Affiliation and official address:

Theoretical Physics department, Physics Faculty, Taras Shevchenko National University of Kyiv, Kyiv, Volodymyrska street 64, Kyiv,  01601,  UKRAINE, e-mails VReshetnyak(at)univ.kiev.ua, victor.reshetnyak(at)gmail.com

a)     Employment

2022–2023

Professor at Theoretical Physics Department, Taras Shevchenko National University of Kyiv, Ukraine

2017 –2022

Head of Theoretical Physics Department, Taras Shevchenko National University of Kyiv, Ukraine

1999 – 2017             

Professor, Theoretical Physics Department, Taras Shevchenko National University of Kyiv

1998 – 1999             

Associate professor, Theoretical Physics Department, Taras Shevchenko National University of Kyiv

1997 - 1998             

Senior Research Fellow, Institute of Surface Chemistry, National Academy of Sciences of Ukraine; Associate professor (part time), Theoretical Physics department, Taras Shevchenko National University of Kyiv

1995 - 1997             

Research Fellow, Faculty of Mathematical Studies, University of Southampton, Southampton, United Kingdom

1986 - 1995             

Senior Research Fellow, Institute of Surface Chemistry, National Academy of Sciences of Ukraine; and Assistant professor (1987-1995, part-time), Taras Shevchenko National University of Kyiv, Kyiv, Ukraine

1982 - 1986             

Junior Research Fellow, Theoretical Physics Department, Taras Shevchenko National University of Kyiv, Kyiv Ukraine

b)     Education and educational qualifications

2002             Professor Diploma, Ministry of Education and Science of Ukraine

1998             Associate Professor Diploma, Ministry of Education and Science of Ukraine

1994             Doctor of Science Diploma (DSc.), Taras Shevchenko National University of Kyiv, Kyiv, Ukraine, thesis title: Orientational ordering and light induced phenomena in spatially bounded liquid crystals

1991             Senior Research Fellow Diploma, High Attestation, Committee at the Council of Ministers of USSR

1985             PhD., Taras Shevchenko National University of Kyiv, Kyiv, Ukraine, thesis title: Orientational ordering and impurity influence onto some optical properties of nematic liquid crystals (supervisor, Prof. I.P. Pinkevich:)

1975-1980    MSc.  Diploma with Honours, Taras Shevchenko National University of Kyiv, Kyiv, Ukraine

c)     Membership of Professional Societies and professional esteem

• Member of the Board of International Liquid Crystal Society (2010-14);

• Member of  Scientific Advisory Board of the Optics of Liquid Crystals (OLC) meetings;

• Member of American Physical Society

• Referee for INTAS (The International Association for the Promotion of Co-operation with Scientists from the New Independent States of the Former Soviet Union) projects;

• Referee for scientific journals (partial list: Advanced Materials, Advanced Functional Materials, Advances in Condensed Matter Physics, Applied Optics, Applied Physics B, Optical Materials Express, Optics Express, Optics Letters, Liquid Crystals, Molecular Crystals and Liquid Crystals, Philosophical Transactions, Journal of Physical Chemistry, The European Physical Journal, Nanoscale, Physical Review Letters, Physical Review, Journal of Polymer Research, Journal of Molecular Liquids, Science, Scientific Reports (Nature) and Ukrainian Physical Journal);

• Member of specialized council at Higher Attestation Committee of the Ukraine (2011-2012);

• Member of two specialized councils for Doctor Science degrees (Ukraine).

• Member of Scientific Council in Physics of the Ministry of Education and Science of Ukraine

• Member of the Editorial Board MDPI journal “Crystals”, section Liquid Crystals https://www.mdpi.com/journal/crystals/sectioneditors/liquid_crystals

• Associate Editor Optical Materials Express https://opg.optica.org/ome/journal/ome/about.cfm#board 

 d)     Extended period of work abroad outside Ukraine

April- May 2018

           Visiting Scientist, Università Politecnica delle Marche, Ancona, Italy  (Prof. Liana Lucchetti)

January-February 2018

            Visiting professor at university of Kassel (Germany)

February 2017

             Visiting professor at National Chiao Tung University, visit sponsored by Ministry of Science and Technology (MOST) of Taiwan

December 2015 – March 1, 2016

Visiting Scientist, Università Politecnica delle Marche, Ancona, Italy  (Prof. Francesco Simoni)

July-August 2004, October-November 2003:

Dept of Physics, Case Western Reserve University, Cleveland, Ohio, USA

(NATO Linkage Grant. Programs Grantee: Prof. Kenneth Singer)

September-October 2000, October-November 1999:

Dept of Physics, Case Western Reserve University, Cleveland, Ohio, USA

            (Visiting Professor, NRC Twinning program with Georgia, Romania, Ukraine)

June 1999, November - December 1997:

Institut fur Phys.Chemie, Martin-Luther-Universität, Halle-an-der-Saale, Germany

(Visiting Professor Invited by Prof. G. Pelzl.  Research partially supported by Deutsche Forschungsgemeinschaft)

February 1995 - February 1997,

Mathematical Studies, University of Southampton, United Kingdom.

(Research Fellow with Prof. T.J. Sluckin) 

e)     International grants with which I have been involved and my role:           

2016-2021        European Office of Aerospace Research & Development Grant (EOARD) “Photorefractivity

 In hybrid liquid crystal systems with tunable aligning layer”, PI/project manager

2015-2018       European Cooperation in Science and Technology (COST) Action MP1305:

“Flowing matter” management committee observer

2015-2016       European Office of Aerospace Research & Development Grant (EOARD) “Optical control of graphene plasmon using liquid crystal layer”,                                 PI/project manager

2015-2016       European Office of Aerospace Research & Development Grant (EOARD) “Photorefractive effect in hybrid liquid crystal systems with “soft”                                 aligning layer”, PI/project manager

2012-2016            European Cooperation in Science and Technology (COST) Action MP1205:

“Advances in Optofluidics: Integration of Optical Control and Photonics with Microfluidics” management committee observer

2012-2015           European Office of Aerospace Research & Development Grant (EOARD) #118007,  PI/project manager

2011-2014    FP7-PEOPLE-2010-IRSES Marie Curie Action “International Research Staff Exchange Scheme, Complex Liquids at Structured Surfaces, Ukrainian team PI

2009-2013        European Cooperation in Science and Technology (COST) Action MP0902: “Composites of Inorganic Nanotubes and Polymers” management committee member 

2011-2012      Federal Target Program “Scientific and pedagogical personnel of innovative Russia 2009-2013”, “The interaction of laser radiation with multi-frequency and hybrid semiconductor nanostructures for applications in the recording and processing of quantum information“, invited scientist/co-PI 

2009-2010      Joint Slovenia Ukraine Grant with Prof. I. Drevenšek-Olenik (Ljubljana),” Holographic patterning in liquid crystal - nanoparticle composites “, Ukrainian team PI

2008-2009       ECO-Net Grant for joint work between France-Armenia-Bulgaria-Ukraine, ECO-NET 2008 N° 18843TM,"Mémoire de surface et glissement de l'ancrage des cristaux liquides: mécanismes physiques et lien avec l'énergie de l'ancrage", Ukrainian team PI

2008-2009           U. S. Army International Technology Center-Atlantic (USAITC-A), “Ferromagnetic Liquid Crystal Nano – Suspension for Visualization of Magnetic Field “, theoretical team PI

2007-2013           European Office of Aerospace Research & Development Grant (EOARD), “Photorefractive effect in hybrid inhomogeneous liquid crystal cells“, PI/project manager

2006-2010    NATO Linkage grant (co-PI with Prof. T. J. Sluckin), “Electro-optics of heterogeneous liquid crystal systems“, Ukrainian team PI

2004-2006   Royal Society Joint Project Grant “Modelling the electro-optical properties of ferroelectric nematic liquid crystal suspensions” co-PI with Prof. T J Sluckin

2003-2004  NATO Collaborative Linkage Grant, “Photorefractivity in liquid crystals and their application for optical processing”, Ukrainian theoretical team PI

2002-2004    INTAS grant (EU) 2001-170, “Memory-free anchoring of liquid crystals photosensitive polymers“, co-PI/ Ukrainian theoretical team PI

1999-2000  Twinning Programme for Ukraine-USA, “Second harmonic generation study of liquid crystal monolayers adsorbed onto solid surfaces“, Ukrainian team PI

 2000-2002   INTAS grant (EU) 1999-312, “Electro- and magneto-optics of new composite liquid crystal systems” co-PI/Ukrainian team PI

1997-1999   CRDF (USA) UЕ1-315 “Photoalignment of nematic liquid crystals on polyimide polymers layers “, Ukrainian theoretical team PI

1997-1999  INTAS grant (EU) 1997-1315, “The structure and electro-optical properties of new heterogeneous liquid crystal systems for advanced optical applications“, co-Pi/Ukrainian team PI

f)      Recent invited presentations 

1. 2024 Rank Symposium on THz applications of liquid crystals (Ullswater, Penrith, UK)

2. 2024 28th International Liquid Crystal Conference (Rio de Janeiro, Brazil)

3. 2024 SPIE Photonics Europe (Strasbourg, France)

4. 2023 20th Topical Meeting on Optics of Liquid Crystals, Szczecin, Poland

5. 2023 16th  European Conference on Liquid Crystals, Rende, Italy

6. 2023    British Liquid Crystal Society Annual Meeting

7. 2022    28th International Liquid Crystal Conference, Lisbon, Portugal

8. 2022    Rank Prize Symposium, Liquid Crystal Technology for Light, Grasmere, UK

9. 2020 Photonics West, San Francisco, USA

10. 2019 17th International Topical Meeting on Optics of Liquid Crystals, Quebec, Canada

11. 2019  XV European Liquid Crystal Conference, Wroclaw, Poland

12. 2019  Photorefractive Photonics and Beyond, Gérardmer, France

13. 2018  “A Scientific Journey in the World of Liquid Crystals and Beyond” A Workshop to Celebrate Claudio Zannoni's 70th Birthday, Erice, Italy

14. 2018   XXII Conference on Liquid Crystals, Jastrzębia Góra, Poland

15. 2018   16th  Photorefractive Workshop sponsored by AFRL, Florida, USA

16. 2017    15th  Photorefractive Workshop sponsored by AFRL, Florida, USA

17. 2017    2nd Joint German British LC Conference, Wurzburg, Germany,

18. 2017    3rd Asian Conference on Liquid Crystals, Tainan, Taiwan

19. 2016    XXI Conference on Liquid Crystals, Krynica Zdroj, Poland

20. 2016    SPIE Organic Photonics + Electronics, San Diego, California, USA

21. 2016    14th  Photorefractive Workshop sponsored by AFRL, Florida, USA

22. 2015     13th  Photorefractive Workshop sponsored by AFRL, Georgia, USA

23. 2014     12th  Photorefractive Workshop sponsored by AFRL, Florida, USA

24. 2013     15th International Topical Meeting on Optics of Liquid Crystals, Honolulu, USA

Research results including patents, publications, teaching, etc

Statistics:

More than 280 papers in refereed scientific journals (Appl Phys Lett, Japanese J. App. Phys, JETP Letts,  Optics Express, Optics Letters , Phys Rev, Phys Rev Lett, Scientific Reports, Soft Matter, etc.), in Russian and English. 12 patents

2 books (one in Ukrainian, one in English)

Google Scholar h-index (February 2025) =40 over 6150 citations 

h-index Web of Science (February 2025) =33

Teaching at undergraduate and postgraduate level; Thesis supervision of 2 DSc and 6 PhD students.

Selected Patents 

1.     “Nanoparticle Doped Hybrid Photorefractives,” Gary Cook and Dean R. Evans, Anatoliy Gluschenko, Victor Yu Reshetnyak, US Patent Number 8,018,648 Sept. 13, 2011.

2.     “Harvesting Single Domain Nanoparticles and Their Applications,” Gary Cook, Dean R. Evans, Sergey A. Basun, Victor Yu Reshetnyak, US Patent No. 8,658,056 Feb. 25, 2014.

3.     “Dynamic Optical and RF Devices Based on Structured Plasmonics and Liquid Crystal Hybrids,” Victor Yu Reshetnyak and Dean R. Evans, US Patent Number 16/117,488, Aug. 30, 2019. https://patentscope.wipo.int/search/en/detail.jsf?docId=US276462685&docAn=16117488

I’m a co-inventor of the photo-aligning technique, see V.G. Chigrinov; V.M. Kozenkov, V.Y. Reshetnyak, Yu.A. Reznikov, M. Schadt, K. Schmitt; Liquid crystal display cell. Patent Number: EP0525478 Publication date: 1993­02­03 https://patents.google.com/patent/EP0525478A2/en

Currently the photo-aligning technique is widely used in Liquid Crystal Displays and other liquid crystal based devices.

 Prize

National Academy of Sciences of Ukraine A.F. Prihot’ko prize for 2012. Prize citation: “For studies of the physical background and applied aspects of liquid crystals photo-orientation”.

G.W. Gray medal from the British Liquid Crystal Society (2023) 

The International Commission for Optics  Galileo Galilei Medal (2024)

Teaching

Course on ordinary differential equation and calculus of variations, analytic geometry and linear algebra, analysis (1st and 2nd year students);

Course on classical mechanics, classical electrodynamics (2nd and 3rd year students);

Course on introduction to theory of liquid crystals, Pade approximations, fractional derivatives, Lie groups and differential equations (4th year students);

Course on problems solved in 20th century (2nd year Master students)

 Summary of my main results

• Adaptive LC lenses. Theoretical modelling of the lens focal length dependence on the applied electric field for different lens geometries and driving schemes; 

• LCs filled with nano-and micro-particles. Estimated the phase transition temperature shift and order parameter change due to the particles presence. Electro- magneto-optics of LCs filled with ferroic particles. Threshold electric/magnetic field and refractive index dependence on the field strength;

• Surface, localized and Tamm plasmons. Theoretical modelling of tuning and controlling these plasmons by using liquid crystals;

• Tuning antennae array absorption, reflection and transmission in THz and GHz. Modelling nano- and micro-antennae array A,R,T under external stimuli.

• Metamaterials, cloaking, plasmonics. Controlling and tuning metamaterials with help of liquid crystals. These include 2D patterned (e.g. nanoribbons) materials like graphene, MoS2, black phosphorus.

• Ferroelectric core-shell nanoparticles. Theoretical study of electric field control of domain structure in ferroelectric nanoparticles using tunable shells. Modelling of tuning of 3D vortex states in core-shell ferroelectric nanoparticles;

• Photoalignment of LCs. Theoretical modelling of photo-induced change in liquid crystal director anchoring and pretilt angle onto photosensitive aligning surfaces;

• Surface phenomena and anchoring effects in liquid crystals. Theoretical modelling of director finite anchoring effects onto light scattering in LCs;

• Photorefractive effect in liquid crystals. Theoretical modelling of photorefractive effect and two beam coupling in LC filled with ferroelectric nanoparticles, LC placed between two photo-conducting surfaces. Gain coefficient is calculated and compared with the experimental results;

• Polymer dispersed liquid crystals (PDLC). Effective dielectric function and light scattering cross sections are calculated in PDLC. Ultrasound interaction with PDLC droplets;

• Linear and nonlinear optics of liquid crystals (including conformational nonlinearity). Theoretical modelling of LC refractive index change and phase transition temperature shift due to photo-induced change in the conformation of LC molecules

My kids (2001)                                                                        2011                                                                        2017

Black

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