RNDr. Karel Závěta, CSc.

Emeritní vědecký pracovník
Kategorie
Věd. pracovník
Sekce (číslo)
Oddělení (číslo)
Telefon
221912770, 220 318 632
E-mail
zaveta [at] fzu.cz
Lokalita
MFF UK Troja, Cukrovarnická
Místnost
L 008
L 158
A 28
  1. T. Kmječ, M. Adamec, D. Kubániová, B. Argymbek, J. Plocek, M. Dopita, P. Cejpek, V. Chlan, J. Hraníček, S. E. Kichanov, K. Závěta, B. Detlefs, M. Cesnek, M. Veverka, H. Štěpánková, J. Kohout
    Magnetic phase diagram, phase transitions, and cation distribution in Pb1-xBax(Fe0.5Nb0.5)O3 perovskites
    Materials Science and Engineering B 278 (2022) 115627(1)-115627(13).
  2. Pavel Ripka, K. Závěta
    Magnetic sensors and magnetometers,second edition - chapter: "Basics"
    Magnetic sensors and magnetometers,second edition - chapter: "Basics"
  3. D. Kubániová, L. Kubíčková, T. Kmječ, K. Závěta, D. Nižňanský, P. Brázda, M. Klementová, J. Kohout
    Hematite: Morin temperature of nanoparticles with different size
    Journal of Magnetism and Magnetic Materials 475 (2019) 611-619.
  4. T. Kmjec, M. Adamec, D. Kubaniová, J. Plocek, M. Dopita, M. Cesnek, V. Chlan, J. Bednarcik, K. Závěta, M. Maryško, J. Kohout
    57Fe-enriched perovskites M(Fe0.5Nb0.5)O3 (M – Pb, Ba) studied by Mössbauer spectroscopy, NMR and XRD in the wide temperature range 4.2–533 K
    Journal of Magnetism and Magnetic Materials 475 (2019) 334-344.
  5. Galina Sádovská, Edyta Tabor, Milan Bernauer, Petr Sazama, Vlastimil Fíla, Tomáš Kmječ, Jaroslav Kohout, K. Závěta, Věnceslava Tokarová, Zdeněk Sobalík
    FeOx/Al2O3 catalysts for high-temperature decomposition of N2O under conditions of NH3 oxidation in nitric acid production
    Catalysis Science & Technology 8 (2018) 2841-2852.
  6. T. Kmječ, J. Kohout, J. Lančok, P. Fitl, A. Lančok, O. Schneeweis, K. Závěta
    The Fe-Au Interface: Hyperfine Interactions of Fe-57 by Mossbauer Transmission and Conversion Electron Spectroscopy
    Conference: 12th Colloquium on Mossbauer Spectroscopy in Materials Science (MSMS), Location: Liptovsky Jan, SLOVAKIA, Date: MAY 23-27, 2016 Edited:J. Tucek, M. Miglierini, pp. 020004-1 - 020004-5 Mossbauer Spectroscopy in Materials Science - 2016 Book Series: AIP Conference Proceedings Volume: 1781, Article Number: UNSP 020004
  7. L. Kubíčková, J. Kohout, P. Brázda, M. Veverka, T. Kmječ, D. Kubániová, P. Bezdička, M. Klementová, E. Šantavá, K. Závěta
    Impact of silica environment on hyperfine interactions in $\varepsilon$-Fe2O3 nanoparticles
    Hyperfine Interactions 237 (2016) 159(1)-159(10).
  8. J. Kohout, P. Kříšťan, D. Kubániová, T. Kmječ, K. Závěta, H. Štěpánková, A. Lančok, L. Sklenka, P. Matúš, M. B. Miglierini
    Low temperature behavior of hyperfine fields in amorphous and nanocrystalline FeMoCuB
    Journal of Applied Physics 117 (2016) 17B718(1)-17B718(4).
  9. M. Veverka, K. Závěta, O. Kaman, P. Veverka, K. Knížek, E. Pollert, M. Burian, P. Kašpar
    Magnetic heating by silica-coated Co–Zn ferrite particles
    Journal of Physics D: Applied Physics 47 (2014) 065503(1)-065503(11).
  10. Pavel Žvátora, Miroslav Veverka, P. Veverka, K. Knížek, K. Závěta, Emil Pollert, Vladimír Král, Graziella Goglio, Etienne Duguet, O. Kaman
    Influence of surface and finite size effects on the structural and magnetic properties of nanocrystalline lanthanum strontium perovskite manganites
    Journal of Solid State Chemistry 204 (2013) 373-379.
  11. E. Pollert, P.Kašpar, K. Závěta, V. Herynek, M.Burian, P. Jendelová
    Magnetic Nanoparticles for Therapy and Diagnostics
    IEEE Transactions on Magnetics 49 (2013) 7-10.
  12. K. Závěta, J. Kohout, A. Lančok
    Rudolf Ludwig Mössbauer - his life, effect and spectroscopy
    Československý časopis pro fyziku 62 (2012) 51-61.
  13. Z. Sobalík, E. Tabor, J. Nováková, N.K. Sathu, K. Závěta
    Role of active oxygen and NOx species in N20 decomposition over Fe-ferrierite
    Journal of Catalysis 289 (2012) 164-170.
  14. E. Pollert, K. Závěta
    Nanocrystalline oxides in magnetic fluid hyperthermia
    Magnetic Nanoparticles: from Fabrication to Clinical Applications
  15. E. Tabor, K. Závěta, N.K. Sathu, Z. Tvarůžková, Z. Sobalík
    Characterization of iron cationic sites in ferrierite using Mössbauer spectroscopy
    Catalysis Today 169 (2011) 16-23.
  16. E. Tabor, K. Závěta, N.K. Sathu, A. Vondrová, P. Sazama, Z. Sobalík
    N20 decomposition over Fe-FER: A Mössbauer study of the active sites
    Catalysis Today 175 (2011) 238-244.
  17. M. Veverka, Z. Jirák, O. Kaman, K. Knížek, M. Maryško, E. Pollert, K. Závěta, A. Lančok, M. Dlouhá, S. Vratislav
    Distribution of cations in nanosize and bulk Co-Zn ferrites
    Nanotechnology 22 (2011) 345701(1)-345701(7).
  18. K. Závěta
    Czech scientists in exile and rating institutes of the Academy of Sciences
    Československý časopis pro fyziku 60 (2010) 178-179.
  19. M. Veverka, P. Veverka, Z. Jirák, O. Kaman, K. Knížek, M. Maryško, E. Pollert, K. Závěta
    Synthesis and magnetic properties of Co1-xZnxFe2O4+$\gamma$ nanoparticles as materials for magnetic fluid hyperthermia
    Journal of Magnetism and Magnetic Materials 322 (2010) 2386-2389.
  20. E. Pollert, O. Kaman, P. Veverka, M. Veverka, M. Maryško, K. Závěta, M. Kačenka, I. Lukeš, P. Jendelová, P. Kašpar, M. Burian, V. Herynek
    Core-shell La1-xSrxMnO3 nanoparticles as colloidal mediators for magnetic fluid hyperthermia
    Philosophical Transactions of the Royal Society A 368 (2010) 4389-4405.
  21. E. Pollert, P. Veverka, M. Veverka, O. Kaman, K. Závěta, S. Vasseur, R. Epherre, G. Goglio, E. Duguet
    Search of new core materials for magnetic fluid hyperthermia: Preliminary chemical and physical issues
    Progress in Solid State Chemistry 37 (2009) 1-14.
  22. P. Ripka, K. Závěta
    Magnetic Sensors: Principles and Applications
    Handbook of Magnetic Materials 18 (2009) 347-421 Ed.K.H.J. Buschow, Elsevier B.V. 2010
  23. P. Veverka, E. Pollert, K. Závěta, S. Vasseur, E. Duguet
    Sr-hexaferrite/maghemite composite nanoparticles - possible new mediators for magnetic hyperthermia
    Nanotechnology 19 (2008) 215705-215711.
  24. S. Kamba, D. Nužnyj, R. Nechache, K. Závěta, D. Nižňanský, E. Šantavá, C. Harnagea, A. Pignolet
    Infrared and magnetic characterization of multiferroic Bi2FeCrO6 thin films over a broad temperature range
    Physical Review B 77 (2008) 104111(1)-104111(7).
  25. A. Lančok, K. Závěta, T. Kaňuch, M Miglierini, J. Lančok, K. Postava, J. Kohout, O. Životský, F. Fendrych
    Studies and Magnetic Properties of FeCoAlN Nanocomposite Films
    Hyperfine Interactions 183 (2008) 171-177.
  26. A. Lančok, P. Bezdička, M. Klementová, K. Závěta, C. Savii
    Fe2O3/SiO2 Hybrid Nanocomposites Studied Mainly by Mössbauer Spectroscopy
    Acta Physica Polonica A 113 (2008) 577-581.
  27. M. Veverka, P. Veverka, O. Kaman, A. Lančok, K. Závěta, E. Pollert, K. Knížek, J.Boháček, M. Beneš, P. Kašpar, E. Duguet, S. Vasseur
    Magnetic heating by cobalt ferrite nanoparticles
    Nanotechnology 18 (2007) 345704(1)-345704(7).
  28. E. Pollert, K. Knížek, M. Maryško, K. Závěta, A. Lančok, J. Boháček, D. Horák, M. Babič
    Magnetic poly(glycidyl methacrylate) microspheres containing maghemite prepared by emulsion polymerization
    Journal of Magnetism and Magnetic Materials 306 (2006) 241-247.
  29. K. Závěta, A. Lančok, M. Maryško, E. Pollert, D. Horák
    Superparamagnetic properties of $\gamma$-Fe2O3 particles: Mössbauer spectroscopy and d.c. magnetic measurements
    Czechoslovak Journal of Physics 56 Suppl.E (2006) E83-E91.
  30. A. Lančok, K. Závěta, C. Savii, K. Barčová
    Mössbauer studies of magnetic Fe2O3/SiO2 nanocomposites
    Czechoslovak Journal of Physics 56 Suppl.E (2006) E101-E108.
  31. J.-L. Rehspringer, S. Vilminot, D. Nižňanský, K. Závěta, C. Estournes, M. Kurmoo
    A temperature and magnetic field dependence Mössbauer study of $\varepsilon$-Fe2O3
    Hyperfine Interactions 166 (2006) 475-481.
  32. A. Lančok, K. Závěta, M. Popovici, C. Savii, M. Gich, A. Roig, E. Molins, K. Barčová
    Mössbauer studies on ultraporous Fe-Oxide/SiO2 aerogel
    Hyperfine Interactions 165 (2006) 203-208.
  33. K. Závěta, K. Lachowicz, M. Maryško, Z. Arnold, P. Dluzewski
    Magnetic properties of nanogranular CoxCu1-x structures
    Journal of Alloys and Compounds 392 (2005) 12-19.
  34. K. Lachowicz, K. Závěta, M. Maryško, F. Vinai
    Magnetic phases in nanogranular Co-Cu structures
    J. Magn. Magn. Mater. 272-76 (2004) 1521 - 1523
  35. H. K. Lachowicz, K. Závěta, M. Maryško, F. Vinai
    Magnetic phases in nanogranular Co–Cu structures
    Journal of Magnetism and Magnetic Materials 272-276 (2004) 1521-1523.
  36. K. Lachowicz, K. Závěta, M. Maryško
    Unusual nanogranular systems
    J. Magn. Magn. Mater. 262 (2003) 32 - 38
  37. K. Lachowicz, K. Závěta, A. Slawska-Waniewska
    Magnetic properties of partially devitrified metallic glasses
    IEEE Trans. Magn. 38 (2002) 3033 - 3038
  38. K. Lachowicz, K. Závěta, M. Maryško, Z. Arnold
    Influence of temperature and pressure on magnetic properties of granular Co-Cu system
    J. Magn. Magn. Mater. 239 (2002) 307 - 309
  39. H.K. Lachowicz, K. Závěta
    Hydrostatic pressure experiments with granular Co-Cu alloys
    Journal of Alloys and Compounds 335 (2002) 9-15.
  40. H.K. Lachowicz, K. Závěta, A. Slawska-Waniewska
    Magnetic properties of partially devitrified metallic glasses
    IEEE Transactions on Magnetics 38 (2002) 3033-3038.
  41. K. Závěta, K. Lachowicz, Z. Arnold, J. Kamarád, M. Maryško
    Influence of high hydrostatic pressure on magnetic properties of nano-crystallized Co-based metallic glass
    MATER SCI FORUM 373-3 (2001) 185 - 188
  42. E.-G. Caspary, K. Závěta, T. Grygar
    The solid solutions of Li2Mn4O8-Li1Fe5O8
    Czechoslovak Journal of Physics 51 (2001) 743-748.
  43. H.K. Lachowicz, K. Závěta, Z. Arnold, J. Kamarád, M. Maryško
    The effect of hydrostatic pressure on magnetic properties of partially crystallized Co-based amorphous alloy
    Journal of Non-Crystalline Solids 287 (2001) 344-348.
  44. K. Závěta, A. Lančok, I. Vávra, V. Kamberský
    Mössbauer study of magnetic Fe/FeSi multilayers
    Czechoslovak Journal of Physics 51 (2001) 685-692.
  45. K. Závěta, H.K. Lachowicz
    Magnetic properties of partially devitrified Co-based metallic glass under high hydrostatic pressures
    Philosophical Magazine B 81 (2001) 1175-1189.
  46. K. Závěta, K. Lachowicz
    Magnetic properties of partially devitrified Co-based metallic glass under high hydrostatic pressures
    Philos. Mag. B-Phys. Condens. Matter Stat. Mech. Electron. Opt. Magn. Prop. 81 (2001) 1175 - 1189
  47. A. Lančok, K. Závěta, S. Vratislav, P. Bezdička, I. Paseka
    Dependence of the magnetic moment of iron nitrides on the presence of defect phase
    Journal of Magnetism and Magnetic Materials 215-216 (2000) 30-32.
  48. K. Závěta, J. Svab, J. Kamarád
    Effect of high pressure on the permeability of amorphous and nanocrystalline FINEMET ribbons
    J. Magn. Magn. Mater. 197 (1999) 193 - 195
  49. K. Závěta, J. Šváb, J. Kamarád
    Effect of high pressure on the permeability of amorphous and nanocrystalline FINEMET ribbons
    Journal of Magnetism and Magnetic Materials 196-197 (1999) 193-195.
  50. V. Soyka, L. Kraus, K. Závěta, K. Jurek
    Magnetoelastic properties of stress/field annealed Fe80Cr2B14Si14 amorphous alloy
    Journal of Magnetism and Magnetic Materials 196-197 (1999) 262-263.