Karel Závěta

Publications:

  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
    Mat. Sci. Eng. B 278 (2022) 115627(1) - 115627(13).

  2. 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
    J. Magn. Magn. Mater. 475 (2019) 334 - 344.

  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
    J. Magn. Magn. Mater. 475 (2019) 611 - 619.

  4. Galina Sádovská, Edyta Tabor, Milan Bernauer, Petr Sazama, Vlastimil Fíla, Tomáš Kmječ, Jaroslav Kohout, Karel Závěta, Věnceslava Tokarová and Zdeněk Sobalík
    FeOx/Al2O3 catalysts for high-temperature decomposition of N2O under conditions of NH3 oxidation in nitric acid production
    Catal. Sci. Technol. 8 (2018) 2841 - 2852.

  5. 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
    J. Appl. Phys. 117 (2016) 17B718(1) - 17B718(4).

  6. 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 ε-Fe2O3 nanoparticles
    Hyperfine Interact. 237 (2016) 159(1) - 159(10).

  7. 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
    J. Phys. D-Appl. Phys. 47 (2014) 065503(1) - 065503(11).

  8. E. Pollert , P. Kašpar , K. Závěta , V. Herynek , M. Burian , and P. Jendelová
    Magnetic Nanoparticles for Therapy and Diagnostics
    IEEE Trans. Magn. 49 (2013) 7 - 10.

  9. Pavel Žvátora, Miroslav Veverka, Pavel Veverka, Karel Knížek, Karel Závěta, Emil Pollert, Vladimír Král, Graziella Goglio, Etienne Duguet, Ondřej Kaman
    Influence of surface and finite size effects on the structural and magnetic properties of nanocrystalline lanthanum strontium perovskite manganites
    J. Solid State Chem. 204 (2013) 373 - 379.

  10. M. Veverka, Z. Jirák, O. Kaman, K. Knížek, M. Maryško, E. Pollert, K. Závěta, A. Lančok, M. Dlouhá and S. Vratislav
    Distribution of cations in nanosize and bulk Co-Zn ferrites
    Nanotechnology 22 (2011) 345701(1) - 345701(7).

  11. 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
    Philos. Trans. R. Soc. A-Math. Phys. Eng. Sci. 368 (2010) 4389 - 4405.

  12. M. Veverka, P. Veverka, Z. Jirák, O. Kaman, K. Knížek, M. Maryško, E. Pollert, K. Závěta
    Synthesis and magnetic properties of Co1-xZnxFe2O4+γ nanoparticles as materials for magnetic fluid hyperthermia
    J. Magn. Magn. Mater. 322 (2010) 2386 - 2389.

  13. K. Závěta
    Czech scientists in exile and rating institutes of the Academy of Sciences
    Čs. čas. fyz. 60 (2010) 178 - 179.

  14. 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
    Prog. Solid State Ch. 37 (2009) 1 - 14.

  15. A. Lančok, P. Bezdička, M. Klementová, K. Závěta and C. Savii
    Fe2O3/SiO2 Hybrid Nanocomposites Studied Mainly by Mössbauer Spectroscopy
    Acta Phys. Polon. A 113 (2008) 577 - 581.

  16. 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.

  17. 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).

  18. 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 Interact. 165 (2006) 203 - 208.

  19. A. Lančok, K. Závěta, C. Savii, K. Barčová
    Mössbauer studies of magnetic Fe2O3/SiO2 nanocomposites
    Czech. J. Phys. 56 Suppl.E (2006) E101

  20. 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
    J. Magn. Magn. Mater. 306 (2006) 241 - 247.

  21. J. -L. Rehspringer , S. Vilminot, D. Nižňanský, K. Závěta, C. Estournes and M. Kurmoo
    A temperature and magnetic field dependence Mössbauer study of ε-Fe2O3
    Hyperfine Interact. 166 (2006) 475 - 481.

  22. K. Závěta, A. Lančok, M. Maryško, E. Pollert, D. Horák
    Superparamagnetic properties of γ-Fe2O3 particles: Mössbauer spectroscopy and d.c. magnetic measurements
    Czech. J. Phys. 56 Suppl.E (2006) E83

  23. K. Zaveta , K. Lachowicz , M. Marysko , Z. Arnold , and P. Dluzewski
    Magnetic properties of nanogranular CoxCu1-x structures
    J. Alloy. Compd. 392 (2005) 12 - 19.

  24. K. Lachowicz , K. Zaveta , M. Marysko , and F. Vinai
    Magnetic phases in nanogranular Co-Cu structures
    J. Magn. Magn. Mater. 272-76 (2004) 1521 - 1523.

  25. H. K. Lachowicz, K. Závěta, M. Maryško, F. Vinai
    Magnetic phases in nanogranular Co–Cu structures
    J. Magn. Magn. Mater. 272-276 (2004) 1521 - 1523.

  26. K. Lachowicz , K. Zaveta , and M. Marysko
    Unusual nanogranular systems
    J. Magn. Magn. Mater. 262 (2003) 32 - 38.

  27. K. Lachowicz , K. Zaveta , M. Marysko , and Z. Arnold
    Influence of temperature and pressure on magnetic properties of granular Co-Cu system
    J. Magn. Magn. Mater. 239 (2002) 307 - 309.

  28. K. Lachowicz , K. Zaveta , and A. Slawska-Waniewska
    Magnetic properties of partially devitrified metallic glasses
    IEEE Trans. Magn. 38 (2002) 3033 - 3038

  29. 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
    J. Non-Cryst. Solids 287 (2001) 344 - 348.

  30. K. Závěta, A. Kláriková, I. Vávra, V. Kamberský
    Mössbauer study of magnetic Fe/FeSi multilayers
    Czech. J. Phys. 51 (2001) 685 - 692.

  31. K. Zaveta and 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

  32. K. Zaveta , K. Lachowicz , Z. Arnold , J. Kamarad , and M. Marysko
    Influence of high hydrostatic pressure on magnetic properties of nano-crystallized Co-based metallic glass
    MATER SCI FORUM 373-3 (2001) 185 - 188

  33. K. Zaveta , J. Svab , and J. Kamarad
    Effect of high pressure on the permeability of amorphous and nanocrystalline FINEMET ribbons
    J. Magn. Magn. Mater. 197 (1999) 193 - 195.

  34. K. Závěta, J. Šváb, J. Kamarád
    Effect of high pressure on the permeability of amorphous and nanocrystalline FINEMET ribbons
    J. Magn. Magn. Mater. 196-197 (1999) 193 - 195.

  35. M. Nejezchleba , A. Klarikova , J. Subrt , V. Stengl , K. Zaveta , and M. Marysko
    Formation of hexagonal ferrite particles from the disordered Fe2O3-BaO-B-2-O-3 system
    J. Phys. IV 7 (1997) 537 - 538

  36. M. Nejezchleba, A. Kláriková, J. Šubrt, V. Štengl, K. Závěta, M. Maryško
    Formation of Hexagonal Ferrite Particles from the Disordered Fe2O3-BaO-B2-O3 System
    J. Phys. IV 7 (1997) 537 - 538.

  37. M. Nejezchleba , Z. Simsa , and K. Zaveta
    Magnetic structure of hexagonal ferrites studied by Mossbauer spectroscopy
    J. Phys. IV 7 (1997) 345 - 346

  38. V. Kamberský, Z. Kalva, K. Závěta
    Magnetic moments and internal fields in Fe8Ni72P10B10
    Acta Phys. Slov. 40 (1990) 214 - 217.

  39. K. Závěta, K. Jurek, V. Kamberský, P. Král, H. Lachowicz
    The effect of electron beam current in SEM on the observed domain structure of metallic glasses
    J. Magn. Magn. Mater. 86 (1990) 254 - 260.

  40. K. Závěta, L. Kraus, K. Jurek, V. Kamberský
    Zig-zag domain walls in creep-annealed metallic glass
    J. Magn. Magn. Mater. 73 (1988) 334 - 338.

  41. V. Kamberský, Z. Kalva, K. Závěta
    A Simple Model of Re-Entrant Magnetism in Amorphous Alloys
    phys. status solidi b 143 (1987) 248 - 253.

  42. K. Závěta, Z. Kalva, V. Kamberský, J. Schneider, A. Handstein
    Temperature and field dependence of magnetization in systems with localized moments
    J. Magn. Magn. Mater. 41 (1984) 162 - 164.

  43. K. Závéta, J. Schneider, B. Springmann, E. Kratochvílová, S. Krupička
    Induced anisotropy and time changes of permeability in (CoFe)80B20 metallic glasses
    J. Magn. Magn. Mater. 15-18 (1980) 1427 - 1429.

  44. J. Schneider, K. Závěta, A. Handstein, F. Zounová, V. Nekvasil
    Temperature dependence of the magnetization in amorphous (Fe0.04Ni0.96)80P10B10
    phys. status solidi a 56 (1979) K141

  45. S. Krupička, K. Závěta
    Magnetic Aftereffects in Ferrimagnetic Oxidic Spinels
    J. Appl. Phys. 39 (1968) 930 - 938.

  46. Z. Šimša, K. Závěta
    A note on the electrical conductivity in ferrites at low temperatures
    Czech. J. Phys. 13 (1963) 471 - 473.