K
Krystian Roleder
Researcher at University of Silesia in Katowice
Publications - 155
Citations - 3264
Krystian Roleder is an academic researcher from University of Silesia in Katowice. The author has contributed to research in topics: Phase transition & Dielectric. The author has an hindex of 27, co-authored 142 publications receiving 2704 citations. Previous affiliations of Krystian Roleder include Silesian University & Metz.
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Journal ArticleDOI
The origin of antiferroelectricity in PbZrO3
Alexander K. Tagantsev,Kaushik Vaideeswaran,Sergey Vakhrushev,Alexey Filimonov,R. G. Burkovsky,R. G. Burkovsky,A. P. Shaganov,Daria Andronikova,A. I. Rudskoy,Alfred Q. R. Baron,Hiroshi Uchiyama,Dmitry Chernyshov,Alexei Bosak,Z. Ujma,Krystian Roleder,Andrzej Majchrowski,Jae-Hyeon Ko,Nava Setter +17 more
TL;DR: This work reports the results of a study on the lattice dynamics of the antiferroelectric lead zirconate using inelastic and diffuse X-ray scattering techniques and the Brillouin light scattering, and suggests an approach to the treatment of complex phase transitions in ferroics.
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Electrostrictive strain and pyroeffect in the region of phase coexistence in Na0.5Bi0.5TiO3
TL;DR: In this article, the pyroeffect in virgin Na0.5Bi 0.5TiO3 single crystals reveals the existence of polar microregions, known from other experiments as a region of coexistence of phases.
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Infrared, Raman and high-frequency dielectric spectroscopy and the phase transitions in Na1/2Bi1/2TiO3
Jan Petzelt,Stanislav Kamba,J Fábry,D. Noujni,V. Porokhonskyy,Alexej Pashkin,I. Franke,Krystian Roleder,Jan Suchanicz,R. S. Klein,G E Kugel +10 more
TL;DR: In this paper, a broad phonon spectra and the frequency independent dielectric losses at low temperatures are compatible with the existence of nanoscopic polar regions and disorder to liquid He temperatures similar to relaxor ferroelectrics.
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Ferroelectric translational antiphase boundaries in nonpolar materials.
Xian-Kui Wei,Alexander K. Tagantsev,Alexander Kvasov,Krystian Roleder,Chun-Lin Jia,Nava Setter +5 more
TL;DR: It is shown first that antiphase boundaries in antiferroelectrics may possess ferroelectricity, then identified and evidence their polarity by electron microscopy using negative spherical-aberration imaging technique and ab initio modelling confirms the polar bi-stable nature of the walls.
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A Re-investigation of the Crystal Structure of the Perovskite PbZrO3 by X-ray and Neutron Diffraction
TL;DR: In this paper, the crystal structure of the perovskite lead zirconate PbZrO3 has been determined using single-crystal X-ray diffraction (Mo Kα radiation, λ = 0.71069 A).