Name: 26TH SYMPOSIUM ON PHOTONICS AND OPTICS SPO 2025
Start: 2025-11-05T08:00:00+01:00
End: 2025-11-07T17:00:00+01:00
Location: Zoom and Faculty of Physics, Taras Shevchenko National University of Kyiv, Kyiv, Ukraine

26TH SYMPOSIUM ON PHOTONICS AND OPTICS SPO 2025

from Wednesday, November 5, 2025 (8:00 AM) to Friday, November 7, 2025 (5:00 PM)

Monday, November 3, 2025
Tuesday, November 4, 2025
Wednesday, November 5, 2025

8:45 AM Welcome Coffee & Zoom connection
Welcome Coffee & Zoom connection
8:45 AM - 9:00 AM
Room: Room 261(Laboratory building)

9:00 AM

9:00 AM - 9:10 AM
Room: Room 261(Laboratory building)
9:10 AM
9:10 AM - 11:00 AM
Room: Room 261(Laboratory building)
Contributions

9:10 AM Introduction to Synchrotron Radiation and X-ray Free-Electron Lasers in Condensed Matter Research - Luc Patthey (PSI - Paul Scherrer Institut)

9:50 AM Synchrotron Light as a Tool to Unravel Luminescent Processes in Next-Generation Materials - Oksana Chukova (Taras Shevchenko National University of Kyiv)

10:20 AM Ukrainian Synchrotron & Neutron Community and the Photonics of Quantum Materials - Alexander Kordyuk (Kyiv Academic University)
11:00 AM Coffee Break
Coffee Break
11:00 AM - 11:10 AM
Room: Room 261(Laboratory building)
11:10 AM
11:10 AM - 12:30 PM
Room: Room 261(Laboratory building)
Contributions

11:10 AM Research opportunities at SOLARIS synchrotron - Ewa Partyka-Jankowska (SOLARIS National Synchrotron Radiation Centre)

11:40 AM Introducing MAVKA - Ukrainian beamline at the SOLARIS synchrotron. - Artem Yakovliev (Institute of Nuclear Physics, Polish Academy of Sciences)

12:00 PM PHELIX - Advance Instrument for Photoemission and Soft X-Ray Absorption studies - Tomasz Sobol
12:30 PM Lunch Break
Lunch Break
12:30 PM - 1:30 PM
Room: Room 261(Laboratory building)
1:30 PM
1:30 PM - 2:05 PM
Room: Room 261(Laboratory building)
Contributions

1:30 PM The talk title will be announced later - Andrew Harrison (Central European Research Infrastructure Consortium (CERIC-ERIC))

1:50 PM German–Ukrainian Scientific Cooperation: The Role of DESY and DZA - Pavlo Plotko (German Center for Astrophysics and DESY)
2:05 PM Coffe Break
Coffe Break
2:05 PM - 2:20 PM
Room: Room 261(Laboratory building)
2:20 PM
2:20 PM - 4:05 PM
Room: Room 261(Laboratory building)
Contributions

2:20 PM Controlling Dirac–Rashba and Double Dirac Surface States in Topological Crystalline Insulator via Ultrathin Transition Metal Layers - Valentine Volobuev (International Research Centre MagTop, Institute of Physics, Polish Academy of Sciences; National Technical University ”KhPI”)

2:50 PM Looking for Topological Quantum Materials With ARPES - Volodymyr Bezguba (Kyiv Academic University)

3:15 PM A ToF-PAX-RIXS Endstation for Combined ARPES and RIXS Studies at the P04 Beamline - Sergii Chernov (DESY)

3:30 PM Synchrotron VUV Study of Luminescent Properties in Mn-Doped ZnO–ZrO₂ Ceramics - Larysa Khomenkova (V. Lashkaryov Institute of Semiconductor Physics)

3:50 PM Copper site occupancy and valence in lead apatites via XAS at ASTRA/SOLARIS - Ihor Sukhenko (Kurdyumov Institute for Metal Physics of the NAS of Ukraine)
4:05 PM

4:05 PM - 4:15 PM
Room: Room 261(Laboratory building)
Thursday, November 6, 2025

8:30 AM Welcome Coffee & Zoom connection
Welcome Coffee & Zoom connection
8:30 AM - 8:35 AM
Room: Room 261(Laboratory building)

8:35 AM

8:35 AM - 9:00 AM
Room: Room 261(Laboratory building)
9:00 AM
9:00 AM - 11:00 AM
Room: Room 261(Laboratory building)
Contributions

9:00 AM Direct optical lithography and scanning laser processing of materials for advanced optoelectronic applications - Volodymyr Dzhagan

9:30 AM Ultrashort Pulse Laser Microfabrication Technologies at FTMC - Andrius Žemaitis (Center for Physical Sciences and Technology (FTMC), Vilnius, Lithuania)

9:45 AM Single-Pulse Nanosecond Laser Patterning of Nanoscale Electronic–Structural Landscapes in GeSn - Petro Lytvyn (V. Lashkaryov Institute of Semiconductor Physics NAS Ukraine, Kyiv, Ukraine)

10:00 AM Laser reduction of Graphene Oxide films on SiO2-Si structures - Alexei N. Nazarov (Lashkaryov Institute of Semicnductor Physics NAS of Ukraine)

10:15 AM Formation and Properties of GeSn and GeSn:C Films - Volodymyr Yukhymchuk (V. Lashkaryov Institute of Semiconductor Physics of National Academy of Sciences of Ukraine)

10:30 AM Fabry–Pérot Enhanced THz Sensitivity of Antenna-Coupled HgCdTe Detectors - Zinoviia Tsybrii (V. Lashkaryov Institute of Semiconductor Physics, NAS of Ukraine)

10:45 AM Photoinduced formation of semiconductor nanocrystals in amorphous arsenic chalcogenides - Yuriy Azhniuk (Institute of Electron Physics, Nat. Acad. Sci. Ukr., Uzhhorod, Ukraine)
11:00 AM Coffee Break
Coffee Break
11:00 AM - 11:15 AM
Room: Room 261(Laboratory building)
11:15 AM
11:15 AM - 12:00 PM
Room: Room 261(Laboratory building)
Contributions

11:15 AM Measuring all-protein concentration in DNA repair foci by FLIM - Svitlana M. Levchenko (Faculty of Biochemistry, Biophysics, and Biotechnology, Jagiellonian University, Kraków, Poland)

11:45 AM Spectral Investigations of Indole-Containing Organic Compounds for Biomedical Drugs - Nazarii Tkach (Taras Shevchenko National University of Kyiv, Faculty of Physics)
12:00 PM Lunch Break
Lunch Break
12:00 PM - 1:00 PM
Room: Room 261(Laboratory building)
1:00 PM
1:00 PM - 2:50 PM
Room: Room 261(Laboratory building)
Contributions

1:00 PM Self-assembled growth of high-quality InGaN ‘lotus seed pod’ structures with red emission - Oksana Koplak (Università degli Studi di Milano-Bicocca)

1:20 PM Structural and Optical Properties of Aziridinium Germanium Hybrid Perovskites - Hanna Petrosova (Taras Shevchenko National University of Kyiv)

1:35 PM Aziridinium Cation as a Universal Building Block for HOIPs of Variable Dimensionality - Olesia Kucheriv (Taras Shevchenko National University of Kyiv)

1:50 PM 2D Hybrid Perovskite with Narrow-Band Violet-Blue Emission - Valerii Sirenko (Department of Chemistry, Taras Shevchenko National University of Kyiv, Kyiv, Ukraine)

2:05 PM Backside surface engineering for improved performance of CIGS and CZTS solar cells: application of titanium dioxide (TiO ) and graphene oxide (rGO) layer - DOUNIA FATIHI (University of Hassan II Casablanca)

2:20 PM Mn-Doped BaSnO₃ Perovskites for Next-Generation Optoelectronics: A First-Principles Investigation - YOUNES ELALAOUI (Faculty of Sciences Ben M’Sik, Hassan II University of Casablanca, B.P.7955, Morocco)
Friday, November 7, 2025

8:45 AM Welcome Coffee & Zoom connection
Welcome Coffee & Zoom connection
8:45 AM - 9:00 AM
Room: Room 261(Laboratory building)
9:00 AM
9:00 AM - 10:15 AM
Room: Room 261(Laboratory building)
Contributions

9:00 AM Performance Evaluation of the 'Cat-Eye' Effect Induced by a Laser System for Locating Optical Systems - Yaroslav Sharlovych (Institute of Physics of NAS of Ukraine)

9:15 AM Portable sensor platform based on plasmon-enhanced fluorescence for explosives detection - Andrii Lopatynskyi (V. Lashkaryov Institute of Semiconductor Physics of NAS of Ukraine)

9:30 AM Quantitative Surface Texture Metrology via Single-Image Statistical Analysis of Laser Speckle - Artem Sachko (Ukrainian Physics and Mathematics Lyceum of Taras Shevchenko National University of Kyiv)

9:45 AM Energy state of the electronic subsystem of porous carbon material caused by laser irradiation - Ivan Budzuliak (Vasyl Stefanyk Carpathian National University)

10:00 AM Application of laser Doppler vibrometry for detection of objects buried in the soil - Lyudmyla Borkovska (V. Lashkaryov Institute of Semiconductor Physics of NAS of Ukraine)
10:15 AM Coffee Break
Coffee Break
10:15 AM - 10:30 AM
Room: Room 261(Laboratory building)
10:30 AM
10:30 AM - 11:30 AM
Room: Room 261(Laboratory building)
Contributions

10:30 AM Structural, Microstructural, and Dielectric Properties of Ba(2–x)Sr(x)GdFeNb₄O₁₅ Ceramics with Tetragonal Tungsten Bronze Structure - Kenza Bahassan (PhD Student)

10:45 AM Structural and Optical Features of Molybdenum-Doped Phosphate Glasses - Kateryna Terebilenko (Taras Shevchenko National University of Kyiv)

11:00 AM Structural studies of As-S-Se glasses - Hanna Kochubei (.Lashkaryov Institute of Semiconductor Physics NAS Ukraine, Kyiv, Ukraine)

11:15 AM Tailoring the Optical and Structural Properties of Si-Doped HfO₂ Films by Hydrogen-Assisted Magnetron Sputtering and Post-Annealing treatment - Dmytro Khomenkov (Mykola Gogol Nizhyn State University)
11:30 AM
11:30 AM - 12:35 PM
Room: Room 261(Laboratory building)
Contributions

11:30 AM POLARITONS EXCITATED IN ZnO CERAMICS - Oleksandr Melnichuk (Nizhyn Mykola Gogol State University)

11:35 AM Spectroscopic study of bovine serum albumin complexation with ibuprofen and silver nanoparticles - Iryna Doroshenko (Taras Shevchenko National University of Kyiv)

11:40 AM Spectral properties of the new boron-containing dyes in composite thin films fabricated using thermal vacuum deposition method - Oleksandr Navozenko (Department of Experimental Physics, Faculty of Physics, Taras Shevchenko National University of Kyiv, Akademika Glushkova Av. 4, 03127, Kyiv, Ukraine.)

11:45 AM Analysis of dose-dependent luminescence of uncapped InGaAs quantum dots under 60Co γ-rays treatment - Oksana Strilchuk (V. Lashkaryov Institute of Semiconductor Physics, National Academy of Sciences of Ukraine, 45 Nauky Ave., Kyiv 03028, Ukraine)

11:50 AM Methodology for microhardness profiling of composite materials - Mykola Melnichenko (Taras Shevchenko National University of Kyiv)

11:55 AM Modeling the Effect of Grain Reorientation on Crack Propagation in SiC - Vadym Shvernyk

12:00 PM Increasing the red emission of Mn4+ in magnesium aluminate by alloying with TiO2 - Lyudmyla Borkovska (V. Lashkaryov Institute of Semiconductor Physics of NASU)

12:05 PM Phase composition of coatings formed by the gas-detonation spraying of hydroxyapatite powder - Valentyna Nosenko (V.Ye. Lashkaryov Institute of Semiconductor Physics, National Academy of Sciences of Ukraine)

12:10 PM Peculiarities of microfibrillated and bacterial cellulose luminescence properties - Danylo Morozov (Taras Shevchenko National University of Kyiv) Vitalii Chornii (National University of Life and Environmental Sciences of Ukraine)

12:15 PM Luminescent properties of Eu ions doped (1-x)(27P₂O₅-36MoO₃-5Bi₂O₃-32K₂O)-xKBi(MoO₄)₂ glasses and glass-ceramics - Vasyl Cherevyshnyi (Taras Shevchenko National University of Kyiv) Vitalii Chornii (National University of Life and Environmental Sciences of Ukraine)

12:20 PM Ag/Au nanoparticles of different shape for SERS detection of nitro group compounds - Nazar Mazur

12:25 PM Perovskites with variable bandgap as the basis of new semiconductor materials - Danylo Kreiman (Taras Shevchenko National University of Kyiv)

12:30 PM Structural and morphological transformation of thermally reduced graphene oxide at high temperatures - Diana Hurova (B. Verkin Institute for Low Temperature Physics and Engineering of the NAS of Ukraine)
12:35 PM Closing remarks
Closing remarks
12:35 PM - 12:45 PM
Room: Room 261(Laboratory building)

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