IWRF 2014 banner
Sponsor 
Conference partner 
Sponsor 
Sponsor 
Sponsor 
Organizer 

Program

We would like to thank all the participants for outstanding talks and poster presentations, as well as for creating a great audience.

Invited speakers

Schedule

 Sunday
Oct 12
Monday
Oct 13
Tuesday
Oct 14
Wednesday
Oct 15
Thursday
Oct 16
7:00–8:55 BreakfastBreakfastBreakfastBreakfast
8:55–9:00Opening
9:00–10:30Session 1Session 6Session 11Session 15
10:30–11:00  Coffee break    Coffee break    Coffee break    Coffee break  
11:00–13:00Session 2Session 7Session 12Session 16
13:00–14:30LunchLunchLunchRefreshment
14:30–16:00Session 3Session 8Session 13 
16:00–16:30Registration
17:00–19:00
Tea timeExcursionTea time
16:30–18:30Session 4Session 14
18:30–20:00 Welcome dinner 
19:00–21:00
DinnerDinnerConference dinner
20:30Session 5Session 10

Posters were displayed all the time throughout the Workshop.

Program of the IWRF14 Workshop

Sunday, Oct 12
17:00–19:00Registration
19:00–21:00Welcome dinner
Monday, Oct 13
8:55OPENING
 SESSION 1 – DIFFUSE SCATTERING I.
(9:00–10:30; chair S. Kamba)
9:00 (40)S. Vakhrushev (St. Petersburg, Russia)
Change of the diffuse scattering topology at the morphotropic phase boundary
9:40 (25)M. Pasciak (Prague, Czech Republic)
Local correlations in lead-based relaxors from x-ray diffuse scattering data refinement
10:05 (25)A. Bosak (Grenoble, France)
Diffuse scattering in lead-containing perovskites
10:30 (30)Coffee break
 SESSION 2 – LEAD-FREE RELAXORS
(11:00–13:00; chair Z-G. Ye)
11:00 (40)P. Gehring (Gaithersburg, USA)
The incipient relaxor KLT
11:40 (20)H. Luo (Shanghai, China)
Piezoelectric response of NBT–BT single crystals with their hierarchical structure
12:00 (40)J. Kreisel (Belvaux, Luxembourg)
Polarization rotation in bismuth-based piezoelectrics
12:40 (20)T. Granzow (Belvaux, Luxembourg)
Relaxor properties and field-induced ferroelectric order in (1-x) Bi1/2Na1/2TiO3 – x BaTiO3 ceramics across the morphotropic phase boundary
13:00 (90)Lunch
 SESSION 3 – THEORY I.
(14:30–16:00; chair V. Janis)
14:30 (40)A. M. Rappe (Philadelphia, USA)
Molecular dynamics studies of the phase transitions in a relaxor ferroelectric
15:10 (20)M. Iwata (Nagoya, Japan)
Electric field effect and stable ferroelectric phases as average structures in a relaxor solid solution system Pb(Zn1/3Nb2/3)O3 – xPbTiO3
15:30 (20)B. P. Burton (Gaithersburg, USA)
Random field in PST and PSN Random fields in PST and PSN
15:50 (10)ANNOUNCEMENTS
16:00 (30)Tea time
 SESSION 4 – GLASS vs RELAXOR
(16:30–18:30; chair R. Pirc)
16:30 (30)W. Kleemann (Duisburg, Germany)
Glassy phenomena in relaxors
17:00 (30)V. Janis (Prague, Czech Republic)
Ergodicity breaking in disordered and frustrated systems: Replicas in spin glass models
17:30 (30)B. Hehlen (Montpellier, France)
Do relaxors behave like structural glasses?
18:00 (30)Short piano concert
18:30 (90)Dinner
20:30 (40)SESSION 5 – EVENING TALK I.
K. Uchino: Piezoelectric actuator renaissance
Tuesday, Oct 14
 SESSION 6 – LEAD-BASED PEROVSKITES
(9:00–10:30; chair S. Vakhrushev)
9:00 (30)Z.-G. Ye (Burnaby, Canada)
Morphotropic phase boundary in relaxor-based solid solution Pb(In1/2Nb1/2)O3 – Pb(Mg1/3Nb2/3)O3 – PbTiO3
9:30 (20)L. Feigl (Lausanne, Switzerland)
Controlled stripes of ultrafine ferroelectric domains
9:50  (20)W. Hu (Upton, USA)
Rhombohedrons in the local structures of relaxor ferroelectrics
10:10 (20)Y. Fujii (Kusatsu, Japan)
Light scattering investigation on fractal nature of relaxor
10:30 (30)Coffee break
 SESSION 7 – PIEZO-, FLEXO-, AND MAGNETOELECTRIC COUPLING
(11:00–13:00; chair G. Rossetti)
11:00 (30)M. Stengel (Barcelona, Spain)
Surface control of flexoelectricity
11:40 (15)H. Wu (Shanghai, China)
A theoretical study on compressively strained EuTiO3 thin film
11:55 (25)E. Bousquet (Liege, Belgium)
Nonlinear ferroelectric properties in fluoroperovskites
12:20 (20)I. P. Raevski (Rostov/Don, Russia)
Relaxor-like properties of PbFe0.5Ta0.5O3 ceramics
12:40CONFERENCE PHOTO
13:00 (90)Lunch
 SESSION 8 – DIFFUSE SCATTERING II.
(14:30–16:00; chair P. Gehring)
14:30 (30)D. Chernyshov (Grenoble, France)
Diffuse scattering in PMN relaxor: experiment, analysis and models
15:00 (30)J. Kulda (Grenoble, France)
PNR's in relaxor ferroelectrics: a fingerprint of a Griffiths phase?
15:30 (30)J. Hlinka (Prague, Czech Republic)
Hidden order in relaxor ferroelectrics
16:30 (120)SESSION 9 –CONFERENCE EXCURSION
Sightseeing & local beer tasting
18:30 (90)Dinner
 SESSION 10 – EVENING TALK II.
20:30 (40)D. Sherrington (Oxford, UK)
Relaxors, spin-, Stoner and cluster-glasses
Wednesday, Oct 15
 SESSION11 – RELAXOR MATERIALS I.
(9:00–10:30; chair B. Hehlen)
9:00 (20)M. Tyunina (Oulu, Finland)
Relaxor-to-ferroelectric transitions in epitaxial films of PbMg1/3Nb2/3O3 and PbSc1/2Nb1/2O3
9:20 (20)V. Bovtun (Prague, Czech Republic)
Relaxation time distribution in BZT and PMN relaxors
9:40 (20)B. Mihailova (Hamburg, Germany)
Electric-field-induced local structural phenomena in Pb-based perovskite-type relaxors
10:00 (30)D. Pandey (Varanasi, India)
Relaxor ferroelectric behaviour in perovskites with ferroelectric and antiferroelectric ground state due to homovalent/heterovalent substitutional disorder
10:30 (30)Coffee break (30)
 SESSION12 – GLASSES II.
(11:00–13:00; chair W. Kleemann)
11:00 (30)T. Egami (Oak Ridge, USA)
Relaxor ferroelectrics, spin glass and real glass
11:30 (25)J. Dec (Katowice, Poland)
Non-linear dielectric response of relaxors: what does it tell us about
11:55 (25)W. Schranz (Wien, Austria)
Dynamically correlated regions in molecular liquids, polymers and relaxors
12:20 (30)A. Bell (Leeds, UK)
Relevance of superparaelectric model calculations to relaxor ferroelectrics
13:00 (90)Lunch (90)
 SESSION 13 – LEAD-FREE RELAXORS
(14:30–16:00; chair A. Bell)
14:30 (30)I. M. Reaney (Sheffield, UK)
Role of the incommensurate/commensurate modulation in the crystal chemistry of tetragonal tungsten bronze structured ceramics
15:00 (20)P. Ondrejkovic
Dynamic polarization fluctuations in a uniaxial Sr0.61Ba0.39Nb2O6 relaxor
15:20 (25)J. Petzelt (Prague, Czech Republic)
Lattice dynamics and dielectric spectroscopy of BZT and NBT lead-free relaxors – comparison with lead-based perovskite relaxors
15:45 (15)Short announcements
16:00 (30)Tea time
 SESSION 14 – THEORY II.
(16:30–18:30; chair A. Rappe)
16:30 (40)G. A. Rossetti (Storrs, USA)
Energetics of phase transitions in relaxor piezocrystals
17:10 (40)R. Pirc (Ljubljana, Slovenia)
Freezing in relaxor ferroelectrics and dipolar glasses
17:50 (20)A. Bussmann-Holder (Stuttgart, Germany)
Crossover from displacive to relaxor ferroelectricity
18:10 (20)R. Mamin (Kazan, Russia)
Phenomenological theory of relaxors in details
19:30Conference dinner
Thursday, Oct 16
 SESSION 15 – NEW CONCEPTS AND APPLICATIONS
(9:00–10:30; chair B. Dkhil)
9:00 (20)I. Kornev (Paris, France)
Local gauge symmetry and topological defects in relaxor ferroelectrics
9:20 (20)M. E. Manley (Oak Ridge, USA)
Phonon localization as a driver for polar nanoregions in relaxor ferroelectrics
9:40 (20)G. Suchaneck (Dresden, Germany)
Electrocaloric cooling based on relaxor ferroelectrics
10:00 (20)A. Movchikova (Dresden, Germany)
Application of relaxor-based single crystals in pyroelectric detectors
10:20 (10)Announcements
10:30 (30)Coffee break
 SESSION 16 – RELAXOR MATERIALS II.
(11:00–13:20; chair J. Hlinka)
11:00 (30)K. Ohwada (Hyogo, Japan)
Higher-order structures near MPB Higher-order structures near MPB
11:30 (20)E. Buixaderas (Prague, Czech Republic)
Raman and broad-band dielectric behaviour of SrxBa1-xNb2O6 single crystals
11:50 (20)M. Deluca (Leoben, Austria)
Raman spectroscopy of lead-free relaxor ceramics
12:10 (20)S. Kamba (Prague, Czech Republic)
Comparison of the soft and central mode behavior in PbMg1/3Nb2/3O3 and PbFe1/2Nb1/2O3
12:30 (20)G. G. Guzman-Verri (Argonne, USA)
A variational study of a model for relaxor ferroelectrics
12:50 (30)B. Dkhil (Chatenay-Malabry, France)
Relaxors seen through other complex systems having outstanding properties
13:20 (10)Closing
13:30 (60)Refreshments
15:00Departure