FACULTIES AND INSTITUTES
 

Institute for Scientific Research

Dr. Raimundas Sereika

contacts

Address Studentu str. 39, room L126
Phone +370 5 279 00 43
Internal telephone no. 1 275
Fax +370 5 273 48 57
E-mail raimundas.sereika@leu.lt
Education and occupation

2002–2006 Vilnius Pedagogical University, Faculty of Physics and Technology.

Physics and Information Technology – Bachelor (gained physics teachers qualification).
2006–2008 Vilnius Pedagogical University, Faculty of Physics and Technology. Physics and Astrophysics – Master.
20082012 PhD studies (Condensed Matter Physics).

Scientific degrees and titles

2013 Doctor of Physics, Vilnius University (prepared in Lithuanian University of Educational Sciences)

Professional experience

2005–2006 Physics teacher at Vilnius “Gabija” Gymnasium.
2006–2008 Informatics teacher at Vilnius “Versmė” Secondary School.
2006–2013 Laboratory assistant at Faculty of Physics and Technology, Lithuanian University of Educational Sciences.
From 2011 Lecturer, Department of Physics and Chemistry, Lithuanian University of Educational Sciences.

From 2013 Senior researcher, Institute for Scientific Research, Lithuanian University of Educational Sciences.

Foreign languages known

English and Russian.

Other activities

Repair of personal computers and many other electronic devices. Work with database, statistic data collection, processing and programming. Engage in the design and layout work. Work with audio and MIDI devices. I’m interested in physics and computer science. In my spare time I create websites, programs, and music. I also like sports.

Delivered subjects

  • Undergraduate studies
  • Electricity;

    Optics;

    Semiconductor Physics.

  • Master studies
  • Applied Optics;

    Laboratory Experiment in Modern Physics.

    Research activities

  • Research areas
  • 1) Electronic structure, optical and electrical properties, vibrational spectra and electronic structure, phase transitions of semiconductors-ferroelectrics.

    2) Synthesis and chemical composition study of transition metal oxides and metal-bioorganic structures using X-ray photoelectron spectroscopy and ab-initio methods.

  • Scientific publications
  • Publications in refereed Institute for Scientific Information (ISI) database.

    1. A. Audzijonis, R. Sereika, L. Žigas, R. Žaltauskas, Dielectric and electrical properties of SbSI and SbSeI single crystals in the region of antiferroelectric phase transition, Journal of Physics and Chemistry of Solids. ISSN 0022-3697. Vol. 83 (2015), p. 117-120.
    2. R. Sereika, V. Bondarenka, R. Rimeika, A. Sereika, D. Čiplys, Impact of humidity on surface acoustic wave propagation in vanadium pentoxide xerogel - lithium niobate structure, Japanese Journal of Applied Physics. ISSN 0021-4922. Vol. 53, no. 11 (2014), p. 118004.
    3. V. Bondarenka, V. Jasulaitienė, R. Sereika, A. Stirkė, Sol–gel synthesis and XPS study of vanadium pentoxide xerogels intercalated with glucose, Journal of Sol-Gel Science and Technology. ISSN 0928-0707. Vol. 71, Iss. 3 (2014), p. 385-390.
    4. E. Baškys, V. Bondarenka, S. Grebinskij, M. Senulis, R. Sereika, XPS study of sol-gel produced lanthanum oxide thin films, Lithuanian Journal of Physics. ISSN 1648-8504. Vol. 54, no. 2 (2014), p. 120-124.
    5. A. Audzijonis, R. Sereika, On the heat capacities of SbSI and SbSBr, Ferroelectric Letters. ISSN 0731-5171. Vol. 41 (2014), p. 51-55.
    6. A. Audzijonis, L. Žigas, R. Sereika, R. Žaltauskas, Origin of ferroelectric phase transition in SbSClxI1-x mixed crystals, International Journal of Modern Physics B. ISSN 0217-9792. Vol. 28, no. 2 (2014), p. 1450209.
    7. A. Audzijonis, L. Žigas, R. Žaltauskas, R. Sereika, Reflection and vibrational spectra of SbSCl(0.1)I(0.9) crystals in the ferroelectric phase-transition region, Journal of physics and chemistry of solids. ISSN 0022-3697. Vol. 75, iss. 2 (2014), p. 194-197.
    8. A. Audzijonis, R. Sereika, The thermodynamic functions of ferroelectric and paraelectric SbSI, Phase transitions: a multinational journal. ISSN 0141-1594. Vol. 87, iss. 5 (2014), p. 509-514.
    9. A. Audzijonis, R. Sereika, Electronic structure and electron charge density in the interatomic bonds of BiSBr and BiSeBr crystals, International Journal of Modern Physics B. ISSN 0217-9792. Vol. 27, no. 23 (2013), p. 1350122.
    10. A. Audzijonis, R. Sereika, R. Žaltauskas, Birefringence and refractive indices of ferroelectric SbSI, Phase transitions: a multinational journal. ISSN 0141-1594. Vol. 85, iss. 6 (2012), p. 542-552.
    11. A. Audzijonis, L. Žigas, R. Sereika, A. Kvedaravičius, The nature of the ferroelectric phase transition in the modified SbSI ceramics, Ferroelectrics. ISSN 0015-0193. Vol. 425, iss. 1 (2011), p. 45-53.
    12. A. Audzijonis, R. Sereika, R. Žaltauskas, A. Rėza, Optical properties of BiSBr and BiSeBr crystals, Journal of Physics and Chemistry of Solids, ISSN 0022-3697. Vol. 72, iss. 12 (2011), p. 1501-1505.
    13. A. Audzijonis, R. Sereika, L. Žigas, R. Žaltauskas, A. Kvedaravičius, Lattice dynamics of ferroelectric SbSBr crystal, Ferroelectrics. ISSN 0015-0193. Vol. 413 (2011), p. 434-442.
    14. A. Audzijonis, L. Žigas, A. Kvedaravičius, R. Sereika, R. Žaltauskas, A. Čerškus, Investigation of vibration spectrum ferroelectric semiconductor SbSBr nanowire, Physica B : Condensed Matter. ISSN 0921-4526. Vol. 405, iss. 17 (2010), p. 3599-3604.
    15. A. Audzijonis, L. Žigas, G. Gaigalas, R. Sereika, B. Žygaitienė, Density functional calculation of the photoelectron emission spectra of BiSCl crystal and molecular clusters, Journal of cluster science. ISSN 1040-7278. Vol., iss. (2010), p. 1-13.
    16. A. Audzijonis, R. Sereika, The thermodynamic functions of SbSBr crystal, Phase transitions: a multinational journal. ISSN 0141-1594. Vol. 83, iss. 5 (2010), p. 389-395.
    17. A. Audzijonis, R. Žaltauskas, R. Sereika, L. Žigas, A. Rėza, Electronic structure and optical properties of BiSI crystal, Journal of Physics and Chemistry of Solids. ISSN 0022-3697. Vol. 71, iss. 6 (2010), p. 884-891.
    18. A. Audzijonis, R. Sereika, R. Žaltauskas, L. Žigas, Optical spectra of bismuth sulfochloride crystals, Physica status solidi. B, Basic solid state physics. ISSN 0370-1972. Vol. 247, no. 1 (2010), p. 176-181.
    19. A. Audzijonis, G. Gaigalas, L. Žigas, R. Sereika, R. Žaltauskas, D. Balnionis, A. Rėza, Electronic structure and optical properties of BiSeI crystal, Physica status solidi. B, Basic solid state physics. ISSN 0370-1972. Vol. 246, no. 7 (2009), p. 1702-1708.
    20. A. Audzijonis, R. Sereika, R. Žaltauskas, Antiferroelectric phase transition in SbSI and SbSeI crystals, Solid State Communications. ISSN 0038-1098. Vol. 147, no. 3/4 (2008), p. 88-89.
    21. A. Audzijonis, G. Gaigalas, L. Žigas, R. Sereika, A. Čerškus, A. Pauliukas, R. Žaltauskas, Investigation of the Vibrational Spectra of a SbSI(Sb2S3)0.15 Crystals in Harmonic and Anharmonic Approximations, Ferroelectrics. ISSN 0015-0193. Vol. 377 (2008), p. 22-35.
    22. A. Audzijonis, L. Žigas, R. Žaltauskas, R. Sereika, A. Pauliukas, Origin of the optical anomalies near the ferroelectric phase transition in SbSI and SbSBr crystals, Ferroelectric Letters. ISSN 0731-5171. Vol. 35 (2008), p. 51-61.
    23. A. Audzijonis, A. Rėza, R. Žaltauskas, L. Žigas, R. Sereika, C. Paškevič, A. Pauliukas, Spectroscopic ellipsometry studies of ferroelectric SbSexS1-xI crystals, Ferroelectrics. ISSN 0015-0193. Vol. 366 (2008), p. 45-54.
    24. P. Pipinys, R. Sereika, Comment on ‘Conductivity of single Mo6S9−xIx molecular nanowire bundles’, Nanotechnology. ISSN 0957-4484. Vol. 18, iss. 50 (2007). p. 508001-508002.
    25. A. Audzijonis, R. Sereika, V. Lapeika, R. Žaltauskas, Current mechanism in SbSeI crystals based on phonon-assisted tunnelling emission, Physica status solidi. B, Basic solid state physics. ISSN 0370-1972. Vol. 244, no. 9 (2007), p. 3260-3264.
    26. P. Pipinys, A. Audzijonis, R. Sereika, R. Žaltauskas, V. Lapeika, Current Mechanism in SbS1 - xSexI Crystals, Ferroelectrics. ISSN 0015-0193. Vol. 350 (2007), p. 111-117.

    Further research journals

    1. P. Pipinys, A. Rimeika, R. Sereika, Phonon-assisted tunneling theories applied to electronic conduction in nanowires of inorganic compounds, Physics, chemistry and application of nanostructures: reviews and short notes: proceedings of the international conference on nanomeeting 2009: [May 26-29, 2009, Minsk, Belarus]. ISBN 9789814280358. P. 48-51.
    2. A. Audzijonis, G. Gaigalas, L. Žigas, R. Sereika, R. Žaltauskas, A. Rėza, Optical properties of BiSeI crystals, ISI Proceedings. Radiation interaction with material and its use in technologies 2008: international conference: Kaunas, Lithuania 24-27 September. ISSN 1822-508X p. 258-262.

    Project activities

  • Projects of EU Structural Funds
  • Postdoctoral Fellowship by the European Union Structural Funds project "Postdoctoral Fellowship Implementation in Lithuania" within the framework of the Measure for Enhancing Mobility of Scholars and Other Researchers and the Promotion of Student Research (VP1-3.1-ŠMM-01) of the Program of Human Resources Development Action Plan.

    Applied research activities

  • Scientific conferences, seminars
  • CONFERENCES

    1. R. Sereika, V. Bondarenka, An ab-initio study of the half-metallic antiferromagnetic NaV2O4, 3rd International Conference on Advanced Materials Modelling: France, Nantes, 7-9 July, 2014, p. 156-157.

    2. R. Sereika, V. Bondarenka, S. Kačiulis, A. Mezzi, Chemical composition study of vanadium pentoxide xerogels doped by bovine albumin, 4th International Colloids Conference: Surface Design & Engineering: Spain, Madrid, 15-18 June, 2014, P2.66.

    3. A. Audzijonis, R. Sereika, L. Žigas, R. Žaltauskas, Electron charge density investigation in the interatomic bonds of BiSBr and BiSeBr crystals, 40-oji Lietuvos nacionalinė fizikos konferencija: programa ir pranešimų tezės, 2013 m. birželio 10-12 d., Vilnius. ISBN 9786094592102 P. 40.
    4. A. Audzijonis, L. Žigas, R. Žaltauskas, R. Sereika, A. Kvedaravičius, V. Šiaudvytis, Investigation of the optical properties of SbSeBr, 39-oji Lietuvos nacionalinė fizikos konferencija: programa ir pranešimų tezės, 2011 m. spalio 6-8 d., Vilnius. ISBN 9789955634645 P. 40.
    5. R. Sereika, A. Audzijonis, R. Žaltauskas, L. Žigas, Phonon dispersion of SbSBr crystal, 3rd Workshop on ab-initio phonon calculations: [Poland], Cracow, 2-4 December, 2010, p. 36.
    6. A. Audzijonis, L. Žigas, R. Sereika, R. Žaltauskas, A. Kvedaravičius, Photoelectron emission spectra of BiSCl crystal and molecular cluster, Radiation interaction with material and its use in technologies 2010: 3rd international conference: Kaunas, Lithuania 20-23 September: program and materials. ISSN 1822-508X p. 122-124.
    7. R. Sereika, A. Budinavičius, S. Garunkštis, First principles density functional calculations of electronic structure and optical properties in BiSBr and BiSeBr crystals, Laisvieji skaitymai 2010: 53rd scientific conference for young students of physics and natural sciences: programme and abstracts [2010 March 24-27, 2010, Vilnius, Lithuania] P. 51-52.
    8. A. Audzijonis, R. Sereika, R. Žaltauskas, A. Rėza, Optinės BiSI kristalo savybės (Optical properties of the BiSI crystal), 38-oji Lietuvos nacionalinė fizikos konferencija: programa ir pranešimų tezės, 2009 m. birželio 8-10 d., Vilnius. ISBN 9789955334477 P. 244.
    9. A. Audzijonis, G. Gaigalas, R. Sereika, L. Žigas, R. Žaltauskas, Electronic structure of the BiSI crystal, 38-oji Lietuvos nacionalinė fizikos konferencija: programa ir pranešimų tezės, 2009 m. birželio 8-10 d., Vilnius. ISBN 9789955334477 P. 44.
    10. R. Sereika, Elektron-fononinės sąveikos temperatūrinė priklausomybė paraelektriniuose ir feroelektriniuose puslaidininkiuose, Laisvieji skaitymai 2008: 51- oji mokslinė konferencija, Vilnius, 2008 m. balandžio 4 d. p. 93-95.
    11. A. Audzijonis, G. Gaigalas, L. Žigas, R. Sereika, A. Čerškus, A. Pauliukas, R. Žaltauskas, Ab initio investigation of the vibrational spectra of a SbSI(Sb2S3)0.15 crystals in harmonic approximation, 2nd Workshop on ab-initio phonon calculations : [Poland], Cracow, 6-8 December, 2007, p. 62.
    12. R. Sereika, A. Audzijonis, Electron-phonon interaction in BiSeI and BiSI crystals, 12th International Conference on Phonon Scattering in Condensed Matter: [Paris, France, July 15-20, 2007]. Paris: Institut des Nanosciences de Paris, 2007, p. 141-142.
    13. R. Sereika, Current mechanism in SbSeI crystals based on phonon-assisted tunneling emission, Laisvieji skaitymai 2007: 50th scientific conference for young students of physics and natural sciences, Vilnius, 13 April, 2007. Vilnius : Vilnius University. Faculty of Physics, 2007, p. 41-42.
    14. A. Audzijonis, G. Gaigalas, L. Žigas, R. Žaltauskas, A. Pauliukas, A. Čerškus, A. Kvedaravičius, R. Sereika, Teorinis BiSeI molekulinio klasterio valentinių juostų PES tyrimas, 37-oji Lietuvos nacionalinė fizikos konferencija: programa ir pranešimų tezės, 2007 m. birželio 11-13 d., Vilnius. ISBN 978-9955-33-030-1. Vilnius: Vilniaus universitetas, 2007, p. 218.
    15. A. Audzijonis, C. Klingshirn, L. Žigas, A. Pauliukas, R. Žaltauskas, A. Čerškus, A. Kvedaravičius, R. Sereika, Investigation of the vibrational spectrum of SbSeI crystals, Radiation interaction with material and its use in technologies 2006: International conference, Kaunas, Lithuania, 28-30 September, 2006: program and materials. ISSN 1822-508X. Kaunas. 2006, p. 202-207.
  • Research visits, qualification development courses
  • 2005 ECDL (European Computer Driving Licence), 7 modules. Public Institution “Information Technology Institute”.
    2006 Training organization for different learning style students. Ministry of Education and Science, the Education Development Center.
    2007 Pupils with special needs in mainstream school education. Teacher Professional Development Center.

    2010 Clerical work, Project Development and Management. Vilnius Pedagogical University (Lithuanian University of Educational Sciences).

    2014-01/02 Research Fellowship, Institute for Nanostructured Materials – ISMN, CNR.

    2014-12 Research Fellowship, Institute for Nanostructured Materials – ISMN, CNR.

  • Work in national and international programmes
  • Since 2010 Member of the commission for the Lithuanian Pupil Physics Olympiad.

    Educational and science dissemination activities

  • Popular science and didactic publications
  • R. Sereika, Metalų-bioorganinės struktūros – perspektyvi dirva naujoms idėjoms. Technologijos.lt [elektroninis išteklius]: interneto portalas. (2015-03-17) (in Lithuanian).
    R. Sereika, Zolių-gelių metodas – nesudėtingas ir patogus būdas įvairioms medžiagoms gauti. Technologijos.lt [elektroninis išteklius]: interneto portalas. (2014-08-12) (in Lithuanian).