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Algirdas Mekys
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Institute of Theoretical Physics and Astronomy of Vilnius University,
A.Goštauto 12, 01108 Vilnius, Lithuania
Vilnius University, Semiconductor Physics Departament
Sauletekio 9-III, 10222 Vilnius, Lithuania
Vilnius University Institute of Applied Research
Sauletekio 9-III, 10222 Vilnius, Lithuania

Short information

Name: Algirdas
Surname: Mekys
Date of birth and place: 1978 november 12, Vilnius, Lithuania.
Email: algirdas.mekys(*)ff.vu.lt

I am scientific researcher at the Department of the Theory of Processes and Structures in the Institute of Theoretical Physics and Astronomy of Vilnius University. Currently I am working in the Quantum Optics group headed by Habil. Dr. Gediminas Juzeliunas.
Also I am a lector in Vilnius University, Physics Faculty and scientific researcher at Vilnius University Institute of Applied Research.

Education:

1997 Graduated Viršuliškiu secondary school in Vilnius.
1997-2001: Bachelor studies at the Faculty of Physics, Vilnius University. Completed with the work “Hall voltage and electrical conductivity relaxations in GaAs and Si crystals after soft X-rays irradiation”, supervisor: prof. J. Storasta.
2001-2003: Master studies at the Faculty of Physics, Vilnius University. In 2001 studies at Linkoping University with Erasmus stipendy.
Completed with the work “Investigation of defect behaviour by Hall technique in GaAs and Si crystals after soft X-rays irradiation”, supervisor: prof. J. Storasta. Gained “Cum Laude” master diploma on material research and semiconductor physics program.
2003-2007: PhD studies at the Faculty of Physics, Vilnius University.
2008.02.12: PhD in technology science, at Vilnius University. Completed with the work "Defects and their reactions in materials used for ionizing radiation detectors fabrication" Supervisor prof. J. Storasta

Scientific experience:

1998-2003: Engineer at the Institute of Materials Science and Applied Research, Vilnius University.
2003-2008: Junior scientific researcher at the Institute of Materials Science and Applied Research, Vilnius University.
2007-:Lector at Vilnius University
2008-2010:Postdoctoral Researcher, ITPA of Vilnius University
2010- scientific researcher at the Institute of Applied Research.
2010-2011 senior scientific researcher at the Institute of Theoretical Physics and Astronomy (project MIP-123).
2011- scientific researcher at the Institute of Theoretical Physics and Astronomy.

Fields of interest:

Quantum and nonlinear optics, radiation defects in semiconductors, materials engineering, material characterisation methods and growth techniques.
Algirdas Mekys is co-author of 13 ISI publications and more than 30 international conference thesis.

Publications:

ISI scientific papers:
  1. J. Ruseckas, A. Mekys, and G. Juzeliunas, Optical vortices of slow light using a tripod scheme, J. Opt. 13, 064013 (2011)
  2. J. Ruseckas, A. Mekys, G. Juzeliunas. Slow polaritons with orbital angular momentum in atomic gases. Phys. Rev. A 83, 023812 (2011)
  3. J. Ruseckas, A. Mekys, G. Juzeliunas. Manipulation of Slow Light With Orbital Angular Momentum in Cold Atomic Gases. Optics and Spectroscopy, Vol 108, No 3, pp.444-451 (2010)
  4. A. J. Janavicius, R. Purlys, A. Bulksas, S. Balakauskas, A. Mekys and V. Sablinskas. Investigation and Generation of Vacancies in Alpha Quartz by Soft X-Rays. Acta Physica Polonica A, Vol 116, No 6, pp.1076- (2009)
  5. A. Mekys, J. Storasta, A. P. Smilga, J. Ceponkus, R. Bariseviciute, V. Sablinskas, V. Kalendra, V. Kazukauskas. GaAs Thermal Treatment With Fullerenes. Mat Sci Semicond Process (2008),doi:10.1016/j.mssp.2008.11.002
  6. A. Mekys, J. Storasta, A. Zindulis, A. P. Smilga and S. Balakauskas. Hall Mobility Field Effect in Two Layer Conductivity Samples. ACTA PHYSICA POLONICA A, Vol. 114, No. 4, pp. 903-912 (2008)
  7. A. J. Janavicius, S. Balakauskas, V. Kazlauskiene, A. Mekys, R. Purlys and J. Storasta. Superdiffusion in Si Crystal Lattice Irradiated by Soft X-Rays. ACTA PHYSICA POLONICA A, Vol. 114, No. 4, pp. 779-790 (2008)
  8. K. Neimontas, R. Vasiliauskas, A. Mekys, J. Storasta, and K. Jarasiunas. CHARACTERIZATION OF ELECTRIC PROPERTIES OF SiC CRYSTALS BY OPTICAL AND ELECTRICAL MEANS. Lithuanian Journal of Physics, Vol. 48, No. 1, pp. 79-84 (2008)
  9. J. Požela, K. Požela, V. Juciene, S. Balakauskas, V. Evtikhiev, A. Scholnik, J. Storasta, A. Mekys. Enhancement of electron mobility in AlGaAs/GaAs/AlGaAs double barrier heterostructure by inserting thin InAs phonon barriers into GaAs quantum well. Semiconductors vol 41, iss. 12. (2007)
  10. Z. Bougrioua, M. Azize, P.Gibart, T. Malinauskas, K. Neimontas, A. Mekys, J. Storasta, K. Jarašiunas. Photoelectric properties of highly excited GaN:Fe epilayers, grown by modulation- and continously-doping techniques. Journal of Crystal Growth. 300 (2007) 228-232.
  11. A. J. Janavicius, J. Storasta, R. Purlys, A. Mekys, S. Balakauskas, Z. Norgela. Crystal Lattice and Carriers Hall Mobility Relaxation Processes in Si Crystal Irradiated by Soft X-rays. ACTA PHYSICA POLONICA A Vol. 112 No. 1 (2007).
  12. J. Vaitkus, J. Banys, V. Gostilo, S. Zatoloka, A. Mekys, J. Storasta, A. Žindulis. Influence of electronic and ionic processes on electrical properties of TlBr crystals. Nuclear Inst. and Methods in Physics Research, A, v. 546, iss. 1-2, p. 188-191. (2005)
  13. J. Vaitkus, V. Gostilo, R. Jasinskaite, A. Mekys, A. Owens, S. Zatoloka, A. Zindulis. Investigation of degradation of electrical and photoelectrical properties in TlBr crystals Nuclear Inst. and Methods in Physics Research, A, Vol 531, 192-196p. (2004)

Other papers:
  1. P. Scajev, A. Mekys, P. Malinovskis, J. Storasta, M. Kato, and K. Jarasiunas. Electrical parameters of bulk 3C-SiC crystals determined by Hall effect, magnetoresistivity, and contactless time-resolved optical techniques. Materials Science Forum Vols. 679-680 (2011) pp 157-160. doi:10.4028/www.scientific.net/MSF.679-680.157
  2. A. Aulas, S. Balakauskas, A. Mekys, J. Storasta. Influence of the Thermoprocesses on the Properties of Shungite. Electronics and Electrical Engineering. Kaunas: Technologija, 2003. - No. 7(49) - P. 40-43.


Conference abstracts:
  1. S. Vaitekonis, P. Malinovskis, A. Mekys, E. Dvinelis, J. Storasta, R. Purlys, A.J. Janavicius. Kvarcinio rezonatoriaus panaudojimas minkstuju Rentgeno spinduliu dozimetrijoje. 39-oji Lietuvos nacionaline fizikos konferencija, Vilnius 2011.
  2. J. Vaitkus, E. Gaubas, E. Zasinas, R. Bondzinskas, A. Mekys, J. Storasta, G. Mockevicius, N. Vainorius. Defektu transformacijos ir ju roles jonizuojancia spinduliuote apsvitintuose Si monokristaluose. 39-oji Lietuvos nacionaline fizikos konferencija, Vilnius 2011.
  3. J. Ruseckas, G. Juzeliūnas, A. Mekys. Elektroninis pralaidumas per grafeno – bigrafeno barjerine sandura. 39-oji Lietuvos nacionaline fizikos konferencija, Vilnius 2011.
  4. P. Malinovskis, A. Mekys, E. Dvinelis, V. Rumbauskas, J. Storasta, R. Vasiliauskas. Magnetovarzinio efekto pasireiskimas 3C-SiC defektuotuose kristaluose. 39-oji Lietuvos nacionaline fizikos konferencija, Vilnius 2011.
  5. J. Ruseckas, A. Mekys, G. Juzeliunas, I.V. Zozoulenko. Electronic Transmission and Reflection at Single and Double Graphene Junction. Advanced Materials and Technologies, The 13-th International Conference-School, Palanga 2011.
  6. A.J. Janavicius, M. Viliunas, R. Purlys, A. Mekys, S. Vaitekonis, P. Malinovskis. Changes of Resonance Frequencies of Quartz by X-Rays Irradiation. Advanced Materials and Technologies, The 13-th International Conference-School, Palanga 2011.
  7. A. Mekys, J. Ruseckas, G. Juzeliunas. Optical vortices of slow light using tripod scheme. 75th Annual Meeting of the DPG and DPG Spring Meeting, Dresden, 13th-18th of March 2011.
  8. J. Ruseckas, A. Mekys, V. Kudriasov and G. Juzeliunas. Slow and Stationary Light with Optical Vortices in Quantum Gases. Alexander von Humboldt Forum "Science & Society in Modern Europe" Dedicated to Millenium of Lithuania and 50 Years of the Laser, Vilnius, 2010 Lithuania.
  9. P.Malinovskis, A.Mekys, J.Storasta, J.V.Vaitkus. Development of the method for measurement time resolved photoconductivity and photo-Hall effect in semiconductors at laser excitation. Alexander von Humboldt Forum "Science & Society in Modern Europe" Dedicated to Millenium of Lithuania and 50 Years of the Laser, Vilnius, 2010 Lithuania.
  10. P. Malinovskis, A. Mekys, J. Storasta. Defects Reactions in Irradiated CdTe Crystals. The 12-th International Conference "Advanced Materials and Technologies", Palanga, 2010.
  11. A. Mekys, V. Kudriasov, J. Ruseckas, G. Juzeliunas. Manipulation of Slow Light with Optical Vortices in Quantum Gases. The 12-th International Conference "Advanced Materials and Technologies", Palanga, 2010.
  12. G. Juzeliunas, A. Mekys, J. Ruseckas. Transfer of orbital angular momentum between slow light and cold atoms. Bose-Einstein Condensation 2009 Sant Feliu de Guixols (Costa Brava) Spain.
  13. G. Juzeliunas, A. Mekys, J. Ruseckas. Surface polaritons in metamaterials. 11th International Conference-School "Advanced Materials and Technologies". Palanga 2009, Lithuania.
  14. A. Mekys, J. Ruseckas, G. Juzeliunas. Orbitini judesio kiekio momenta turincios letos sviesos valdymas saltu atomu dujose. 38-oji Lietuvos nacionaline fizikos konferencija, Vilnius 2009. Programa ir pranesimu tezes, 234p.
  15. A. Mekys, J. Ruseckas, G. Juzeliunas. Sviesos lokalizacija metamedziagose. 38-oji Lietuvos nacionaline fizikos konferencija, Vilnius 2009. Programa ir pranesimu tezes, 235p.
  16. A. J. Janavicius, J. Storasta, S. Balakauskas, V. Kazlauskiene, A. Mekys, R. Purlys. Superdifuzija Si kristale apspinduliuotame minkstaja Rentgeno spinduliuote. 38-oji Lietuvos nacionaline fizikos konferencija, Vilnius 2009. Programa ir pranesimu tezes, 91p.
  17. A. Mekys, J. Ruseckas, G. Juzeliunas. Manipulation of slow light with orbital angular momentum in atomic gases. XII International Conference on Quantum Optics and Quantum Information, September 20-23, 2008, Vilnius
  18. G. Juzeliunas, A. Mekys. J. Ruseckas. Slow light with OAM in atomic gases. Advanced Materials and Technologies and Third Summer School of the European Doctorate in Physics and Chemistry of Advanced Materials. Palanga, 2008.
  19. J.Vaitkus, A.Mekys, J.Storasta,E.Zasinas. The influence of annealing on the inhomogeneity of irradiated Si by means of Hall and magnetoresistance effects. WODEAN Workshop, Hamburg, 2008.04.17-19.
  20. J. Vaitkus, E. Gaubas, A. Kadys, V. Kalendra, V. Kazukauskas, A. Mekys, J. Storasta, E. Zasinas. The steady and transient photoconductivity, and related phenomena in the neutron irradiated Si. WODEAN-Workshop on Defect Analysis in irradiated silicon detectors. 2-3 June, 2007, Vilnius.
  21. J.Vaitkus, A.Mekys, J.Storasta. Analysis of microinhomogeneity of irradiated Si by Hall and magnetoresistance effects. 10th RD50 Workshop on Radiation hard semiconductor devices for very high luminosity colliders. Vilnius, 2007.
  22. A. Mekys, J. Storasta, J. Banys, R. Purlys, V. Šablinskas. Carrier mobility flash in silicon after X-ray treatment and related phenomena. Lithuanian National Physcis Conference 37, Vilnius, 2007.
  23. R. Vasiliauskas, K. Neimontas, A. Mekys, T. Malinauskas, K. Jarašiunas, J. Storasta, R. Yakimova. Optical nonlinearity dynamics in highly excited SiC crystals. Lithuanian National Physics Conference 37, Vilnius, 2007.
  24. A. Mekys, J. Storasta, Algirdas P. Smilga, J. Banys, V. Šablinskas, A. Žindulis, J.V. Vaitkus. C60 solid film interaction with TlBr crystal. Lithuanian National Physics Conference 37, Vilnius, 2007.
  25. Janavicius A. J., Purlys R., Norgela Ž., Balakauskas S., Mekys A. Relaxation processes in Ge crystal irraiated by soft X-rays // Advanced materials and technologies : book of abstracts of the 9-th international summer school-conference, Palanga, Lithuania, 27-31 August 2007. Kaunas. p. 100-101.
  26. Z. Bougrioua, M. Azize, P.Gibart, T. Malinauskas, K. Neimontas, A. Mekys, J. Storasta, K. Jarašiunas. Photoelectric properties of highly excited GaN:Fe epilayers, grown by modulation- and continously-doping techniques. First International Symposium on Growth of III-Nitrides, Linkoping, Sweden, June 4 - 7, 2006.
  27. A.J. Janavicius, R. Purlys, A. Mekys, S. Balakauskas. Lattice Relaxation in Si crystal Irradiated by Soft X-rays. The 8-th internatonal Conference-School Avanced Materials And Technologies. Palanga 2006.
  28. A. Mekys, A. P. Smilga, J. Ceponkus, R. Bariseviciute, V. Šablinskas, J. Storasta. GaAs Thermal Treatment With Fullerenes. Specialized Colloque AMPERE and Alexaner von Humboldt Workshop: Avanced Materials as Studied by Spectroscopic and Diffraction Techniques. Vilnius, September 16-21, 2006.
  29. R. Vasiliauskas, A. Mekys, J. Storasta. Fractal Structures Growth Inside a Host Material. Specialized Colloque AMPERE and Alexaner von Humboldt Workshop: Avanced Materials as Studied by Spectroscopic and Diffraction Techniques. Vilnius, September 16-21, 2006.
  30. A. Mekys, S. Balakauskas, A. Žindulis, J. Storasta. External Electric field dependent Hall mobility in inhomogeneous and insulating materials. 36th Lithuanian National Physics Conference, Vilnius 2005
  31. R. Vasiliauskas, A. Mekys, J. Storasta. Fractal structure formation in variuous materials and electric current oscillations. 36th Lithuanian National Physics Conference, Vilnius 2005
  32. J.Vaitkus, E.Gaubas, V.Kazukauskas, V.Kalendra, J.Storasta, A.Mekys, A.Blue, J.Grant. Defects and deep centres in the irradiated GaN and the results of last tests. 7th RD50 - Workshop on Radiation hard semiconductor devices for very high luminosity colliders CERN, 14-16 November, 2005
  33. A.J. Janavicius, Ž. Norgela, R. Purlys, A. Mekys, J. Storasta, A. Lankauskas. “Investigation of Electrical Conductivity of Czochralski Si Crystal Irradiated by soft X-rays”. 6th International Summer School Conference “Advanced Materials and Technologies “. Palanga 2004.
  34. A. Mekys, J. Storasta, R. Vasiliauskas. “Fractal Structures of Cu Metal Leaves Grown by Electrodeposition and Current Oscillations”. International Conference of “Structures And Spectroscopy.” Vilnius 2004.
  35. J. Vaitkus, J. Banys, V. Gostilo, S. Zatoloka, A. Mekys, J. Storasta, A. Žindulis. “Influence of electronic and ionic processes on electrical properties of TlBr crystals”. IWORID 6,.Glasgow 2004.
  36. A. Petravicius, V. Pažusis, S. Balakauskas, A. Mekys, J. Storasta, A. Žindulis. Anglies siuleliu tinklo formatavimas lazerio išgarinimo budu ir tinklo elektrines savybes // 35-oji jubiliejine Lietuvos nacionaline fizikos konferencija:programa ir pranešimu tezes, Vilnius, 2003 m. birželio 12-14 d/Puslaidininkiu fizikos institutas, Vilniaus pedagoginis universitetas, Vilniaus universitetas, Lietuvos fiziku draugija p. 193.
  37. R. Baubinas, S. Balakauskas, A. Mekys, A. Smilga, J. Storasta. Fulerenu ekstrakcija ir sluoksniu nusodinimas iš gamtiniu anglies junginiu sublimacijos vakuume budu // 35-oji jubiliejine Lietuvos nacionaline fizikos konferencija:programa ir pranešimu tezes, Vilnius, 2003 m. birželio 12-14 d/Puslaidininkiu fizikos institutas, Vilniaus pedagoginis universitetas, Vilniaus universitetas, Lietuvos fiziku draugija p. 84.
  38. R. Purlys, A.J. Janavicius, A. Mekys, S. Balakauskas, and J. Storasta. Electrical conductivity of Si and GaAs monocrystals excited by soft X-rays 376 (2001)

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