prof. Mgr. Jiří Erhart, Ph.D.

prof. Mgr. Jiří Erhart, Ph.D. QR VCARD
LinePositionDepartmentOffice number
+420 48535 3400EmployeeDepartment of PhysicsC 03029

Publications

  1. J. Erhart, P. Hejsková, Investigating magnetization of permanent magnets by magnetic flux viewing film, Physics education, IOP Publishing Ltd., p. 025023, 11 pages, ISSN: 1361-6552, n. 2, [Online], 2024
  2. V. Bijalwan, J. Kaštyl, V. Prajzler, J. Erhart, V. Pouchlý, K. Maca, (Ba,Ca)(Ti,Zr)O3–CeO2 translucent and opaque ceramics — Optical and electromechanical characteristics, Journal of the European Ceramic Society, Oxford, Elsevier, p. 341–349, 9 pages, ISSN: 0955-2219, n. 2, [Online], 2023
  3. J. Erhart, Měření magnetického dipólového momentu (magnetizace) permanentních magnetů, Matematika–Fyzika–Informatika, Praha, Prometheus, s.r.o., p. 48-56, 9 pages, ISSN: 1805-7705, n. 1, [Online], 2023
  4. Z. Chlup, D. Drdlík, H. Hadraba, O. Ševeček, F. Šiška, J. Erhart, K. Maca, Temperature effect on elastic and fracture behaviour of lead-free piezoceramic BaTiO3, Journal of the European Ceramic Society, OXFORD, Elsevier, p. 1509-1522, 14 pages, ISSN: 0955-2219, n. 4, [Online], 2023
  5. V. Bijalwan, V. Prajzler, J. Erhart, J. Velazquez, D. Galusek, K. Maca, Rapid pressureless sintering of barium titanate–based piezoceramics and their electromechanical harvesting performance, Journal of the American Ceramic Society, HOBOKEN 07030-5774, NJ, WILEY, p. 6886–6897, 12 pages, ISSN: 0002-7820, n. 11, [Online], 2022
  6. V. Bijalwan, J. Erhart, Z. Spotz, D. Sobola, V. Prajzler, P. Tofel, K. Maca, Composition driven (Ba,Ca)(Zr,Ti)O3 lead-free ceramics with large quality factor and energy harvesting characteristics, Journal of the American Ceramic Society, Hoboken, Wiley and Sons, p. 1088-1101, 14 pages, ISSN: 0002-7820, n. 2, [Online], 2021
  7. V. Bijalwan, V. Prajzler, J. Erhart, H. Tan, P. Roupcová, D. Sobola, P. Tofel, K. Maca, Rapid pressure-less and spark plasma sintering of (Ba0.85Ca0.15Zr0.1T0.9)O3 lead-free piezoelectric ceramics, Journal of the European Ceramic Society, Oxford, Elsevier, p. 2514-2523, 10 pages, ISSN: 0955-2219, n. 4, [Online], 2021
  8. S. Salem, K. Fraňa, I. Nová, J. Erhart, Acoustic Energy Harvesting Using Piezo-Electric Materials, 2020 International Youth Conference on Radio Electronics, Electrical and Power Engineering (REEPE), IEEE, ISBN: 978-1-72815-655-2, 6 pages, [Online], 2020
  9. J. Erhart, V. Bijalwan, F. Solař, K. Maca, Derivation of losses from impedance spectrum for contour modes of ceramic resonator, Journal of Asian Ceramic Societies, Abingdon, Taylor and Francis, p. 291-297, 7 pages, ISSN: 2187-0764, n. 2, [Online], 2020
  10. M. Pustka, P. Šidlof, J. Erhart, Method for separating a rod-like or tubular object made of a brittle material, 2020
  11. V. Bijalwan, P. Tofel, Z. Spotz, K. Částková, D. Sobola, J. Erhart, K. Maca, Processing of 0.55(Ba0.9Ca0.1)TiO3-0.45Ba(Sn0.2Ti0.8)O3 lead-free ceramics with high piezoelectricity, Journal of the American Ceramic Society, Hoboken, Wiley and Sons, p. 4611-4624, 14 pages, ISSN: 0002-7820, n. 8, [Online], 2020
  12. V. Bijalwan, P. Tofel, J. Erhart, K. Maca, The complex evaluation of functional properties of nearly dense BCZT ceramics and their dependence on the grain size, Ceramics International, p. 317-326, 10 pages, ISSN: 0272-8842, n. 1, [Online], 2019
  13. P. Holec, J. Valtera, P. Pokorný, O. Baťka, J. Skřivánek, M. Bílek, P. Žabka, J. Beran, P. Mikeš, D. Lukáš, V. Jenčová, E. Kuželová Košťáková, J. Erhart, O. Novák, M. Sivan, Výzkum zpracování lineárních nanovlákenných materiálů pro 2-D a 3-D textilní materiály III, 2019
  14. P. Holec, J. Valtera, P. Pokorný, O. Baťka, M. Bílek, P. Žabka, P. Mikeš, M. Sivan, V. Jenčová, E. Kuželová Košťáková, J. Erhart, J. Beran, D. Lukáš, Výzkum zpracování lineárních nanovlákenných materiálů pro 2-D a 3-D textilní materiály IV, 2019
  15. J. Erhart, P. Půlpán, Width-Extensional Piezoelectric Ceramic Transformer, Journal of Electrical and Electronics Engineering, Oradea, Editura Universitati din Oradea, p. 21-26, 6 pages, ISSN: 1844-6035, n. 2, [Online], 2018
  16. J. Erhart, B. Wodecka-Dus, L. Kozielski, M. Pawelczyk, D. Radoszewska, M. Adamczyk, D. Bochenek, Investigation of La3 doping effect on piezoelectric coefficients of BLT ceramics, Archives of Metallurgy and Materials, Warsaw, Walter de Gruyter GmbH, p. 691-696, 6 pages, ISSN: 2300-1909, n. 2, 2017
  17. J. Erhart, P. Půlpán, M. Pustka, Piezoelectric ceramic resonators, Switzerland, Springer International Publishing, 1, ISBN: 978-3-319-42480-4, 251 pages, 2017
  18. J. Petzelt, V. Janovec, J. Erhart, P. Mokrý, J. Nosek, W. Taylor, Obituary: Jan Fousek (1930-2016), Ferroelectrics 2016, London, Taylor and Francis Group, 5 Howick Palace, London, SW1P 1WG, UK, p. 1-3, 3 pages, ISSN: 1563-5112, n. 12, [Online], 2016
  19. J. Erhart, Transformation and Load Parameters of the Disk Piezoelectric Transformer, IEEE TRANSACTIONS ON POWER ELECTRONICS, PISCATAWAY, IEEE, p. 2437-2442, 6 pages, ISSN: 0885-8993, n. 3, 2016
  20. J. Erhart, Tvarová paměť chytrých materiálů, sborník konference Veletrh nápadů učitelů fyziky, Brno, MUNI a JČMF, 1, ISBN: 978-80-210-8465-0, p. 46-51, 6 pages, [Online], 2016
  21. J. Erhart, Measurement of elastic modulus and ultrasonic wave velocity by piezoelectric resonator, European Journal of Physics, IOP Publishing Ltd., p. 015017, 18 pages, ISSN: 0143-0807, n. 1, [Online], 2015
  22. J. Erhart, Parameters and design optimization of the ring piezoelectric ceramic transformer, Journal of Advanced Dielectrics, World Scientific Publishing Co. Pte Ltd, p. 1550022, 8 pages, ISSN: 2010-135X, n. 3, [Online], 2015
  23. J. Erhart, Bulk piezoelectric ceramic transformers, Advances in Applied Ceramics, ABINGDON, Maney Publishing, p. 91-96, 6 pages, ISSN: 1743-6753, n. 2, [Online], 2013
  24. J. Erhart, Experiments to demonstrate piezoelectric and pyroelectric effects, Physics Education, Institute of Physics, p. 438-447, 10 pages, ISSN: 0031-9120, n. 4, [Online], 2013