M. Kotlár, V. Vretenár, O. Romanyuk, A. Kromka, B. Rezek, V. Skákalová
    Covalent Diamond−Graphite Bonding: Mechanism of Catalytic Transformation
    ACS Nano 13 (2019) 4621-4630.
  19. Sara Gleco, O. Romanyuk, I. Gordeev, K. Kuldová, Tania Paskova, and Albena Ivanisevic
    Modification of the Surface Properties of AlxGa1−xN Substrates with Gradient Aluminum Composition Using Wet Chemical Treatments
    ACS Omega 4 (2019) 11760-11769.
  20. O. Romanyuk, I. Bartoš, I. Gordeev, A. Artemenko, M. Varga, T. Ižák, M. Marton, P. Jiříček, A. Kromka
    Electron affinity of undoped and boron-doped polycrystalline diamond films
    Diamond and Related Materials 87 (2018) 208-214.
  21. O. Romanyuk, M. Varga, S. Tulic, T. Izak, P. Jiříček, A. Kromka, V. Skakalova, B. Rezek
    Study of Ni-catalyzed Graphitization Process of Diamond by In-situ X-ray Photoelectron Spectroscopy
    Journal of Physical Chemistry C 122 (2018) 6629-6636.
  22. Oliver Supplie, O. Romanyuk, Christian Koppka, Matthias Steidl, Andreas Nägelein, Agnieszka Paszuk, Lars Winterfeld, Anja Dobrich, Peter Kleinschmidt, Erich Runge, Thomas Hannappel
    Metalorganic vapor phase epitaxy of III–V-on-silicon: Experiment and theory
    Progress in Crystal Growth and Characterization of Materials 64 (2018) 103-132.
  23. I. Bieloshapka, P. Jiříček, M. Vorokhta, E. Tomsik, A. Rednyk, R. Perekrestov, K. Jurek, E. Ukraintsev, K. Hruška, O. Romanyuk, B. Lesiak
    Pd-catalysts for DFAFC prepared by magnetron sputtering
    Applied Surface Science 419 (2017) 838-848.
  24. I. Bartoš, O. Romanyuk, T. Paskova, P. Jiříček
    Electron band bending and surface sensitivity: X-ray photoelectron spectroscopy of polar GaN surfaces
    Surface Science 664 (2017) 241-245.
  25. O. Romanyuk, P. Jiříček, J. Zemek, J. Houdková, K. Jurek, O. Gedeon
    Irradiation of potassium-silicate glass surfaces: XPS and REELS study
    Surface and Interface Analysis 48 (2016) 543-546.
  26. O. Romanyuk, I. Bartoš, J. Brault, P. De Mierry, T. Paskova, P. Jiříček
    GaN quantum dot polarity determination by X-ray photoelectron diffraction
    Applied Surface Science 389 (2016) 1156-1160.
  27. I. Bartoš, O. Romanyuk, J. Houdková, P. P. Paskov, T. Paskova, P. Jiříček
    Electron band bending of polar, semipolar and non-polar GaN surfaces
    Journal of Applied Physics 119 (2016) 105303-1-105303-7.
  28. O. Romanyuk, O. Supplie, T. Susi, M. M. May, T. Hannappel
    Ab initio density functional theory study on the atomic and electronic structure of GaP/Si(001) heterointerfaces
    Physical Review B 94 (2016) 155309-1-155309-9.
  29. O. Romanyuk, P. Mutombo, F. Grosse
    Ab initio Study of Atomic Disorder on As-rich GaAs(111)A Surface
    Surface Science 641 (2015) 330-335.
  30. O. Romanyuk, P. Jiříček, T. Paskova, I. Bartoš
    Polarity of GaN with polar {0001} and semipolar {1-101}, {20-21}, {11-22} orientations by x-ray photoelectron diffraction
    Journal of Materials Research 30 (2015) 2881-2892.
  31. O. Romanyuk, S. Fernández-Garrido, P. Jiříček, I. Bartoš, L. Geelhaar, O. Brandt, T. Paskova
    Non-destructive assessment of the polarity of GaN nanowire ensembles using low-energy electron diffraction and x-ray photoelectron diffraction
    Applied Physics Letters 106 (2015) 021602-1-021602-4.
  32. Oliver Supplie, Matthias M. May, Gabi Steinbach, O. Romanyuk, Frank Grosse, Andreas Nägelein, Peter Kleinschmidt, Sebastian Brückner, Thomas Hannappel
    Time-Resolved In Situ Spectroscopy During Formation of the GaP/Si(100) Heterointerface
    Journal of Physical Chemistry Letters 6 (2015) 464-469.
  33. O. Romanyuk, P. Jiříček, T. Paskova, I. Bartoš
    Polarity of semipolar wurtzite crystals: X-ray photoelectron diffraction from GaN{10-11} and GaN{20-21} surfaces
    Journal of Applied Physics 116 (2014) 104909-1-104909-6.
  34. P. Mutombo, O. Romanyuk
    Ab initio density functional theory study of non-polar (10-10), (11-20) and semipolar {20-21} GaN surfaces
    Journal of Applied Physics 115 (2014) 203508-1-203508-5.
  35. I. Bartoš, O. Romanyuk
    Polarity of wurtzite crystals by photoelectron diffraction
    Applied Surface Science 315 (2014) 506-509.
  36. O. Romanyuk, K. Hattori, M. Someta, H. Daimon
    Surface structure and electronic states of epitaxial $\beta$-FeSi2(100)/Si(001) thin films: Combined quantitative LEED, ab initio DFT, and STM study
    Physical Review B 90 (2014) 155305-1-155305-9.
  37. O. Supplie, S. Brückner, O. Romanyuk, H. Döscher, C. Höhn, M.M. May, P. Kleinschmidt, F. Grosse, T. Hannappel
    Atomic scale analysis of the GaP/Si(100) heterointerface by in situ reflection anisotropy spectroscopy and ab initio density functional theory
    Physical Review B 90 (2014) 235301(1)-235301(1).
  38. O. Romanyuk, P. Jiříček, P. Mutombo, T. Paskova, I. Bartoš
    Surface analysis of free-standing GaN substrates with polar, nonpolar, and semipolar crystal orientations
    Proceedings of SPIE 8625 (2013) 862521-1-862521-9.
  39. O. Romanyuk, P. Jiříček, T. Paskova, I. Bieloshapka, I. Bartoš
    GaN polarity determination by photoelectron diffraction
    Applied Physics Letters 103 (2013) 091601-1-091601-4.
  40. O. Romanyuk, T. Hannappel, F. Grosse
    Atomic and electronic structure of GaP/Si(111), GaP/Si(110), and GaP/Si(113) interfaces and superlattices studied by density functional theory.
    Physical Review B 88 (2013) 115312-1-115312-8.
  41. O. Romanyuk, P. Jiříček, T. Paskova
    Quantitative low-energy electron diffraction analysis of the GaN(000-1) (1×1) reconstruction
    Surface Science 606 (2012) 740-743.
  42. I. Bartoš, O. Romanyuk
    Layer-resolved photoelectron diffraction from Si(001) and GaAs(001)
    Journal of Electron Spectroscopy and Related Phenomena 185 (2012) 512-517.
  43. O. Romanyuk, P. Jiříček, T. Paskova
    Atomic and electronic structure of N-terminated GaN(000-1) (1x1) surface
    Journal of Physics: Conference Series 389 (2012) 012013-012019.
  44. O. Romanyuk, P. Jiříček, J. Zemek, S. Tougaard, T. Paskova
    Dielectric response functions of the (000-1), (10-13) GaN single crystalline and disordered surfaces studied by reflection electron energy loss spectroscopy
    Journal of Applied Physics 110 (2011) 043507(1)-043507(7).
  45. A. Proessdorf, F. Grosse, O. Romanyuk, W. Braun, B. Jenichen, A. Trampert, H. Riechert
    Interface engineering for improved growth of GaSb on Si(111)
    Journal of Crystal Growth 323 (2011) 401-404.
  46. A. Proessdorf, F. Grosse, W. Braun, F. Katmis, H. Riechert, O. Romanyuk
    Analysis of GaSb and AlSb reconstructions on GaSb(111) A- and B-oriented surfaces by azimuthal-scan reflection high-energy electron diffraction
    Physical Review B 83 (2011) 155317(1)-155317(11).
  47. O. Romanyuk, F. Grosse, W. Braun
    Ab initio study of one-dimensional disorder on III-V semiconductor surfaces
    physica status solidi (c) 7 (2010) 330-333.
  48. O. Romanyuk, F. Grosse, A. Proessdorf, W. Braun, H. Riechert
    Stabilization of semiconductor surfaces by configurational entropy.
    Physical Review B 82 (2010) 125315-1-125315-5.
  49. O. Romanyuk, W. Braun, F. Grosse
    Ab Initio Study of GaSb(001)-c(2 x 10) and (2 x 10) Reconstructions
    e-Journal of Surface Science and Nanotechnology 7 (2009) 429-431.
  50. O. Romanyuk, F. Grosse, W. Braun
    Stoichiometry and Bravais lattice diversity: An ab initio study of the GaSb(001) surface
    Physical Review B 79 (2009) 235330(1)-235330(6).