Ing. Petr Ondrejkovič, Ph.D.

Kategorie

Věd. pracovník

Sekce (číslo)

Sekce fyziky kondenzovaných látek (2)

Oddělení (číslo)

Oddělení dielektrik (12)

Laboratoř / vědecká skupina

Spektroskopie rozptylu světla a neutronů (1204)

Telefon

266 05 2980

E-mail

ondrejko [at] fzu.cz

Lokalita

SOLID21

Místnost

1.17

V. Goian, F. Borodavka, D. Repček, M. Savinov, M. Míšek, J. Kaštil, V. Skoromets, P. Ondrejkovič, J. Petzelt, J. Hlinka, P. Kužel, S. Kamba
Single ferroelectric phase transition in tris-sarcosine calcium chloride
Physical Review B 108 (2023) 224101(1)-224101(12).
A. V. Es’kov, A. S. Anokhin, O. V. Pakhomov, A. Kholkin, A. Tselev, P. Ondrejkovič
Influence of voltage amplitude parameters on the electrocaloric response in ferroelectric materials
Ferroelectrics 591 (2022) 43-50.
F. Mayer, M. N. Popov, P. Ondrejkovič, J. Hlinka, J. Spitaler, M. Deluca
Finite-temperature investigation of homovalent and heterovalent substituted BaTiO₃ from first principles
Physical Review B 106 (2022) 224109(1)-224109(11).
Z. An, S. Xie, P. Ondrejkovič, P. Márton, E. de Prado, H. Yokota, W. Ren, Z.-G. Ye, A. M. Glazer, M. Paściak, N. Zhang
Phase transition hysteresis at the antiferroelectric-ferroelectric boundary in PbZr_1-xTi_xO₃
Physical Review B 106 (2022) 224103(1)-224103(12).
M. Hadjimichael, Y. Li, E. Zatterin, G. A. Chahine, M. Conroy, K. Moore, E. N. O’ Connell, P. Ondrejkovič, P. Márton, J. Hlinka, U. Bangert, S. Leake, P. Zubko
Metal-ferroelectric supercrystals with periodically curved metallic layers
Nature Materials 20 (2021) 495-502.
A. S. Everhardt, T. Denneulin, A. Gruenebohm, Y.-T. Shao, P. Ondrejkovič, S. Zhou, N. Domingo, G. Catalan, J. Hlinka, J.-M. Zuo, S. Matzen, B. Noheda
Temperature-independent giant dielectric response in transitional BaTiO₃ thin films
Applied Physics Reviews 7 (2020) 011402(1)-011402(8).
P. Ondrejkovič, P. Márton, V. Stepkova, J. Hlinka
Fundamental properties of ferroelectric domain walls from Ginzburg-Landau models
Chapter 4 in Domain Walls: From Fundamental Properties to Nanotechnology Concepts, edited by Dennis Meier, Jan Seidel, Marty Gregg, and Ramamoorthy Ramesh, Series on Semiconductor Science and Technology, Oxford University Press, 2020, pp. 76-108.
M. Paściak, P. Ondrejkovič, J. Kulda, P. Vaněk, G. Steciuk, L. Palatinus, T. R. Welberry, H. E. Fischer, J. Hlinka, E. Buixaderas
Local structure of relaxor ferroelectric Sr_xBa_1-xNb₂O₆ from a pair distribution function analysis
Physical Review B 99 (2019) 104102(1)-104102(12).
K. Tesař, I. Gregora, P. Bérešová, P. Vaněk, P. Ondrejkovič, J. Hlinka
Raman scattering yields cubic crystal grain orientation
Scientific Reports 9 (2019) 9385(1)-9385(8).
J. Hlinka, P. Ondrejkovič
Skyrmions in ferroelectric materials
Chapter 4 in Recent Advances in Topological Ferroics and their Dynamics, edited by Robert L. Stamps, Helmut Schultheiß, in series Solid State Physics, Vol. 70, Academic Press, 2019, pp. 143-169.
E. Buixaderas, P. Bérešová, P. Ondrejkovič, P. Vaněk, M. Savinov, P. Bednyakov, J. Dec, D. Mareš, M. Ševčík, M. Landa
Acoustic phonons in unfilled tetragonal tungsten-bronze crystals
Phase Transitions 91 (2018) 976-983.
M. Paściak, M. Kopecký, J. Kub, J. Fábry, J. Dec, P. Ondrejkovič, J. Hlinka, E. Buixaderas
X-ray diffuse scattering observations for Sr_xBa_1-xNb₂O₆ single crystals with x=0.35 and 0.81
Phase Transitions 91 (2018) 969-975.
Z. Dočekalová, P. Márton, P. Ondrejkovič, J. Hlinka
Far-infrared reflectivity spectra of nanotwinned GaV₄Se₈
Phase Transitions 91 (2018) 942-952.
E. Neuber, P. Milde, A. Butykai, S. Bordacs, H. Nakamura, T. Waki, Y. Tabata, K. Geirhos, P. Lunkenheimer, I. Kézsmárki, P. Ondrejkovič, J. Hlinka, M. Eng
Architecture of nanoscale ferroelectric domains in GaMo₄S₈
Journal of Physics: Condensed Matter 30 (2018) 445402(1)-445402(9).
J. Hlinka, V. Stepkova, P. Márton, P. Ondrejkovič
Ferroelectric Domain Walls and their Intersections in Phase-Field Simulations
Chapter 7 Ferroelectric Domain Walls and their Intersections in Phase-Field Simulations, eds. J. Seidel, Topological Structures in Ferroic Materials. Springer Series in Materials Science, vol. 228, 2016, pp.161-180.
J. Hlinka, J. Přívratská, P. Ondrejkovič, V. Janovec
Symmetry Guide to Ferroaxial Transitions
Physical Review Letters 116 (2016) 177602(1) -177602(6) .
P. Ondrejkovič, M. Kempa, M. Savinov, P. Bednyakov, J. Kulda, P. Bourges, J. Dec, J. Hlinka
Electric-field influence on the neutron diffuse scattering near the ferroelectric transition of Sr_0.61Ba_0.39Nb₂O₆
Phase Transitions 89 (2016) 808-815.
D. Wang, J. Hlinka, A.A. Bokov, Z.-G. Ye, P. Ondrejkovič, J. Petzelt, L. Bellaiche
Fano resonance and dipolar relaxation in lead-free relaxors
Nature Communications 5 (2014) 5100(1)-5100(8).
M. Kempa, P. Ondrejkovič, P. Bourges, P. Márton, J. Hlinka
Lattice dynamics of NaI studied by inelastic neutron scattering: Absence of thermally induced discrete breathers
Physical Review B 89 (2014) 054308(1)-054308(5).
P. Ondrejkovič, M. Kempa, J. Kulda, B. Frick, M. Appel, J. Combet, J. Dec, T. Lukasiewicz, J. Hlinka
Dynamics of Nanoscale Polarization Fluctuations in a Uniaxial Relaxor
Physical Review Letters 113 (2014) 167601(1)-167601(5).
M. Kempa, P. Ondrejkovič, P. Bourges, J. Ollivier, S. Rols, J. Kulda, S. Margueron, J. Hlinka
The temperature dependence of the phononic band gap of NaI
Journal of Physics: Condensed Matter 25 (2013) 055403(1)-055403(2).
P. Ondrejkovič, M. Guennou, M. Kempa, Y. Vysochanskii, G. Garbarino, J. Hlinka
An x-ray scattering study of Sn₂P₂S₆: absence of incommensurate phase up to 1 GPa
Journal of Physics: Condensed Matter 25 (2013) 115901(1)-115901(5).
P. Ondrejkovič, P. Márton, M. Guennou, N. Setter, J. Hlinka
Piezoelectric properties of twinned ferroelectric perovskites with head-to-head and tail-to-tail domain walls
Physical Review B 88 (2013) 024114(1)-024114(9).
Michaela Janovská, P. Sedlák, H. Seiner, M. Landa, P. Márton, P. Ondrejkovič, J. Hlinka
Anisotropic elasticity of DyScO₃ substrates
Journal of Physics: Condensed Matter 24 (2012) 385404(1)-385404(8).
P. Ondrejkovič, M. Kempa, Y. Vysochanskii, P. Saint-Gregoire, P. Bourges, K. Z. Rushchanskii, J. Hlinka
Neutron scattering study of ferroelectric Sn₂P₂S₆ under pressure
Physical Review B 86 (2012) 224106(1)-224106(8).
M. Kempa, P. Ondrejkovič, J. Ollivier, S. Rols, J. Kulda, S. Margueron, M. Fernandez, J. Hlinka
Search for Light-Induced Intrinsic Localized Modes: Negative Result
Ferroelectrics 440 (2012) 42-46.
P. Ondrejkovič, J. Hlinka, M. Kempa, J. Kulda, H. Luo, Q. Zhang
Inelastic neutron scattering study of lead-free relaxor ferroelectric (Na_0.5Bi_0.5)_0.96Ba_0.04TiO₃ single crystal
Phase Transitions 84 (2011) 829-836.
J. Hlinka, P. Ondrejkovič, M. Kempa, E. Borissenko, M. Krisch, X. Long, Z.-G. Ye
Soft antiferroelectric fluctuations in morphotropic PbZr_1-xTi_xO₃ single crystals as evidenced by inelastic x-ray scattering
Physical Review B 83 (2011) 140101-1-140101-4.
J. Hlinka, V. Stepkova, P. Márton, I. Rychetský, V. Janovec, P. Ondrejkovič
Phase-field modelling of 180 degree “Bloch walls” in rhombohedral BaTiO₃
Phase Transitions 84 (2011) 738-746.
I. Gregora, P. Ondrejkovič, E. Simon, M. Berta, M. Savinov, J. Hlinka, H. Luo, Q. Zhang
Raman Spectroscopy Study of Na_1/2Bi_1/2TiO₃-BaTiO₃ Lead-Free Single Crystal Relaxor Piezoelectrics
Ferroelectrics 404 (2010) 220-225.
J. Hlinka, P. Ondrejkovič, P. Márton
The piezoelectric response of nanotwinned BaTiO₃
Nanotechnology 20 (2009) 105709(1)-105709(7).

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