Інститут фізико-технічних та комп'ютерних наук Чернівецького Національного Університету імені Юрія Федьковича

Кафедра теоретичної фізики та комп'ютерного моделювання

Ключові публікації

 

Перелік вибраних публікацій співробітників кафедри

 

  1. M.V. Tkach, Ju.O. Seti, O.M.Voitsekhivska, M.Ju. Rud'ko, R.B. Fartushinsky Quasistationary and quasifree electron states in opened quantum dots. Romanian journal of physics. Vol.52, Nos. 3-4, P. 319-326, Bucharest, 2007.
  2. M.V. Tkach, Ju.O. Seti. Exciton in closed and opened quantum dot // Condensed Matter Physics. –2007. – V.10, №1(49)– P.23-31.
  3. Makhanets O. Electron and hole spectra in quantum wire with two quantum dots in the electric field / O.Makhanets, A.Gryschyk, M.Dovganiuk // Condensed Matter Physics. – 2007. – V. 10, № 1 (49). – P. 69 – 74.
  4. Makhanets O.M. Influence of electric field at electron energy spectrum in cylindrical quantum wire with two quantum dots/ O.M. Makhanets, A.M. Gryschyk, M.M. Dovganiuk // Rom. Journ. Phys. – 2007. – V. 52, № 3 – 4. – P. 403 – 408.
  5. V. Holovatsky, V. Gutsul, Optical oscillator strengths for the electron quantum transitions in elliptic nanotubes// Romanian Journal of Physics. - 2008, V.53, N7-8. – P.833-840.
  6. V. HolovatskyOscillator strengths of electron quantum transitions in spherical nanosystems with donor impurity in the center /HolovatskyV., MakhanetsO., VoitsekhivskaO.// Physica E. – 2009. – V.41. – P.1522-1526. 
  7. V.A. Holovatsky, V.I. Gutsul, O.M. Makhanets, Energy Spectrum of Electron in Superlattice Along the Elliptic Nanowire//Romanian Journal of Physics. - 2007, V.52, N3-4. – P.327-335.
  8. V. Holovatsky, V. Gutsul,  Electron energy spectrum in core-shell elliptic quantum wire// Condence Matter Physics. – 2007, V.10, N 1. – P.61-67.
  9. V. Holovatsky, V. Gutsul,  Electron energy spectrum and wave functions in complicated elliptic quantum wires// Journal of Optoelectronics and Advanced Materials. – 2007, V.9, N5. - P.1437-1441.
  10. M.V. Tkach, Ju.O. Seti, O.M. Voitsekhivska, Evolution of quasistationary electron spectrum in opened spherical quantum dot // Cond. Matter Physics., 2008. – V.11, №3(55). – pp.463-472.
  11. Mykola Tkach, Olexander Makhanets, Andrii Gryschyk, Rostyslav Fartushynsky,Exciton in quantum tube with hexagon cross// Rom. Journ. Phys., V. 54, N. 1–2, P. 37–45, 2009.
  12. M. Tkach, O. Makhanets, M. Dovganiuk, O. Voitsekhivska,Exciton spectrum in hexagon nanotube accounting exciton–phonon interaction // Physica E 41 (2009) 1469–1474.
  13. M.Tkach, Ju.Seti, O.Voitsekhivska and M.Dovganiuk, Spherically Symmetric Exciton States in Opened Spherical Quantum Dot // Rom.Journ.Phys. – 2009. – V.54, 1-2. – P.47-56.
  14. Н.В. Ткач, А.М. Маханец, Н.Н. Довганюк, Теория экситонного спектра массива удаленных друг от друга шестигранных нанотрубок // Физика твердого тела, 2009, Т 51, N 12, С. 2379-2385.
  15. Н.В.Ткач, Ю.А.Сети, Спектр и свойства сечения рассеяния электронов в открытых сферических квантовых точках // ФТП – 2009. – Т.43 (3). – C.357-363.
  16. Н.В.Ткач, Ю.А.Сети, Эволюция квазистационарных состояний электрона в открытой сферической квантовой точке // ФТТ – 2009. – Т.51 (5). – C.979-985.
  17. Н.В.Ткач, Ю.А.Сети. Плоские двухбарьерные резонансно-туннельные структуры: резонансные энергии и резонансные ширины квазистационарных состояний электрона // ФТП – 2009. – Т.43 (10). – C.1346-1355.
  18. Н.В.Ткач, Ю.А.Сети, Дублетные резонансы электрона в симметричных трехбарьерных резонансно-туннельных структурах // ЖТФ – 2009. – Т.79. – В.12. – C.109-113.
  19. Н.В.Ткач, Ю.А.Сети, Эволюция и коллапс квазистационарных состояний электрона в плоских симметричных трехбарьерных резонансно-туннельных структурах // Физика низких температур. – 2009. – Т.35. – №7. – С.710-720.
  20. Tkach M., Holovatsky V., Makhanets O., Dovganiuk M.,Stationary and quasi-stationary electron spectrum in quantum wire and quantum anti-dot with impurity // Journal of Physical Studies/ – 2009. – V.13, N4. – P. 4706-1 – 4706-6.
  21. Tkach M.V., Fartushinsky R.B., Seti Ju.O., Quasistationary electron states renormalized due to the interaction with phonons in open spherical quantum dot. Romanian journal of physics. Vol.55, Nos. 1-2, P. 93-101, Bucharest, 2010.
  22. М.V. Tkach, О.M. Мakhanets, Ju.O. Seti, М.M. Dovganiuk, О.M. Voitsekhivska, Electronic conductivity in open cylindrical two-barrier symmetric resonance tunnel structure // Acta Physica Polonica A.2010. – V.117, № 6. – P.965-970.
  23. Tkach M.V., Seti Ju.O., Voitsekhivska O.M.,Non-perturbation theory of electronic dynamic conductivity for two-barrier resonance tunnel nano-structure // Condensed Matter Physics, 2011, Vol. 14, No 4, 43702: 1-10. 
  24. Tkach M.V., Seti Ju.O., Matijek V.O., Voitsekhivska O.M.,Active conductivity of plane two-barrier resonance tunnel structure as operating element of quantum cascade laser or detector // Condensed Matter Physics, 2011, Vol. 14, No 2, 23704: 1-11.
  25. Tkach M.V., Seti Ju.O. Evolution of the spectral parameters of quasiparticles in an open symmetrical three-barrier resonance tunneling nanostructure // Phisics of the Solid State, 2011, Vol. 53, No 3, pp. 590-598. 
  26. Tkach M.V., Seti Ju.O. Optimization of  the configuration of a symmetric three-barrier resonant-tunneling structure as an active element of a quantum cascade detector // Semiconductors, 2011, Vol. 45, No 3, pp. 376-384. 
  27. Ju. Seti, M. Tkach, O. Voitsekhivska.       Dynamic conductivity of symmetric three-barrier plane nanosystem in constant electric field // Condensed Matter Physics, 2011, vol. 14, No. 1, 13701: 1-7
  28. HolovatskyV., MakhanetsO., FrankivI. Quasi-StationaryElectronStatesinSphericalAnti-DotwithDonorImpurity// Rom. Journ. Phys. – 2012. – V. 57, № 9-10. – P. 1285–1292. 
  29. Tkach M. V. Evolution of Electron Spectrum in Symmetrical Two-Barrier Open Nano-Structure under the Influence of Strong Electromagnetic Field /Tkach M. V., Seti Ju. O., Voitsekhivska О. M.// Ukr.J.Phys.Opt. – 2012.–V. 13, № 1. – P. 36–44. 
  30. Ткач Н. В. Нерезонансные каналы прозрачности двухбарьерной наносистемы в электромагнитном поле произвольной напряженностиН. В. Ткач , Ю. А. Сети  // Письма в ЖЭТФ. – 2012. – Т. 95, В. 5. – P. 296–301.   
  31. М. V. Тkach, Yu. О. Seti. Theory of the properties of resonance tunnel nano-strictures as active elements of quantum cascade lasers and detectors // Ukr. J. Phys. – 2013. – Т. 58. – № 2. – P. 182-188.
  32. Holovatsky V.A. Oscillator strength of quantum transition in multi-shell quantum dots with impurity / V.A. Holovatsky, I.B. Frankiv // Journal of Optoelectronics and Advanced Materials. – 2013. – V. 15, № 1-2. – P. 88-93. 
  33. Головацький В.А. Сили осцилятора внутрішньо-зонних квантових преходів у сферичній квантовій точці GaAs/AlxGaAs/GaAs/AlxGa1-xAs з центральною донорною домішкою / В.А. Головацький, І.Б. Бернік // Фізика і хімія твердого тіла. – 2013. – Т. 14, № 3. – С. 480-486. 
  34. Ju. О. Seti, М. V. Тkach, V. O. Matijek, O. М. Voitsekhivska Tunnelling properties of two-well nanostructures with δ-like barriers placed into the strong electromagnetic fields // JOAM. – 2013. – V. 15. – № 1-2. – P. 82-87.
  35. N. V. Tkach, I. V. Boyko, Ju. A. Seti, G.G.Zegrya. A quantum cascade laser in a transverse magnetic field. A model of the open triple-barrier active region // Technical Physics Letters. – 2013. – V. 39. – № 6. – P. 520-524. 
  36. M.V. Tkach, Ju.O. Seti, I.V. Boyko, O.M.Voitsekhivska. Optimization of quantum cascade laser operation by geometric design of cascade active band in open and closed models // Condensed Matter Physics. – 2013. – V. 16. – № 3. – P. 33701: 1-10. 
  37. G. G. Zegryaa, N. V. Tkach, I. V. Boiko, and Yu. A. Seti. Quasi-Stationary Electron States in a Multilayered Structure in Longitudinal Electric and Transverse Magnetic Fields // Physics  of the Solid State. – 2013. – V. 55. – № 10. – P.2182-2189.  
  38. М.V. Tkach, Ju.O. Seti, О.M. Voitsekhivska. Transmission canals for the photon-assisted transport of electron through the double-barrier resonant tunneling structure // Acta Physica Polonica A. – 2013. – V. 124. – № 1. – P.94-101. 
  39. М. V. Тkach, Ju. О. Seti, І.V.Boyko, O. М. Voitsekhivskа. Dynamic conductivity of resonance tunnel structures in the models of open cascades in nanolasers // Rom.Rep.Phys. – 2013. – V. 65. – № 4. – P.1443-1453. 
  40. N. V. Tkach and Ju. A. Seti. On the transmission channels and current-voltage characteristics of a double-barrier nanostructure driven by dc electric and electromagnetic fields of arbitrary strength // Semiconductors. – 2014. – V. 48. – № 5. – P. 590-595. 
  41. М.V. Тkach, Ju.O. Seti, Y.B.Grynyshyn, О.M.Voitsekhivska. Influence of interface phonons at operating electron states in three-barrier resonant tunneling structure being an active region of quantum cascade detector// Condensed Matter Physics. – 2014. – V. 17, №. 2 – P. 23704: 1-10. 
  42. M.V. Tkach, Ju.O. Seti, Ju.B. Grynyshyn. Influence of confined polarization phonons on the electron spectrum in the three-barrier active zone of a quantum cascade detector // Ukr. J. Phys. – 2014. – Т. 59. – № 12. – P. 1191-1200. 
  43. I. V. Boyko, Yu. B. Grynyshyn, Ju. O. Seti, M. V. Tkach. The influence of static and dynamic spatial charges on electronic active conductivity of three-barrier resonant tunneling structures // J. Phys. Stud. – 2014. – V. 18. – № 4. – P.4702: 1-10. 
  44. M.V. Tkach, Ju.O. Seti, I.V. Boyko, M.V. Pan’kiv Role of two-photon electronic transitions in operation of quantum cascade lasers// Sensor Electronics and Мicrosystem Technologies. – 2014.– V.11. –№4 – P. 9–17.
  45. Holovatsky V. Oscillator strengths of quantum transition in spherical quantum dot GaAs/AlxGa1хAs/GaAs/AlxGa1-xAs with on-center donor impurity / V. Holovatsky, I. Bernik, O. Voitsekhivska // Acta Physica Polonica A. – 2014. – V. 125, № 1. – P. 93-97. 
  46. Holovatsky V. Effect of magnetic field on electron spectrum in spherical nano-structures / V. Holovatsky, O. Voitsekhivska, I. Bernik // Condensed Matter Physics. – 2014. – V. 17, № 1. – P. 13702: 1-8. 
  47. Holovatsky V. Effect of Magnetic and Electric Fields on Optical Properties of Semiconductor Spherical Layer/ V. Holovatsky, I. Bernik // Semiconductor Physics, Quantum Electronics and Optoelectronics. 2014, vol. 17, N.1, P.7-13. 
  1. / Makhanets O.M. Spectral Parameters of Electron in a Multishell Semiconductor Cylindrical Nanotube with a Donor Impurity at Its Axis / Makhanets O.M., Kuchak A.I., Gutsul V.I. // Ukr. J. Phys. – 2014. – V. 59, № 8. – P. 819 – 825. 
  2. O.M. Makhanets, A.I. Kuchak, V.I. Gutsul, O.M. Voitsekhivska Spectral parameters of electron in multi-shell open semiconductor nanotube // Semiconductor Physics, Quantum Electronics and Optoelectronics. – 2015. – V. 18, № 1. – P. 57-62. 
  3. N. V. Tkach, Ju. A. Seti, and Yu. B. Grynyshyn. Electron–Phonon Interaction in ThreeBarrier Nanosystems as Active Elements of Quantum Cascade Detectors // Semiconductors. – 2015. – V. 49. – № 4. – P. 529-539.
  4. M.V. Tkach, Ju.O. Seti, О.M. Voitsekhivska, O.Yu.Pytiuk. Renormalized energy of ground and first excited state of Fröhlich polaron in the range of weak coupling // Condensed Matter Physics. – 2015. – V. 18, №. 3 – P. 33707: 1-12.  
  5. M.V. Tkach, Ju.O. Seti, Y.B.Grynyshyn, О.M. Voitsekhivska. Dynamic conductivity of electrons and electron-phonon interaction in open three-well nanostructures // Acta Physica Polonica A. – 2015.