Scope and Program
Thematical scope of the XXVI Czech–Polish Seminar included all its traditional subjects:
- Ferroelectric and structural phase transitions
- Dielectric and microwave properties, THz and IR spectroscopy
- Liquid crystals and polymeric liquid crystals
- Structural and microstructural properties
- Inelastic light and neutron scattering
- Domains and domain boundaries
- Ferroelectric thin and thick films
- Nanomaterials and size effect
- Piezoelectrics and pyroelectrics
- Relaxor ferroelectrics
- Multiferroics
- Ionic conductors
- Applications
Schedule
Technical program of the XXVI Czech–Polish Seminar was scheduled from the afternoon on Monday, May 4 till the lunch on Friday, May 8. Wednesday afternoon was reserved for sightseeing tours.
| Monday May 4 | Tuesday May 5 | Wednesday May 6 | Thursday May 7 | Friday May 8 | |
|---|---|---|---|---|---|
| 9:00–13:00 | Talks Coffee break Talks | Talks Coffee break Talks | Talks Coffee break Talks | Talks Coffee break Talks | |
| 13:00–14:30 | Lunch | Lunch | Lunch | Lunch | |
| 14:30–19:00 | Registration | Talks Coffee break Talks | Excursion | Talks Coffee break Talks | Departure |
| 19:00 | Welcome | Posters | Posters | Dinner |
The official language of the conference was English.
Program of the XXVI Czech–Polish Seminar
| 14:00 | Bus departure from Prague |
| 15:30–19:00 | Registration |
| 19:00 | Welcome |
| 9:00–9:05 | Opening |
|   | SESSION 1 — RELAXORS |
| 9:05–9:35 | N. Zhang (invited) The correlated local disorder in relaxor ferroelectrics revealed by diffuse scattering analysis |
| 9:35–9:55 | A. Szeremeta Doping influence on structural ferroelectric phase transitions of barium calcium titanate |
| 9:55–10:15 | J. Hlinka Microscopic flexoelectricity in the canonical PMN relaxor |
| 10:30–11:00 | Coffee break |
|   | SESSION 2 — MULTIFERROICS |
| 11:00–11:30 | B. Andrzejewski (invited) Tetracalcium aluminoferrite Ca2Fe2−xAlxO5 as an example of smart and versatile brownmillerite |
| 11:30–11:50 | S. Kamba Magnetoelectric coupling and frustrated antipolar correlations in hexaaluminates |
| 11:50–12:20 | J. W. Freeland (invited) Hybrid ferroelectric–ferromagnetic interfaces: a route to create new coupled ultrafast modes |
| 12:20–12:40 | J. Więckowski Specific heat studies of the phase transitions in multiferroic system |
| 12:40–13:00 | P. Márton Development of shell-model potentials for mixed perovskites |
| 13:00–14:30 | Lunch |
|   | SESSION 3 — TOPOLOGICAL DEFECTS |
| 14:30–15:00 | M. Hadjimichael (invited) X-ray studies of nanoscale ferroelectric domain walls in perovskite oxide superlattices |
| 15:00–15:20 | P. Bednyakov Optically induced ferroelectric charged domain walls |
| 15:20–15:40 | M. A. Pereira Gonçalves Vortices and nanodomains in epitaxially strained SrTiO3 |
| 15:40–16:10 | 0.-A. Condurache (invited) Polar states and transitions revealed at the atomic scale |
| 16:10–16:30 | P. Zieliński Self-similarity and its consequences in ferroic domain patterns, hinged gratings and acoustic signals |
| 16:30–17:00 | Coffee break |
|   | SESSION 4 — STRAIN ENGINEERING |
| 17:00–17:30 | S. Seddon (invited) Twin wall functionality and tunability in ferroelastic LaAlO3 |
| 17:30–18:00 | C. Toulouse (invited) Modifying functional properties under negative strain by helium implantation |
| 18:00–19:00 | Posters |
| 19:00 | Dinner |
| 20:00–20:30 | J. Pokorný Guitar: Its role and evolution |
|   | SESSION 5 — PHASE TRANSITIONS |
| 9:00–9:30 | E. Gradauskaite (invited) Epitaxy of Carpy-Galy ferroelectrics: from enhanced polarization to topotactic phase transformations |
| 9:30–10:00 | A. Gagor (invited) Structural Mechanisms of Temperature-Induced Phase transitions in multilayered hybrid perovskites |
| 10:00–10:30 | M. C. Weber (invited) Controlled ferroic phase transitions via guided domain wall expansion: analogies from magnetism to ferroelectrics – a concept |
| 10:30–11:00 | Coffee break |
|   | SESSION 6 — SURFACE AND INTERFACE-DRIVEN PHENOMENA |
| 11:00–11:30 | W. Widdra (invited) Surface vibrations, polaritons and their coupling to a 2D electron gas: Interface-bound excitations at the SrTiO3(001) surface |
| 11:30–11:50 | P. Mokrý Nonlinear dielectric spectroscopy of interfacial layers: from ferroelectrics to electric double layers |
| 11:50–12:20 | A.B. Blázquez Martínez (invited) Leakage current reduction in epitaxial BaTiO3 films and BaTiO3/SrTiO3 superlattices integrated on silicon |
| 12:20–12:50 | B. Dkhil (invited) Antiferroelectrics: an unexpected materials platform for piezocatalysis |
| 13:00–14:00 | Lunch |
| 14:00–18:00 | Excursion |
| 18:00–19:00 | Posters |
| 19:00 | Dinner |
|   | SESSION 7 — CHALLENGING CONCEPTS |
| 9:00–9:30 | K. Roleder (invited) Astouding ABO3 perovskites – from ferroelectric BaTiO3 and PbTiO3 to antiferroelectric PbZrO3 and PbHfO3 |
| 9:30–9:50 | V. Janiš Dynamical properties of low-dimensional metallic alloys |
| 9:50–10:20 | J. Kulda Opportunities in time-resolved neutron inelastic scattering |
| 10:30–11:00 | Coffee break |
|   | SESSION 8 — LIQUID CRYSTALS AND ORGANIC MATERIALS |
| 11:00–11:30 | P. Pieranski (invited) Serendipity in experiments with liquid crystals |
| 11:30–11:50 | V. Novotná Ferroelectricity in nematic liquid crystalline phase |
| 11:50–12:20 | S. Zięba (invited) Collapse of the helical hydrogen bond structure in imidazolium hydrogen o-phthalate under high pressure: a vibrational spectroscopy study |
| 12:20–12:50 | P. Ławniczak (invited) Impedance vs modulus formalism in proton conductors |
| 13:00–14:30 | Lunch |
|   | SESSION 9 — ANTIFERROELECTRICS |
| 14:30–15:00 | M. Otoničar (invited) Influence of atomic ordering on the properties of NaNbO3-based antiferroelectrics |
| 15:00–15:20 | J. Piecha Soft X-ray spectroscopy for a better understanding of the physicochemical properties of PbHfO3 |
| 15:20–15:40 | L. Imhoff Spectroscopic insights on sodium niobate-based antiferroelectric ceramics |
| 15:40–16:10 | P.-E. Janolin (invited) Revisiting the phase transitions in PbZrO3 |
| 16:10 | Group photo |
| 16:30–17:00 | Coffee break |
|   | SESSION 10 — TOWARDS FREESTANDING AND NONSUPERVISED |
| 17:00–17:30 | P. Paruch (invited) Seeds of doubt in unsupervised learning of physical behaviours |
| 17:30–18:00 | C. Lichtensteiger (invited) Domains, superdomains and ripples in epitaxially strained and freestanding PbTiO3 |
| 19:00 | Conference dinner |
|   | SESSION 11 — TIME-DOMAIN SPECTROSCOPY TECHNIQUES |
| 9:00–9:20 | C. Kadlec THz field-induced magnetic-like response in the quantum paraelectric diamagnet KTaO3 |
| 9:20–9:40 | P. Kužel Theoretical notes on THz pump – optical probe experiments |
| 9:40–10:00 | T. Troha Local photoconductivity dynamics in semiconductors investigated by THz near-field microscopy |
| 10:00–10:20 | H. Němec Rapid expansion of photo-generated electron-hole plasma in direct gap semiconductors |
| 10:30–11:00 | Coffee break |
|   | SESSION 12 — THEORETICAL METHODS |
| 11:00–11:30 | A. Grünebohm (invited) Tuning phase stability in ferroelectric oxides by epitaxial strain and point defects |
| 11:30–11:50 | O. Y. Mazur Domain evolution in uniaxial ferroelectrics: stochastic and phase-field perspectives |
| 11:50–12:20 | M. Mrovec (invited) Foundational GRACE: Towards quantum accuracy in atomistic modeling of phase transitions |
| 12:20–12:40 | M. Khanore Deep learning frameworks for exploration of energy landscapes of perovskites |
| 12:40 | Closing |
| 13:00–14:30 | Lunch |
| 14:30 | Departure |
Posters
P1 – B. Andrzejewski
Structural and dielectric properties of zinc oxide-based ceramics aged with high-energy current strokes
P2 – H. Bakhtaoui
Nonlinear variations of shear elastic constants of lithium niobate crystals at high temperatures
P3 – V. Beneš
Contrastive learning for unsupervised phase discovery
P4 – V. Bovtun
Magnetic domain wall dynamics near phase transitions in ferrites
P5 – A. Bubnov
Mesomorphic and photoactive behaviour of semi-fluorinated chiral liquid crystals
P6 – E. Buixaderas
Phase transitions in SrSnO3-substituted NaNbO3 ceramics as viewed through phonon spectroscopy
P7 – I. Chacón
Ab initio approach to the electrophonon potential vector in tetragonal BaTiO3
P8 – B. Dąbrowski
Synthesis and the structural, magnetic, ferroelectric and specific heat studies of the manganese perovskite multiferroics
P9 – D. Dardas
Electro-optical properties of ferroelectric liquid crystals modified by laser photobleaching
P10 – D. Dardas
Electro-optic Kerr constant in isotropic and blue phases of chiral-doped liquid crystals: experimental study and estimation of effective elastic properties
P11 – J. E. Flores Gonzales
Diffuse scattering in (K,Na)NbO3 solid solutions
P12 – I. Gruszka
Technology, dielectric and calorimetric properties of pure and lithium-doped lead iron niobate (PbFe1/2Nb1/2O3) crystals.
P13 – D. Havryliuk
Insulator-metal transition in the surface layer of a lead hafnium single crystal induced by an Ar+ ion beam
P14 – A. Hilczer
Memory effect in PMN-xPT single crystals
P15 – Z. Holman
Comparison of performance of MACE MLIP
P16 – F. Kadlec
Magnetic and multiferroic properties of BaHoFeO4
P17 – S. Kamba
The origin of microwave dielectric loss and high tunability in SrTiO3-based superlattice
P18 – M. Kempa
Microwave magnetic excitations in U-type hexaferrite ceramics
P19 – A. Klíč
Finite-temperature structure of ferroelectric domain walls in perovskites from shell-model molecular dynamics
P20 – M. Knapkiewicz
Nematic materials optimized for infrared applications
P21 – L. Kozielski
Multiferroic memristors
P22 – V. Lindauer
Electrostatic coupling at the ferroelectric–electrolyte interface
P23 – P. Márton
Zigzag domain walls in ferroelectric BiFeO3
P24 – R. Matuška
Terahertz spectroscopy of plasmons in arrays of graphene dots and holes
P25 – O. Michal
Polarized optical spectroscopies of NdFeO3 and SmFeO3
P26 – S. Mironov
Effect of the molecular structure specificities on mesomorphic and photoactive behaviour of chiral liquid crystals
P27 – A. Mizera
Electrical and spectroscopic properties of polypyrole derivatives doped with graphene quantum dots as counterions
P28 – H. D. Nguyen
Full rock salt-type ordering double and quadruple perovskite: a dielectric properties comparison
P29 – D. Nužnyj
Colossal permittivity in Nb-doped TiO2 crystal
P30 – P. Ondrejkovič
Electric-field response of intrinsic and engineered antipolar systems
P31 – T. Ostapčuk
Broad-band dielectric spectroscopy of NaNbO3-based antiferroelectric ceramics
P32 – M. Paściak
Dynamical local structure across the phase transitions in antiferroelectric materials
P33 – P. Perkowski
Racemisation’s influence on dielectric response in antiferroelectric and ferroelectric smectic liquid crystals
P34 – P. Perkowski
Dielectric properties of a room-temperature mixture showing ferroelectric nematic phase
P35 – C. A. Pescaru
Structural investigation of KTa0.65Nb0.35O3 single crystal by Raman spectroscopy
P36 – J. Pokorný
Spectroscopic study of a solid–water interface
P37 – I. Rychetský
Lawsonite – ab initio modeling
P38 – W. Schranz
Ferroelastic domain switching dynamics in KSCN and RbSCN
P39 – V. Stepkova
Antiskyrmion structure in BaTiO3/SrTiO3 superlattices
P40 – O. Strzeżysz
Light-directed photonic modulation in blue-phase liquid crystals via azobenzene doping
P41 – M. Urbańska
Synthesis and application of liquid crystalline racemates as dopants in antiferroelectric mixtures
P42 – M. C. Weber
Unveiling 4f-driven SHG in NdGaO3 without inversion symmetry breaking
P43 – A. Wypych-Puszkarz
Structures and dielectric performance of polycrystalline Ca2.5◻0.5Mn2V3O12 defect garnet ceramics
P44 – A. Wypych-Puszkarz
Dielectric, electrical and thermal properties of carbazole-based organic materials for optoelectronic applications