logo logo logo

Department of Dielectrics

Institute of Physics of the Czech Academy of Sciences


fig

Dielectric and IR spectroscopy

2019
figfig
D. Nuzhnyy, J. Petzelt, V. Bovtun, S. Kamba, and J. Hlinka,

Soft mode driven local ferroelectric transition in lead-based relaxors

Appl. Phys. Lett. 114, 182901 (2019).
figfig
S. Kamba, V. Goian, F. Kadlec, D. Nuzhnyy, C. Kadlec, J. Vít, F. Borodavka, I. S. Glazkova, and A. A. Belik,

Changes in spin and lattice dynamics induced by magnetic and structural phase transitions in multiferroic SrMn7O12

Phys. Rev. B 99, 184108 (2019).
figfig
J. Peräntie, M. Savinov, T. Kocourek, M. Jelínek, H. Jantunen, A. Dejneka, and M. Tyunina,

Hybrid polar state in epitaxial (111) PbSc0.5Nb0.5O3 relaxor ferroelectric films

Phys. Rev. Materials 3, 014403 (2019).
2018
figfig
J. Vít, F. Kadlec, C. Kadlec, F. Borodavka, Y.S. Chai, K. Zhai, Y. Sun and S. Kamba,

Electromagnon in the Y-type hexaferrite BaSrCoZnFe11AlO22

Phys. Rev. B 97, 134406 (2018).
figfig
M. Savinov, V. Bovtun, E. Tereshina-Chitrova, A. Stupakov, A. Dejneka, and M. Tyunina,

Dielectric relaxation in epitaxial films of paraelectric-magnetic SrTiO3-SrMnO3 solid solution

Appl. Phys. Lett. 112, 052901 (2018).
figfig
M. Retuerto, S. Skiadopoulou, F. Borodavka, C. Kadlec, F. Kadlec, J. Prokleška, Z. Deng, J. A. Alonso, M. T. Fernandez-Diaz, F. O. Saouma, J. I. Jang, D. Legut, S. Kamba, and M. Greenblatt,

Structural and spectroscopic properties of the polar antiferromagnet Ni2MnTeO6

Phys. Rev. B 97, 144418 (2018).
figfig
V. Bovtun, J. Petzelt, M. Kempa, D. Nuzhnyy, M. Savinov, S. Kamba, S. M. M. Yee, and D. A. Crandles,

Wide range dielectric and infrared spectroscopy of (Nb+In) co-doped rutile ceramics

Phys. Rev. Materials 2, 075002 (2018).
figfig
J. Petzelt, D. Nuzhnyy, V. Bovtun, and D.A. Crandles,

Origin of the colossal permittivity of (Nb + In) co-doped rutile ceramics by wide-range dielectric spectroscopy

Phase Transitions 91, 932 (2018).
2017
figfig
S. Kamba, D. Nuzhnyy, M. Savinov, P. Tolédano, V. Laguta, P. Brázda, L. Palatinus, F. Kadlec, F. Borodavka, C. Kadlec, P. Bednyakov, V. Bovtun, M. Kempa, D. Kriegner, J. Drahokoupil, J. Kroupa, J. Prokleška, K. Chapagain, B. Dabrowski, and V. Goian,

Unusual ferroelectric and magnetic phases in multiferroic 2H-BaMnO3 ceramics

Phys. Rev. B 95, 174103 (2017).

figfig
S. Skiadopoulou, F. Borodavka, C. Kadlec, F. Kadlec, M. Retuerto, Z. Deng, M. Greenblatt, and S. Kamba,

Magnetoelectric excitations in multiferroic Ni3TeO6

Phys. Rev. B 95, 184435 (2017).
figfig
D. Nuzhnyy, J. Petzelt, V. Bovtun, M. Kempa, S. Kamba, J. Hlinka, and B. Hehlen,

Infrared, terahertz, and microwave spectroscopy of the soft and central modes in Pb(Mg1/3Nb2/3)O3

Phys. Rev. B 96, 174113 (2017).
figfig
J. Stejskal, P. Bober, M. Trchová, D. Nuzhnyy, V. Bovtun, M. Savinov, J. Petzelt, and J. Prokeš,

Interfaced conducting polymers

Synth. Met. 224, 109 (2017).
figfig
V. Goian, E. Langenberg, N. Marcano, V. Bovtun, l. Maurel, M. Kempa, T. Prokscha, J. Kroupa, P.A. Algarabel, J.A. Pardo, and S. Kamba,

Spin-phonon coupling in epitaxial Sr0.6Ba0.4MnO3 thin films

Phys. Rev. B 95, 075126 (2017).
2016
figfig
S. Skiadopoulou, S. Kamba, J. Drahokoupil, J. Kroupa, N. Deepak, M.E. Pemble, and R. W. Whatmore,

Interesting Evidence for Template-Induced Ferroelectric Behavior in Ultra-Thin Titanium Dioxide Films Grown on (110) Neodymium Gallium Oxide Substrates

Adv. Funct. Mater. 26, 642 (2016).
figfig
V. Goian, F. Kadlec, C. Kadlec, B. Dabrowski, S. Kolesnik, O. Chmaissem, D. Nuzhnyy, M. Kempa, V. Bovtun, M. Savinov, J. Hejtmánek, J. Prokleška, and S. Kamba,

Spectroscopic studies of the ferroelectric and magnetic phase transitions in multiferroic Sr1-xBaxMnO3

J. Phys.-Condens. Mat. 28, 1 (2016).
figfig
C. Filipič, Z. Kutnjak, R. Pirc, G. Canu, and J. Petzelt

BaZr0.5Ti0.5O3: Lead-free relaxor ferroelectric or dipolar glass

Phys. Rev. B 93, 224105 ()2016).
figfig
D. A. Crandles, S. M. M. Yee, M. Savinov, D. Nuzhnyy, J. Petzelt, S. Kamba, and J. Prokeš,

Electrode effects in dielectric spectroscopy measurements on (Nb+In) co-doped TiO2

J. Appl. Phys. 119, 154105 (2016).
figfig
J. Petzelt nad S. Kamba,

Far infrared and terahertz spectroscopy of ferroelectric soft modes in thin films: A review

Ferroelectrics 503, 19 (2016),
arXiv:1602.05715 [cond-mat.mtrl-sci].
2015
figfig
S. Skiadopoulou, V. Goian, C. Kadlec, F. Kadlec, X. F. Bai, I. C. Infante, B. Dkhil, C. Adamo, D. G. Schlom, and S. Kamba,

Spin and lattice excitations of a BiFeO3 thin film and ceramics

Phys. Rev. B 91, 174108 (2015).
figfig
D. Nuzhnyy, J. Petzelt, I. Rychetský, M. Trchová, and J. Stejskal,

High-frequency dielectric response of polyaniline pellets as nanocomposites of metallic emeraldine salt and dielectric base

Synthetic Metals 209, 561 (2015).
figfig
J. Petzelt, D. Nuzhnyy, V. Bovtun, M. Kempa, M. Savinov, S. Kamba, and J. Hlinka,

Lattice dynamics and dielectric spectroscopy of BZT and NBT leadfree perovskite relaxors - comparison with lead-based relaxors

Phase Transitions 88, 320 (2015).
2014
figfig
S. Kamba, V. Goian, V. Skoromets, J. Hejtmanek, V. Bovtun, M. Kempa, F. Borodavka, P. Vanek, A. A. Belik, J. H. Lee, O. Pacherova, and K. M. Rabe,

Strong spin-phonon coupling in infrared and Raman spectra of SrMnO3

Phys. Rev. B 89, 064308 (2014).
figfig
V. Goian, S. Kamba, N. Orloff, T. Birol, C.H. Lee, D. Nuzhnyy, J.C. Booth, M. Bernhagen, R. Uecker, and D.G. Schlom,

Influence of the central mode and soft phonon on the microwave dielectric loss near the strain-induced ferroelectric phase transitions in Srn+1TinO3n+1

Phys. Rev. B 90, 174105 (2014).
figfig
D. Wang, J. Hlinka, A.A. Bokov, Z.-G. Ye, P. Ondrejkovic, J. Petzelt, and L. Bellaiche,

Fano resonance and dipolar relaxation in lead-free relaxors

Nat. Commun. 5, 5100 (2014).
figfig
D. Nuzhnyy, J. Petzelt, I. Rychetsky, and G. Trefalt,

Effective dielectric function of porous Pb(Mg1/3Nb2/3)O3 ceramics

Phys. Rev. B 89, 214307 (2014).
figfig
D Nuzhnyy, E Buixaderas, I Rychetsky, C Kadlec, J Petzelt, H Uršič, and B Malič,

Percolation in the dielectric function of Pb(Zr,Ti)O3 – Pb2Ru2O6.5 ferroelectric – metal composites

J. Phys. D: Appl. Phys 47, 495301 (2014).
2013
figfig
CH-H. Lee, N.D. Orloff, T. Birol, Y. Zhu, V. Goian, E. Rocas, R. Haislmaier, E. Vlahos, J.A. Mundy, L.F. Kourkoutis, Y. Nie, M.D. Biegalski, J. Zhang, M. Bernhagen, N.A. Benedek, Y. Kim, J.D. Brock, R. Uecker, X.X. Xi, V. Gopalan, D. Nuzhnyy, S. Kamba, D.A. Muller, I. Takeuchi, J. C. Booth, C. J. Fennie, and D.G. Schlom,

Exploiting dimensionality and defect mitigation to create tunable microwave dielectrics

Nature 502, 532 (2013).
figfig
J. Petzelt, D. Nuzhnyy, V. Bovtun, M. Savinov, M. Kempa, and I. Rychetsky,

Broadband dielectric and conductivity spectroscopy of inhomogeneous and composite conductors

Phys. Status Solidi A 210, 2259 (2013).
figfig
D. Nuzhnyy, M. Savinov, V. Bovtun, M. Kempa, J. Petzelt, B. Mayoral, and T. McNally,

Broad-band conductivity and dielectric spectroscopy of composites of multiwalled carbon nanotubes and poly(ethylene terephthalate) around their low percolation threshold

Nanotechnology 24, 055707( (2013).
2012 and older
figfig
V. Goian, S. Kamba, O. Pacherová, J. Drahokoupil, L. Palatinus, M. Dušek, J. Rohlícek, M. Savinov, F. Laufek, W. Schranz, A. Fuith, M. Kachlík, K. Maca, A. Shkabko, L. Sagarna, A. Weidenkaff, and A. Belik,

Antiferrodistortive phase transition in EuTiO3

Phys. Rev. B 86, 054112 (2012).
figfig
S. Kamba, V. Goian, M. Orlita, D. Nuzhnyy, J.H. Lee, D.G. Schlom, K.Z. Rushchanskii, M. Ležaic, T. Birol, C.J. Fennie, P. Gemeiner, B. Dkhil, V. Bovtun, M. Kempa, J. Hlinka, and J. Petzelt,

Magnetodielectric coupling and phonon properties of compressively strained EuTiO3 thin films deposited on LSAT

Phys. Rev. B 85, 094435 (2012).
figfig
D. Nuzhnyy, J. Petzelt, M. Savinov, T. Ostapchuk, V. Bovtun, M. Kempa, J. Hlinka, V. Buscaglia, M. T. Buscaglia, and P. Nanni,

Broadband dielectric response of Ba(Zr,Ti)O3 ceramics: From incipient via relaxor and diffuse up to classical ferroelectric behavior

Phys. Rev. B 86, 014106 (2012).
figfig
J. Petzelt, I. Rychetsky, and D. Nuzhnyy,

Dynamic Ferroelectric–Like Softening Due to the Conduction in Disordered and Inhomogeneous Systems: Giant Permittivity Phenomena

Ferroelectrics 426, 171, (2012).
figfig
V. Bovtun, V. Pashkov, M. Kempa, S. Kamba, A. Eremenko,V. Molchanov, Y. Poplavko, Y. Yakymenko, J.H. Lee, and D.G. Schlom,

An Electrode-Free Method of Characterizing the Microwave Dielectric Properties of High-Permittivity Thin Films

J. Appl. Phys. 109, 024106 (2011).
figfig
K.Z. Rushchanskii, S. Kamba, V. Goian, P. Vanek, M. Savinov, J. Prokleška, D. Nuzhnyy, K. Knížek, F. Laufek, S. Eckel, S.K. Lamoreaux, A.O. Sushkov, M. Ležaic, and N.A. Spaldin,

A multiferroic material to search for the permanent electric dipole moment of the electron

Nature Mater. 9, 649 (2010).