Karel Závěta
Publications:
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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).
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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.
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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.
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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.
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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).
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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).
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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).
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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.
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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.
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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).
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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.
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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.
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K. Závěta
Czech scientists in exile and rating institutes of the Academy of Sciences
Čs. čas. fyz. 60 (2010) 178
- 179.
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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.
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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.
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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.
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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).
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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.
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A. Lančok, K. Závěta, C. Savii, K. Barčová
Mössbauer studies of magnetic Fe2O3/SiO2 nanocomposites
Czech. J. Phys. 56 Suppl.E (2006) E101
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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.
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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.
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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
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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.
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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.
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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.
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K. Lachowicz , K. Zaveta , and M. Marysko
Unusual nanogranular systems
J. Magn. Magn. Mater. 262 (2003) 32
- 38.
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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.
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K. Lachowicz , K. Zaveta , and A. Slawska-Waniewska
Magnetic properties of partially devitrified metallic glasses
IEEE Trans. Magn. 38 (2002) 3033 - 3038
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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.
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K. Závěta, A. Kláriková, I. Vávra, V. Kamberský
Mössbauer study of magnetic Fe/FeSi multilayers
Czech. J. Phys. 51 (2001) 685
- 692.
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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
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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
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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.
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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.
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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
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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.
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M. Nejezchleba , Z. Simsa , and K. Zaveta
Magnetic structure of hexagonal ferrites studied by Mossbauer spectroscopy
J. Phys. IV 7 (1997) 345 - 346
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V. Kamberský, Z. Kalva, K. Závěta
Magnetic moments and internal fields in Fe8Ni72P10B10
Acta Phys. Slov. 40 (1990) 214
- 217.
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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.
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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.
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V. Kamberský, Z. Kalva, K. Závěta
A Simple Model of Re-Entrant Magnetism in Amorphous Alloys
phys. status solidi b 143 (1987) 248
- 253.
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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.
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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.
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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
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S. Krupička, K. Závěta
Magnetic Aftereffects in Ferrimagnetic Oxidic Spinels
J. Appl. Phys. 39 (1968) 930
- 938.
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Z. Šimša, K. Závěta
A note on the electrical conductivity in ferrites at low temperatures
Czech. J. Phys. 13 (1963) 471
- 473.