Subterahertz collective dynamics of polar vortices
An artist take on the 'whirling' vibrational mode revealed in the polar vortex structure of PbTiO3/SrTiO3 superlattices [Nature 592, 376 (2021)] to highlight the front cover of the April issue of Nature.
Perovskites and other Framework Structure Materials
E. Buixaderas in collaboration with Prof. J. Dec contributed with the chapter: “Phonons and relaxations in unfilled tetragonal tungsten-bronzes” to a new book titled "Perovskites and other Framework Structure Materials: new trends and perspectives", published by Collaborating Academics IP, France.
Special Issue on the Contributions of Women in Ferroelectrics Research
Impressive schematic of the crystal structure of the tetragonal tungsten-bronze family made by Elena Buixaderas has been selected for the front cover in the IEEE TUFFC Special Issue on the Contributions of Women in Ferroelectrics Research and Development.
From superlattices to supercrystals
Researchers from Department of Dielectrics, in a world-wide collaboration led by Dr. Pavlo Zubko from University College London, have found that in superlattices, composed of layers of a ferroelectric material separated by thin metallic spacers, electric dipoles form an unusual pattern of nanoscale domains that order in three dimensions to create a ‘domain supercrystal’, exhibiting outstanding dielectric response.
Researchers' Night in the THz lab
Online art opening of the FZU Photo Competition 2020
Within European Researchers' Night on 27. November 2020 an online art opening of the FZU Photo Competition was performed. Alexey Bubnov got the 2nd place for his image of a beautiful liquid crystal texture resembling the Sun’s corona.
Photocontrollable photonic crystals
Researchers from Institute of Physics in collaboration with Lomonosov Moscow State University elaborated novel photocontrollable photonic crystals based on porous silicon filled with photochromic liquid crystalline mixture. In their recent joint paper, whose figure highlighted the back cover of the November issue of Advanced Optical Materials, they demonstrated that these photonic crystals have great potential for creation of photoswitchable materials for photonics applications.
Emergent functional properties of ferroic materials with topological defects
A domain pattern with multiple polar domain walls in non-polar CaTiO3 from a topical review article: “Domain-wall engineering and topological defects in ferroelectric and ferroelastic materials” highlighted the front cover of the November issue of Nature Reviews Physics.
First book on functional ferroelectric domain walls
P. Ondrejkovic, P. Marton, V. Stepkova and J. Hlinka contributed by the chapter: “Fundamental properties of ferroelectric domain walls from Ginzburg-Landau models” to a new book titled “Domain Walls: From Fundamental Properties to Nanotechnology Concepts” published by Oxford University Press.
Jirka Hlinka got the 2020 Ferroelectrics Recognition Award by IEEE UFFC Society
The Ferroelectrics Recognition Award by the IEEE Ultrasonics, Ferroeelctrics and Frequency Control Society went to Jirka Hlinka for “his outstanding contributions to fundamental theoretical and experimental studies of ferroelectrics, relaxor ferroelectrics and multiferroics”.
Popular cartoon video about smart materials
Teťana Ostapčuk contributed as a scientific guarantor to a popular cartoon video about piezoelectric materials, shape memory alloys, photo-, thermo-, electro- and magnetochromic materials and their applications (in Czech only).
Karel Tesař among winners of the Materials Today Cover Competition 2019
Karel's photo taken by an electron microscope succeeded in the Materials Today Cover Competition 2019. So-called 'Uncovered article' about biodegradable magnesium implants, closely related to the winning photo, has been recently published in Materials Today.
A new class of ferroelectric materials suggested
Using strain engineering, researchers obtained a transitional ferroelectric state in BaTiO3, which exhibits high piezoelectric and dielectric coefficients in a wide temperature range .
New material for 5G mobile networks
Stanislav Kamba, Veronica Goian and Christelle Kadlec, in collaboration with Prof. D. G. Schlom from the Cornell University and other American and German colleagues, succeeded in developing a new material for mobile network of the 5th generation.
John Mangeri and Alexey Bubnov succeeded in FZU Photo Competition
John Mangeri won the second place in the FZU Photo Competition for his image of a computational simulation of a BaTiO3 nanoparticle (see Figure 1). Alexey Bubnov got the 3rd-4th place for his image of a beautiful liquid crystal texture seen under polarized light microscope (see Figure 2).
Vladimira Novotna was awarded the 2nd place in Photogenic Science Competition 2019
Photos of liquid crystals under a polarized microscope brought the second place to Vladimira Novotna in the category of ‘Photogenic Science’. The competition is organized by the Czech Academy of Sciences and by the association Science is Alive! (Věda žije! in Czech) and its aim is to evaluate photos related to science.
TOPO2019 organized by Department of Dielectrics and by Czech Physical Society
The 5th International Workshop on Topological Structures in Ferroic Materials (TOPO2019) took place in Průhonice and Prague on June 16–20. The conference was organized by the Czech Physical Society and by the Department of Dielectrics of FZU with Jiří Hlinka being the conference chair.
The 11th Dvorak lecture given by Prof. Ramamoorthy Ramesh
This year the annual Dvořák lecture will be given by Prof. R. Ramesh, an outstanding expert in multiferroics - the research field very close to Vladimír Dvořák's scientific expertise. His talk called 'Electric Field Control of Magnetism: From Global Markets to Spin Orbit Coupling' is going to be given on Friday, June 21st, 2019 at 14:00 at the Institute of Physics of the Czech Academy of Sciences, Na Slovance 2, 182 21 Praha 8, Czech Republic
Special issue in honor of Jan Petzelt
A special Issue of Ferroelectrics was dedicated to Dr. Jan Petzelt in recognition of his contributions to the scientific community on the occasion of his 77th birthday. His brilliant scientific career over past five decades was summarized by S. Kamba et al. in the editorial. His professional impact and friendly personality are well expressed in tributes to Jan written by J. Hlinka, E. Buixaderas, and G. W. Taylor. See all contributions.
Bohuslav Březina obituary
Ing. Bohuslav Březina, CSc. passed away on February 4, 2019.
After obtaining his PhD in 1955 he joined the Ceramic Research Institute in Klenčí and Hradec Králové. In 1957 he joined the Institute of Physics of the Czechoslovak Academy of Sciences where he focused on growing single crystals exhibiting ferroelectric properties. He conducted a truly pioneering research in a dramatically developing field.
EXPRO project called ‘Ferroelectric Skyrmions’ for Department of Dielectrics
The team of Jirka Hlinka succeeded in the new EXPRO programme of the Czech Science Foundation, aimed at “high risk - high gain” five-year projects along the idea of the European prestigious ERC programme. The research project is devoted to discovery of skyrmions in ferroelectric materials.
Scientists under surveillance - Hynek Němec
Hynek Němec was the 5th guest in a series of video interviews with Czech scientists within a project called Vědci pod mikroskopem (Scientists under surveillance) which is organized by the department of the Deputy Prime Minister for Science, Research and Innovation.
If you want learn some basic ideas about photovoltaic batteries from nanoparticles, terahertz spectroscopy, temporary situation in solid state physics in the Czech Republic etc., listen to the full interview (in Czech only).
First place for Alexey Bubnov in Czech WSC 2017
Alexey Bubnov won the first place In the category of image sets in the Czech version of the international Wiki Science Competition (WSC) which was brought to life to encourage the creation and, especially, the free sharing of all sorts of imagery about the sciences.
Electromagnon Dance - popular video about electromagnons
PhD student Stella Skiadopoulou created a popular video explaining principle of spin waves excited by electric component of electromagnetic radiation.
Prime importance is the teamwork in physics
Hynek Němec is one the organizers of Young Physicists Tournament in the Czech Republic. Recently, students of Mendel secondary school in Opava, who won in the national competition, got a silver medal in a competition of 31 teams from all over the world. The International Young Physicists Tournament took place in Singapore from 5th to 12th July 2017. Hynek actually had won the same compotation 20 years ago and nowadays he helps the current students. Listen the whole interview (in Czech only).
Alexey Bubnov was awarded the 2nd place in Photogenic Science Completion 2016
Photos of liquid crystals under a polarized microscope brought the second place to Alexey Bubnov in the category of ‘Photogenic Science’. The competition is organized by the Czech Academy of Sciences and by the association Science is Alive! (Věda žije! in Czech) and its aim is to evaluate photos related to science.
Prof. Jan Fousek died
Prof. Jan Fousek, after a long disease, passed away on September 4 at the age of 86. Except for small interruptions, within 1958-1990 he headed the Department of Dielectrics of the Institute of Physics of the Czechoslovak Academy of Sciences.
Jan Petzelt obtained Award of the ECAPD International Committee
The former head of the Department of Dielectrics, Dr. Jan Petzelt, was awarded a prestigious award of the scientific community. During the recent international scientific symposium in Darmstadt ( ECAPD-ISAF-PFM 2016, 21-15.8.2016), he became the first holder of the newly created Award of the ECAPD International Committee. He was recognized for his lifelong contribution to understanding ferroelectric materials through broadband spectroscopy of ferroelectric, relaxor and low-loss dielectric materials.
Honorable Ernst Mach award for Jan Petzelt
Jan Petzelt received a honorable Ernst Mach medal awarded by the Czech Academy of Sciences in recognition of his long-standing research in physics.
Hynek Němec in Hyde Park Civilization
Neuron Award 2015 for Hynek Němec
On the 6th May 2015 Hynek Němec obtained prestigious Neuron Award in the category of Young Scientists. The award is annually presented to researches under 40 for their outstanding scientific results.