Scope and Program

Thematical scope of the XXIV 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

Invited speakers

Lukas Eng (Germany)
Reconfigurable 2D electron gases in ferroelectric domain walls
Anna Gagor (Poland)
Crystal engineering and structure–property relationships in organic–inorganic lead halides
Jorge Íñiguez (Luxembourg)
Giant voltage amplification from incipient ferroelectric states
Mikhail Osipov (UK)
Different mechanisms of phase transitions and liquid crystal ordering in block copolymers
Jan Petzelt (Czech Republic)
Unusual dynamics of the ferroelectric transition in K_1-xLi_xTaO₃
Krystian Roleder (Poland)
The still undiscovered PbZrO₃, a difficult nut to crack
Šarūnas Svirskas (Lithuania)
Dielectric relaxation in BaTiO₃ based solid solutions

Tutorial lectures

In order to promote the scientific development of our younger colleagues, the conference was expanded by a series of tutorials. The main part of the tutorials started in the morning on Monday, May 23 at the Institute of Physics in Prague and included lab visits. This arrangement also provided an opportunity to see our beautiful capital the day before. A bus transfer to the conference location was secured.

List of tutorials:

Pavel Baláž
Introduction to machine learning in solid state physics.
Václav Janiš
Spin glasses - random magnetic materials with macroscopic order.
Stanislav Kamba
Static and dynamic magnetoelectric coupling in multiferroics.
Petr Kužel
Effective medium in composites including plasmonic and Mie resonances.
Pavel Márton
Simulation of ferroelectric domain patterns using phase-field method.
Hynek Němec
Terahertz spectroscopy – methods and applications.
Vladimíra Novotná
Liquid crystals – through the history towards ferroelectric nematics.
Marek Paściak
Correlated disorder in crystalline materials – experimental methods and simulations.

Young Researcher Competition

All students had an opportunity to take part in a Clip Session to promote their poster to demonstrate their ability to introduce their research orally in two minutes to a broad audience and discuss in the follow-up poster session. The best three competitors were awarded. The competition was open for Master and PhD students.

Schedule

Technical program of the XXIV Czech–Polish Seminar was scheduled from the afternoon on Monday, May 23 till the lunch on Friday, May 27. Wednesday afternoon was reserved for sightseeing tours.

	Monday May 23	Tuesday May 24	Wednesday May 25	Thursday May 26	Friday May 27
7:00—9:30		Breakfast	Breakfast	Breakfast	Breakfast
8:30—12:30	Tutorials in Prague (including coffee break & lunch)	Tutorial Coffee break Talks	Tutorials Coffee break Talks	Tutorial Coffee break Talks	Talks Coffee break Talks
12:30—14:30	Tutorials in Prague (including coffee break & lunch)	Lunch	Lunch	Lunch	Lunch
14:30—18:00	Departure from Prague: 15:00 Registration in Harrachov: 15:00—18:30	Talks Coffee break Talks Student competition	Excursion	Talks Coffee break Talks	Departure from Harrachov: 14:00 Arrival to Prague: (16:30—17:00)
18:00—21:00	Dinner	Dinner	Dinner
20:00—21:30	Tutorial	Posters	Posters	Conference dinner

The official language of the conference will be English.

Program of the XXIV Czech–Polish Seminar

Monday, May 23

	TUTORIALS in Prague
8:30—10:00	P. Kužel Effective medium in composites including plasmonic and Mie resonances
10:15—11:45	H. Němec Terahertz spectroscopy — methods and applications
11:45—12:45	Lunch
12:45—14:15	M. Paściak Correlated disorder in crystalline materials — experimental methods and simulations
15:00	Bus departure from Prague
15:00—18:30	Registration in Harrachov
18:00—21:00	Dinner
	TUTORIAL
20:00—21:30	P. Baláž Introduction to machine learning in solid state physics

Tuesday, May 24

	TUTORIAL
8:30—9:40	P. Márton Simulation of ferroelectric domain patterns using phase-field method
9:40—10:10	Coffee break
	SESSION 1 — PHASE TRANSITIONS (10:15—12:25)
10:10—10:15	Opening
10:15—10:50	J. Íñiguez (invited) Giant voltage amplification from incipient ferroelectric states
10:50—11:10	E. Buixaderas Disentangling the dielectric anisotropy in strontium barium niobate
11:10—11:30	M. Guennou Polar phonon modes in ferroelastic BiVO₄
11:30—11:50	J. Dec Interfacial polarization phenomena in compressed nanowires of SbSI
11:50—12:25	A. Gągor (invited) Crystal engineering and structure—property relationships in organic—inorganic lead halides
12:30—14:30	Lunch
	SESSION 2 — THEORY (14:30—16:20)
14:30—14:50	M. Paściak New adventures with polar vortices
14:50—15:10	P. Márton Modeling of a 180° charged domain wall in ferroelectric PbTiO₃
15:10—15:30	M. A. Pereira Gonçalves Polar skyrmions in BaTiO₃ at low temperature
15:30—15:50	J. Kulda Efficient modeling of single crystal diffuse scattering
15:50—16:20	Tea time
	SESSION 3 — PHASE TRANSITIONS & COMPETITION (16:35—18:00)
16:20—16:55	K. Roleder (invited) The still undiscovered PbZrO₃, a difficult nut to crack
16:55—17:15	K. Tesař Volumetrically incomplete phase transition: example and outlooks
17:15—18:00	Student competition
18:00—20:00	Dinner
20:00—21:30	Poster session I

Wednesday, May 25

	TUTORIALS
8:30—9:30	V. Janiš Spin glasses — random magnetic materials with macroscopic order
9:30—10:30	V. Novotná Liquid crystals — through the history towards ferroelectric nematics
10:30—11:00	Coffee break
	SESSION 4 – LIQUID CRYSTALS (11:00—11:55)
11:00—11:35	M. A. Osipov (invited) Molecular statistical theory of phase transitions and liquid crystal ordering in rod-coil triblock copolymers
11:35—11:55	M. Mrukiewicz Electrical characterization of the ferronematic phase
12:00—14:00	Lunch
14:00—18:30	Excursions
18:00—20:00	Dinner
20:00—21:30	Poster session II

Thursday, May 26

	TUTORIAL
8:30—9:45	S. Kamba Static and dynamic magnetoelectric coupling in multiferroics
9:45—10:15	Coffee break
	SESSION 5 — PHASE TRANSITIONS (10:15—12:25)
10:15—10:50	W. Schranz Domain walls in ferroic materials: what can we learn from layer group analysis?
10:50—11:10	C. Kadlec Unusual features of lattice dynamics in lawsonite related to its phase transitions: a study using broadband dielectric spectroscopy
11:10—11:30	M. Šimėnas Suppression of phase transitions and glass phase signatures in mixed cation halide perovskites
11:30—11:50	I. Jankowska-Sumara Composition-driven structural phase transitions in Sn doped antiferroelectric PbHfO₃: A review
11:50—12:25	Š. Svirskas (invited) Dielectric relaxation in BaTiO₃ based solid solutions
12:30—14:30	Lunch
	SESSION 6 — MULTIFERROICS AND MAGNETISM (14:30—15:50)
14:30—14:50	J. A. Moreira Strain relaxation dynamics of multiferroic orthorhombic manganites
14:50—15:10	M. M. Gomes Unravelling the structural phase sequence and origin of its modulation in multiferroic Bi_0.7La_0.3FeO₃
15:10—15:30	P. Vilarinho Magnetic anomalies and spin-phonon coupling in RFeO₃
15:30—15:50	S. Kamba THz-field-induced transient multiferroicity in quantum paraelectric KTaO₃
15:50—16:20	Tea time
	SESSION 7 — DOMAIN WALLS (16:20—17:55)
16:20—16:55	L. Eng (invited) Reconfigurable 2D electron gases in ferroelectric domain walls
16:55—17:15	P. Bednyakov Formation of ferroelectric charged domain walls in BaTiO₃ single crystals
17:15—17:35	I. Gaponenko Correlative imaging of ferroelectric domain walls
17:35—17:55	K. Cordero-Edwards Novel functionalities at twin domain crossings
17:55—18:20	J. Pokorný History of swing music
19:00—23:00	Conference dinner

Friday, May 27

	SESSION 8 – PHASE TRANSITIONS (9:00—10:15)
9:00—9:35	J. Petzelt (invited) Unusual dynamics of the ferroelectric transition in K_1−xLi_xTaO₃
9:35—9:55	P. Ławniczak Non-trivial electric response of low-temperature proton conductors based on imidazolium isomers
9:55—10:15	C. Milesi-Brault Soft mode and low-frequency lattice dynamics of BaZrO₃ single crystals
10:15—10:45	Coffee break
	SESSION 9 — PHASE TRANSITIONS (10:45—12:05)
10:45—11:05	F. Kadlec Dynamics and orientations of water molecules linked to their low-temperature ferroelectric ordering in hydrated beryl
11:05—11:25	L. Musy Probing the behaviour of surface water and ferroelectric PbTiO₃ thin films as a function of relative humidity and temperature
11:25—11:45	P. Kužel Time-resolved near-field terahertz spectroscopy reveals charge confinement in GaAs nanobars beyond geometry
11:45—12:05	D. Nuzhnyy Broadband dielectric spectroscopy of conducting core-dielectric shell nanocomposites
12:05—12:30	Closing
12:30—14:00	Lunch
14:00	Bus departure to Prague