Списък на публикациите

монографии

  1. Pencheva T., M. Nenkov. Accuracy of Thin Film Optical Constants Determination Using Colour Coordinates Method. In: Proc. of 9-th International School on Condensed Matter Physics “Thin Film Materials and Devices – Development. London, England, World Scientific Publishing Co. Pte. Ltd., 1998, pp. pp. 349 - 352., ISBN 9810230990.
  2. Pencheva T., M. Nenkov. Optical inhomogeneity of RF-sputtered BaTiO3 thin films. In: Proc. of Tenth ISCMP, “Thin Film Materials and Devices - Developments in Science and Technology”. London, England, World Scientific Publishing Co. Pte. Ltd., 1998, pp. 353 - 356, ISBN 9810230990.
  3. Pencheva T., M. Nenkov. Selective Multilayer Mirrors for White Light Based on Ti and Si Oxides Prepared by Ion Sputtering in Vacuum.. New York, USA, Nova Science Publishers, 1996, pp. 157 – 164, ISBN Ще добавя.
  4. Pencheva, T., M. Nenkov, K. Shtereva, P. Hadjiska, E. Tomerov. Barium Titanate Thin Films: RF-sputtering and Properties. In: Proc. of 9-th International School on Condensed Matter Physics "Future directions in thin film science and technology". London, England, World Scientific Publishing Co. Pte. Ltd., 1997, pp. 286-290, ISBN 9810230990.
статии
  1. Dineff P., N. Shojlev, T. Pencheva, P. Mashkov, B. Gyoch. Infrared Oil Contamination Cleaning Technology for Polymer Surfaces.// ” Електротехника и Електроника”, 2008, No 11 – 12, pp. 67 - 71.
  2. M. Nenkov, T. Pencheva. Determination of thin film refractive index and thickness by means of film phase thickness.// Central European Journal of Physics, 2008, No 2, vol. 6, pp. 332 – 343
  3. M. Nenkov, T. Pencheva. Phase thickness approach for determination of thin film refractive index dispersion from transmittance spectra..// European Physical Journal - Applied Physics, 2008, No 3, Vol. 42, pp. 219 – 228
  4. Nenkov M., T. Pencheva. Symmetrical Five Layer Periods from Nonabsorbing High and Low Refractive Index Materials.// JOURNAL OF THE OPTICAL SOCIETY OF AMERICA A, 1997, No 3, vol. 14, pp. 686 - 692
  5. Nenkov M., T. Pencheva. Estimation of Errors in Thin Film Optical Constants Determination Using Colour Coordinates.// Comptes Rendus de l’Academie Bulgare des Sciences, 2000, No 4, vol. 53, pp. 23 - 26
  6. Nenkov M., T. Pencheva. Calculation of Thin-film Optical Constants by Transmittance Spectra Fitting.// JOURNAL OF THE OPTICAL SOCIETY OF AMERICA A, 1998, No 15, pp. 1852 - 1857
  7. Nenkov M., T. Pencheva. Broad-band heat reflector design using five-layer symmetrical periods from non-absorbing high- and low-refractive-index materials.// JOURNAL OF MODERN OPTICS, 1998, No 1, vol. 45, pp. 143 - 152
  8. Nenkov M., T. Pencheva. Investigation of Inhomogeneity of BaTiO3 Thin Films Using Transmittance Spectra Measurements.// THIN SOLID FILMS, 1998, No 324, pp. 305 - 310
  9. Nenkov М., T. Pencheva. Multilayer Symmetrical Dielectric Stacks for Needs of Near IR Heat Reflector Design.// Bulgarian Journal of Physics, 1998, No 1/2, vol. 25, pp. 38 - 48
  10. Pencheva T., M. Nenkov, J. Michev. Design of multilayer matching filters for glass elements in optical fiber communication systems.// Annual School Lectures, 1999, No Vol 21,N1, pp. 31 - 36
  11. Pencheva T., M. Nenkov. Optical Inhomogeneity of BaTiO3 Thin Films and its Correlation with Some Deposition Conditions.// VACUUM, 2000, No 2/3, vol. 58, pp. 358 – 370
  12. Pencheva T., M. Nenkov. The Properties of Barium Titanate RF Sputtered in Argon.// VACUUM, 1997, No 1, vol. 48, pp. 43 - 48
  13. Pencheva T., M. Nenkov. Some Possible Applications of Chromatic Parameters to Thin Films Optical Constants Determination.// JOURNAL OF MODERN OPTICS, 1996, No 43, pp. 2449 - 2462
  14. Pencheva T., S. Penchev. Design of amplitude spatial Fourier filters for optical dimensional checking.// Annual School Lectures, 1999, No Vol 21,N1, pp. 43 – 48
  15. Pencheva T., Sainov V., Gospodinov M. Holographic interferometric determination of the refractive index change in transparent samples.// . Proc. of SPIE, 1989, No 1183, pp. 407 – 411
  16. Pencheva T.G., Petrov M.P., Stepanov S.I. About movable current carriers' sign in cubic photorefractive crystals Bi12(Ge, Si, Ti)O20.// Solid State Physics, 1982, No 24, pp. 687 – 688
  17. Pencheva T.G., Petrov M.P., Stepanov S.I. Selective properties of volume phase holograms in photorefractive crystals.// Optics Communications, 1982, No 3, vol. 40, pp. 175 - 178
  18. Pencheva, T. New methods for determination of optical parameters of thin films based on transmission spectra processing.// Journal of the Scientists’ Society in Bulgaria, Series 5 "Mathematics, Informatics & Physics", 2002, No Vol. 2, pp. 118 - 125
  19. Pencheva, T. Models and algorithms for dielectric thin film optical properties simulation.// Journal of the Scientists’ Society in Bulgaria, Series 5 "Mathematics, Informatics & Physics", 2002, No Vol. 2, pp. 109 - 117
  20. Pencheva, T. Transmission spectra application for thin films optical properties study.// Annual School Lectures, 2000, No vol. 22, pp. 81 - 86
  21. Pencheva, T.G., Stepanov, S.I., Miridonov, S.V. FINE STRUCTURE OF THE LIGHT DIFFRACTION MAXIMUM IN A THREE-DIMENSIONAL Bi12SiO20 HOLOGRAM.// Journal of Technical Physics, 1983, No 1, Vol. 28, pp. 66-68, ISSN 00385662.
  22. Petrov M.P., Pencheva T.G., Stepanov S.I. Light diffraction from volume phase holograms in electrooptic photorefractive crystals.// Journal of Optics, 1981, No 5, vol. 12, pp. 287 – 292
  23. Petrov M.P., Stepanov S.I.,Pencheva, T.G.,Kulikov V.V. LIGHT DIFFRACTION ON VOLUME PHASE HOLOGRAMS IN Bi12SiO20.// Optics and Spectroscopy, 1983, No 55, pp. 326 – 330
  24. Popov, D., Uzunov, Ts., Pencheva, T., Docheva, P. Oxidation-induced changes in the optical transmittance of thin films deposited by magnetron sputtering of stainless steel.// Thin Solid Films, 1986, No 1, Vol. 135, pp. 129-135, ISSN ISSN: 00406090.
  25. Stepanov S.I., Pencheva T.G., Kulikov V.V. Piculiarity of photorefraction incubic crystals Bi12SiO20.// Solid State Physics, 1982, No 24, pp. 675 – 677
  26. Пенчева Т.Г., Петров М.П., Степанов С.И. О знаке подвижных носителей тока в кубических фоторефрактивных кристаллах Bi12(Ge, Si, Ti)O20.// Фзика Твердого Тела, 1982, брой 4, т. 24, стр. 1214 – 1216
  27. Пенчева Т.Г., Петров М.П., Степанов С.И. Дифракционная эффективность анизотропных голограмм в LiNbO3.// Автометрия, 1980, брой 1, стр. 122 – 126
  28. Пенчева Т.Г., Степанов С.И., Миридонов С.В. О тонкой структуре максимума дифракции света на объемной голограмме в Bi12SiO20.// Журнал Технической Физики, 1983, брой 1, т. 53, стр. 114 – 117
  29. Петров М.П., Степанов С.И. Пенчева Т.Г., Куликов В.В. Дифракция света на объемных фазовых голограммах в Bi12SiO20.// Оптика и спектроскопия, 1983, брой 2, т. 55, стр. 326 – 330
  30. Степанов С.И. Пенчева Т.Г., Куликов В.В. Особенности фоторефракции в кубических кристаллах Bi12SiO20.// Физика Твердого Тела, 1982, брой 4, т. 24, стр. 1195 – 1198
доклади
  1. Dineff P., T. G. Pencheva, P. Mashkov, N. Shojlev, B. Gyoch. Equipment for Infrared Cleaning of Oil Contaminations. IN: Proceedings of XII International Conference on Electrical Machines, Drives and Power Systems – ELMA 2008, Bulgaria, 2008, pp. 265 - 269.
  2. Evstatiev I., T. Pencheva, P. Mashkov. Heat Transfer Modeling for Soldering Processes of SMD’s to Printed Circuit Boards Using Low Inert Infrared Heaters. IN: Proceedings of IEEE, 28th International Spring Seminar on Electronics Technology – ISSE 2005, IEEE, 2005, pp. 112 -117
  3. Ivanov I., Т. Donchev, T. Pencheva, and M. Nenkov. Laboratory equipment for magnetron and RF ion sputtering in vacuum. IN: Proc. of AMTEX'95, section IV "Material Science and Coatings", Rousse, 1995, pp. 96 - 102
  4. Kontrov S., M. Marinova, A. Valchev, T. Pencheva, B. Dimitrov. Modeling of heat transfer during soldering process by control of operation of heaters. IN: Proceedings of XII International Conference on Electrical Machines, Drives and Power Systems, Sofia, Bulgaria, 2008, pp. 281 - 285
  5. Kontrov S., M. Marinova, P. Mashkov, T. Pencheva. Investigation on Functional and Reliability Properties of IR Heaters for Soldering Processes in Connection with Spectral Characteristics of Radiation Control. IN: Proceedings of IEEE, 29th International Spring Seminar on Electronics Technology - ISSE 2006, IEEE, Germany, 2006
  6. M. Nenkov., Pencheva. Analysis of structure of symmetrical groups from dielectric layers for transparent heat reflecting coatings. IN: Proc. of AMTEX'95, section IV "Material Science and Coatings", Rousse, 1995, pp. 96 - 102
  7. Manukova А., D.Stephanov, T.Pencheva. X-ray and Scanning Acoustic Microscopy analysis on lead-free automotive electronic module. IN: IEEE, 32nd International Spring Seminar on Electronics Technology,, Brno, Czech Republic, 2009, pp. 178-179
  8. Mashkov P., T. Pencheva, A. Valchev, B. Gyoch. Equipment for infrared welding of large area plastic details. IN: Proceedings of XII International Conference on Electrical Machines, Drives and Power Systems – ELMA 2008, Bulgaria, 2008, pp. 297 - 301.
  9. Mashkov P., T. Pencheva, A. Valchev, B. Gyoch. In situ non contact temperature measurements on PCB during soldering process. IN: Proceedings of IEEE, ISSE - 2008, 31st International Spring Seminar on Electronics Technology, IEEE, Budapest, Hungary, 2008, pp. 134 – 138
  10. Mashkov P., T. Pencheva, and B. Gyoch. Development of Reflow Soldering Processes Using Heaters’ Operation Control. IN: IEEE, Proc. of 32th International Spring Seminar on Electronics Technology - ISSE 2009, IEEE, Brno, Czech Republic, 2009
  11. Mashkov P., T. Pencheva, B. Gyoch. LEDs’ operation optimizing for long term lumen maintenance. IN: IEEE, Proc. of 33th International Spring Seminar on Electronics Technology - ISSE 2010, Warsow, Poland, IEEE, 2010, pp. D13 pp. 232-237.
  12. Mashkov P., T. Pencheva, B. Gyoch. Multifunctional LED Lamp Thermal Management.. IN: IEEE, Proc. of 33th International Spring Seminar on Electronics Technology - ISSE 2010, Warsow, Poland, IEEE, 2010, pp. D12 pp. 226 - 231.
  13. Mashkov P., T. Pencheva, B. Gyoch. Electronic control of emitters’ operation for infrared welding of plastic details. IN: Proc. of International Conference ELECTRONICS ET 2009, Bulgaria, 2009, pp. 212 - 215
  14. Mashkov P., T. Pencheva, B. Gyoch, D. Popov. Infrared Radiation Spectrum Control During Soldering Processes Applying Low Inert Heaters. IN: Proceedings of IEEE, 29th International Spring Seminar on Electronics Technology - ISSE 2006, IEEE, Germany, 2006, pp. 157 - 162.
  15. Mashkov P., T. Pencheva, B. Gyoch. Lamp with Rigid LED Strip – Design and Thermal Management. IN: IEEE, Proc. of 34th International Spring Seminar on Electronics Technology - ISSE 2011, High Tatras, Slovakia, A06, IEEE Xplorer.org, 2011, pp. 39-44.
  16. Mashkov P., T. Pencheva, B. Gyoch. PCB Thermal Performance for Power LEDs. IN: IEEE, Proc. of 34th International Spring Seminar on Electronics Technology - ISSE 2011, High Tatras, Slovakia, IEEE, 2011, pp. A05, 1 – 6.
  17. Mashkov P., T. Pencheva, B. Gyoch. LEDs’ Thermal Management Aided by Infrared Thermography.. IN: Advanced Packaging Materials /MicroTech 2010, Moller Centre, Cambridge, England, 2010, pp. 68-73
  18. Mashkov P., T. Pencheva, D. Popov. Application of Low Inert Infrared Heaters for Soldering Processes. IN: Proceedings of IEEE, 27th International Spring Seminar on Electronics Technology, IEEE, 2004, pp. 366 – 370
  19. Mashkov P., T. Pencheva, D. Popov, B. Gyoch. Equipment and Method for Lead Free Soldering of SMDs. IN: 15th International Scientific and Applied Science Conference ELECTRONICS’ 2006, BULGARIA, 2006, pp. book 2, pp. 77 – 82.
  20. Mashkov P., T. Pencheva, D. Popov, B. Gyoch. Apparatus and Method for Soldering Electronic Components to Printed Circuit Boards. IN: Proceedings of IEEE, 28th International Spring Seminar on Electronics Technology – ISSE 2005, IEEE, 2005, pp. 406 - 411
  21. Mashkov P., T. Pencheva, D. Popov, V. Mateev. Emission Spectra Control for Infrared Heaters by Electronic Pulse Management. IN: Proceedings of IEEE, 26th International Spring Seminar on Electronics Technology – ISSE 2003, 345 E 47TH ST, NEW YORK, NY 10017 USA, IEEE, 2003, pp. 289 - 292, ISBN 0-7803-8002-9.
  22. Mashkov P., T. Pencheva, D. Popov, V. Mateev. Electronic Pulse Control for Low Inert Infrared Heaters. IN: Proceedings of the 12th International Conference ELECTRONICS ET’2003, Bulgaria, 2003, pp. 369 – 375
  23. Mashkov P., T. Pencheva, D. Popov, V. Mateev. High emissivity thermal shock resistant coatings on iron based alloys substrates. IN: Proceedings of IEEE, 25th International Spring Seminar on Electronics Technology – ISSE 2002, IEEE, 2002, pp. 41 – 43
  24. Mashkov, P., T. Pencheva, B.Gyoch. Reflow Soldering Processes Development Using Infrared Thermography. IN: IEEE, Proc. of 32d International Spring Seminar on Electronics Technology - ISSE 2009, IEEE, 2009, pp. D15, pp. 1- 6.
  25. Mashkov, P., T.Pencheva, B.Gyoch. Non-contact temperature measurements during thermal processes. IN: Thirteenth international conference on electrical machines, drives and power systems ELMA 2011, Proceedings of conf. ELMA, Bulgaria, 2011, pp. 165 – 171
  26. Mashkov, P.,T. Pencheva, B. Gyoch. Temperature Measurement Methods for Power LEDs’ Thermal Performance Investigations. IN: Proc. of International Conference ELECTRONICS ET 2010, book 2, Bulgaria, 2010, pp. 72-75
  27. Nenkov M., B. Gyoch, T. Pencheva. Wide-band Antireflection Coatings upon Si/HgCdTe Photosensitive Structures for Middle Wavelength IR. IN: Proceedings of IEEE, 30th International Spring Seminar on Electronics Technology – ISSE 2007, Cluj-Napoca, Romania, 2007, pp. 377 – 382
  28. Nenkov M., B. Gyoch, T. Pencheva. Design of Wide-band Antireflection Coatings on GaAs Substrates for Long Wavelength IR Spectrum. IN: Proceedings of IEEE, 29th International Spring Seminar on Electronics Technology - ISSE 2006, St. Marienthal, Germany, 2006, pp. 169 – 174
  29. Nenkov M., T. Pencheva. Application of thin film phase thickness to determination of its refractive index dispersion from transmittance measurements. IN: Proceedings of the IXth workshop on Nanoscience and Nanotechnology, Sofia, Heron Press, Sofia, 2008, pp. 133 – 140
  30. Nenkov M., T. Pencheva. Reactive Deposition and Properties of Titanium Oxide Thin Films. IN: Proc. of AMTECH'97, Gabrovo, 1997, pp. 159 - 166
  31. Nenkov M., T. Pencheva. Multilayer Symmetrical Dielectric Stacks for Needs of Near IR Heat Reflector Design. IN: Proc. of AMTECH'95, sec. Heat treatment and coatings, Ruse, 1995, pp. 178 - 185
  32. Nenkov, M., T. Pencheva, K. Shtereva. Optical Properties of Titanium Oxide Coatings Deposited Using Reactive Sputering. IN: In Proceedings: ISCMP Varna ’96, Varna, 1996, pp. 1-4
  33. Penchev M., T. Pencheva. Some aspects of assembly and interconnection in microsystems technology. IN: Proc. of . ”Drittes Symposium Mikrosystemtechnik”, Regensburg, 1993, pp. 368 - 372
  34. Pencheva T. G., M.R.Nenkov and J.K.Michev. Optical properties of antireflection dielectric stacks on silica for two wavelengths in the near IR.. IN: Proceedings of 11-th International School on Condensed Matter Physics (ISCMP) Materials for Information Technology in the New Millenium, United Kingdom, Bookcraft Publishing Co., 2001, pp. 404 – 407
  35. Pencheva T., B. Gyoch, P. Mashkov. Optical measurements upon compact discs in education in Optoelectronics. IN: IEEE, Proc. of 33th International Spring Seminar on Electronics Technology - ISSE 2010, IEEE, Warsow, Poland, 2010, pp. H10 pp. 1 – 6.
  36. Pencheva T., D. Pulov, B. Gyoch, M. Nenkov. Design of CCD Optical System for Thermal IR Spectral Region Heaters. IN: Proceedings of IEEE, 29th International Spring Seminar on Electronics Technology - ISSE 2006, St. Marienthal, Germany, 2006, pp. 175 – 180
  37. Pencheva T., M. Angelova, S. Penchev. Characteristics of the phenomenon dynamic optical recording in photorefractive media. IN: Proc. of 20th International "Spring" Seminar on Semiconductor and Hybrid Technologies, Sofia, 1998, pp. 124-129
  38. Pencheva T., M. Nenkov. Application of numerical simulations for determination of thin film optical parameters. IN: Proceedings of IEEE, 27th International Spring Seminar on Electronics Technology, Bankja, Bulgaria, 2004, pp. 350 – 357
  39. Pencheva T., M. Nenkov. Determination of optical constants and thickness of thin BaTiO3 films using transmittance measurements. IN: Proc. of 20th International “Spring” Seminar on Semiconductor and Hybrid Technologies, Sofia, Bulgaria, 1998, pp. 117 - 123
  40. Pencheva T., M. Nenkov. Optical and Electrical Properties of RF-sputtered Barium Titanate Thin Films. IN: Proc. of 8-th International. School on Condensed Matter Physics -Electronic, Optoelectronic and Magnetic Thin Films, Varna'94, Taunton, Somerset, England, Research Studies Press Ltd., 1994, pp. 684 - 687
  41. Pencheva T., M. Nenkov. Vacuum Deposited Selective Multilayer Filters for White and Infrared Light. IN: Proc. of 8-th International. School on Condensed Matter Physics -Electronic, Optoelectronic and Magnetic Thin Films, Varna'94, Taunton, Somerset, England, Research Studies Press Ltd., 1994, pp. 688 - 691
  42. Pencheva T., M. Nenkov, J. Michev. Design of wide-band antireflection multilayer coatings upon silica optical elements in fiber long-distance systems. IN: Proceedings of IEEE, 25th International Spring Seminar on Electronics Technology, Prague, 2002, pp. 211 - 214
  43. Pencheva T., M. Nenkov, J. Michev. Wide-band antireflection multilayer coatings for semiconductor substrates in the near infrared - computer-aided design.. IN: Proceedings of IEEE, 25th International Spring Seminar on Electronics Technology, ISSE 2002, Prague, Prague, ISSE, 2002, pp. 300 - 304
  44. Pencheva T., M. Nenkov, M. Jelinek, J. Lančok, J. Bulíř, A. Deineka, Xu Chao-Nan. Determination of optical properties of PLZT thin films using transmittance spectra processing.. IN: Proceedings of SPIE, vol. 4762, 9th International Conference “Advanced Laser Technologies”, Constanta, Romania, SPIE, 2002, pp. 181 - 185
  45. Pencheva T., M. Nenkov, P. Voneva. Refractive index depth profile determination for thin and ultrathin vacuum deposited BaTiO3 films. IN: Proceedings of the VIIth Workshop on Nanoscience and Nanotechnology, Sofia, Bulgaria, Heron Press, Sofia, 2006, pp. 188 - 194
  46. Pencheva T., M. Nenkov, P. Voneva. Accuracy Comparison of Two Methods for Refractive Index Determination for Nonabsorbing Thin Films & Substrates in the Visible Spectral Region. IN: Proceedings of the VIth Workshop on Nanoscience and Nanotechnology, Sofia, Bulgaria, Heron Press, Sofia, 2005, pp. 102 – 106
  47. Pencheva T., M. Nenkov. Investigation of optical constants of thin films based on transmission spectra measurements. IN: Proc. of the Second Workshop “Nanostructured Materials Application and Innovation Transfer”, Sofia, Bulgaria, 2000, pp. 57 – 59
  48. Pencheva T., M. Nenkov. Investigation of optical inhomogeneity of thin films based on transmission spectra measurements. IN: Proc. of the Second Workshop “Nanostructured Materials Application and Innovation Transfer, Sofia, Bulgaria, 2000, pp. 66 – 68
  49. Pencheva T., M. Nenkov. Analysis of optical dispersion for thin films using transmittance spectra. IN: University of Ruse “Angel Kanchev”, Proceedings, Vol. 37, book 3, Ruse, 1999, pp. 420 - 425
  50. Pencheva T., M. Nenkov. Application of chromatic parameters to analysis of optical properties of thin films. IN: Proceedings of BULCOLOR’99, International color conference, Varna, Bulgaria, 1999, pp. 144 - 152
  51. Pencheva T., M. Nenkov. Estimation of uncertainty in thin film optical constants determination using chromatic parameters. IN: Proc. of 20th International “Spring” Seminar on Semiconductor and Hybrid Technologies, Sofia, Bulgaria, 1998, pp. 160 - 166
  52. Pencheva T., M. Penchev. Some possible aplications of piezoelectric electrooptic media in microsystem tehnology. IN: Proc. of . ”Drittes Symposium Mikrosystemtechnik”, Regensburg, 1993, pp. 363 - 367
  53. Pencheva T., St. Kolev, J. Ivanova. Satellite derived total column ozone climatology over West and East Bulgaria (a contribution to the GMES initiative). IN: GMES initiative, Sofija, 2011
  54. Pencheva T.G., M.R.Nenkov, B.S.Gyoch. Design of Antireflection Wideband Coatings for the Near Infrared Spectral Region. IN: Proceedings of IEEE, 28th International Spring Seminar on Electronics Technology – ISSE 2005, Wiener Neustadt, Austria, 2005, pp. 106 - 111
  55. Pencheva Т., M. Kostova. Computer-aided test checuing and Evalution of Student's Knowledge in Mathematical Logic. IN: 25 th International Spring Seminar on Electronics Thechnology, Prague, Czech Republic, 2002, pp. 14-18
  56. Pencheva Т., M. Nenkov, J. Michev. Interference Multilayer Antireflection Coatings for Two Wavelengths in the Near Infrared. IN: Proceedings of SPIE vol. 4397 11th International School on Quantum Electronics: Laser Physics and Applications, Varna, 2000, pp. 124 – 128
  57. Pencheva Т., Yankova Т. Evaluation of Students’ Knowledge in Theoretical Basis of Optoelectronics. IN: Proceedings of IEEE, 27th International Spring Seminar on Electronics Technology, Bankja, Bulgaria, 2004, pp. 361 – 365
  58. Pencheva, T. Optical properties of PLZT thin films determined using reflection spectra. IN: 26TH INTERNATIONAL SPRING SEMINAR ON ELECTRONICS TECHNOLOGY, CONFERENCE PROCEEDINGS - INTEGRATED MANAGEMENT OF ELECTRONIC MATERIALS PRODUCTION, 345 E 47TH ST, NEW YORK, NY 10017 USA, IEEE, 2003, pp. 371-374, ISBN 0-7803-8002-9.
  59. Petrov M.P., Miridonov S.V., Pencheva T.G., Stepanov S.I. Light diffraction from volume phase holograms in photorefractive Bi12SiO20 crystals. IN: Proc. Of Int. Conf. OPTICA-80, Budapest, Hungary, 1980, pp. 186-189
  60. Petrov M.P., Pencheva T.G., Stepanov S.I., Kulikov V.V. Light diffraction from holograms in photorefractive Bi12SiO20 crystals with impurity centers. IN: Proc. of Int. Conf. Defects in Dielectric Crystals, Riga, 1981, pp. 218 - 221
  61. Valchev A. V., P. H. Mashkov, T. G. Pencheva, B. S. Gyoch. Thermal processes modeling during soldering of BGA components to PCB. IN: Proc. of International Conference ELECTRONICS ET 2008, Bulgaria, 2008, pp. book 4 pp. 127 - 133
  62. Valchev A., P. Mashkov, T.Pencheva, B. Gyoch. Modeling of processes at polyamide parts’ IR welding. IN: Proceedings of XII International Conference on Electrical Machines, Drives and Power Systems – ELMA 2008, Bulgaria, 2008, pp. 275 - 280
  63. Иванов И.С., Т.Г. Пенчева, М.С. Пенчев. Лабораторна инсталация за магнетронно и ВЧ йонно разпрашване във вакуум. В: Научни трудове на ВТУ ”Ангел Кънчев” том. XXXII, серия 3, Русе, 1989, стр. 92 - 97
  64. Иванова Ж., Ст. Колев, Т. Пенчева. Изучаване на сумарното количество озон във вертикален атмосферен стълб на единица площ за района на Североизточна България в периода 1979-1995 год. В: Научни трудове на Русенски университет, том 49,серия6.1 Математика, информатика и физика, Русе, Издателски център при РУ''Ангел Кънчев'', 2010, стр. 113-117, ISBN 1311-3321.
  65. Иванова Ж., Ст. Колев, Т. Пенчева. Месечни тенденции в изменение на сумарното количество атмосферен озон над Варна в периода 1979 – 2009 година.. В: Научни Трудове на Русенски университет „Ангел Кънчев”, серия 6.1 Математика, информатика и физика, Русе, България, Печатна база на Русенски университет „Ангел Кънчев, 2011, стр. 92-96, ISBN 1311-3321.
  66. Иванова Ж., Ст. Колев, Т. Пенчева. Определяне на климатични характеристики на озоновия слой над района на Североизточна България от спътникови наблюдения за 30 годишен период.. В: – Научни Трудове на Русенски университет „Ангел Кънчев”, серия 6.1 Математика, информатика и физика., Русе, България, Печатна база на Русенски университет „Ангел Кънчев, 2011, стр. 87-91, ISBN 1311-3321.
  67. Ненков M., Т. Пенчева. Получаване и свойства на покрития от BaTiO3, нанесени чрез йонно разпрашване във вакуум. В: Научни трудове на ВТУ "А. Кънчев" - Русе, т. XXXV, серия 8, Русе, 1994, стр. 83 - 89
  68. Пенчева Т., М. Ангелова. Особености на явлението динамичен оптичен запис във фоторефрактивни среди. В: Трудове на Юбилейна Научна Конфренция на ВУ “Каблешков”, Велико Търново, 1998, стр. 48 - 54
  69. Пенчева Т., М. Ненков, П. Вонева,. Анализ на методите за определяне на показателя на пречупване и дебелината на слабо поглъщащи тънки слоеве. В: Научни трудове на Русенски Университет ”Ангел Кънчев”, том 41, серия 6.1, Русе, 2004, стр. 130 - 134
  70. Пенчева Т., Ненков М. Селективни многослойни огледала. В: Н. Трудове на ВТУ «А. Кънчев» - Русе, т. ХХХV, серия 8, Русе, 1994, стр. 97 – 103
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