5-7 Juli 2027, Paderborn, Deutschland
Sommerschule 2027 Polar Piezoelectric Oxides

24-26 September 2024, Darmstadt, Germany
Symposium F06 Piezoelectric Oxides

18-21 September 2023, Warsaw, Poland
Symposium V Piezoelectric Polar Oxides

26-31 March 2023, Dresden, Germany
Symposium: Polar Oxide Crystals and Solid Solutions

27-29 September 2022, Darmstadt, Germany
Symposium FO2 Piezoelectric Oxides

May 11-13, 2022, Goslar, Germany.
International Workshop on Polar Oxides: Lithium Niobate and Related Compounds (WPO-2022)

March 2 - 4, 2026

Topics for discussion:             
•    Crystals            
•    Layers
•    Charge transport
•    Polarization
•    Interfaces  

Lectures:
Li(Nb,Ta)O₃ epitaxy thin film with Pulsed Laser Deposition
The effect of Li-stoichiometry on the conductivity of LNT crystals
High-temperature poling treatment of lithium niobate-tantalate solid solutions
Influence of temperature and oxygen partial pressure on acoustic loss in LiNb_1-xTa_xO₃
LN Domain Wall Conductivity at 'high' temperatures
Vibrational and optical properties of LiNbO₃ under uniaxial stress
Lattice dynamics of LiNb_1-xTa_xO₃ solid Solutions
Investigation of Hydrogen Diffusion in LiNbO₃ from Density Functional Theory

Discussion topic: Continuation of the Research Unit

Discussion topic: Continuation of the Research Unit

Discussion topic: Continuation of the Research Unit

Discussion topics:
SHG of LNT single crystals
Photoconductivity in LN and LNT
SHG of bonded LN/LT sandwiches
In-situ strained TFLN SHG

Discussion topics:
Hydrogen and oxygen transport in LNT
Volume PV effect in LNT
Deposition of LiNbO₃ thin films with PLD

Discussion topics:
Influence of Li stoichiometry on the HT stability of LNT
Conductivity and losses in LNT
Intrinsic defects in LNT

Discussion topics:
Poling and phase transformation
Theoretical modelling of domains and domain walls in ferroelectric oxides
Near-surface periodic poling of x-cut LNT

Discussion topic: Doping

Discussion topic: Networking

Lectures:
Influence of Li-concentration on the optical properties of LNT crystals
Photo-induced transport properties in lithium niobate single crystals and their domain walls
Wavelength-dependent photoconductivity of LNO, LTO, and LNT
High temperature investigations of LN, LNT and LT
Phase transformation in LN-LT solid solutions
Vibrational and optical properties of LiNbO₃ and LiTaO₃ under uniaxial stress
Modelling of defects and impurities in LiNbO₃ - from ground-state theory to finite temperatures
Composition dependent optical and thermal properties of LNT solid solutions

Discussion topic: Domain structures

From 07.10 - 08.10.2021 our kick-off meeting of the research group FOR5044 took place in the Goslar conference hotel DER ACHTERMANN.
We are pleased about the positive feedback of the guests from Germany and abroad.

On 29.06.2021 we held our web workshop "Structure and formation of crystals".

Lecture title: "Short introduction to the crystallography of solid solutions".

On 18.05.2021 the web workshop "Raman Spectroscopy" took place.

Lecture title: "RAman Spectroscopy in LNT Crystals"

On 13.04.2021 our web workshop " Crystal growth" took place.

Lecture title: "Issues of Melt Growth"

Talk: "Atomic modeling of LNT solid solutions: Current results and roadmap"