7 papers
On the temperature dependence of the optical band gap in the material system of lithium niobate and lithium tantalate
Maximilian Henneke, Michael Ruesing, Nina A. Lange +13
Lithium niobate and lithium tantalate see widespread use in optics and electronics, and are increasingly used for cryogenic applications. Despite their broad deployment, their opti…
The domain-wall/metal-electrode injection barrier in lithium niobate: Which electrical transport model fits best?
Manuel Zahn, Elke Beyreuther, Iuliia Kiseleva +3
The comprehensive description of both the electrical transport along conductive domain walls (CDWs) in lithium niobate (LNO) single crystals and the charge injection at the interfa…
Demonstration of domain wall current in MgO-doped lithium niobate single crystals up to 400 °C
Hendrik Wulfmeier, Uliana Yakhnevych, Cornelius Boekhoff +12
Conductive ferroelectric domain walls (DWs) represent a promising topical system for the development of nanoelectronic components and device sensors to be operational at elevated t…
In-situ SHG microscopy investigation of the domain-wall-conductivity enhancement procedure in lithium niobate
Iuliia Kiseleva, Boris Koppitz, Elke Beyreuther +3
Conductive domain walls (CDWs) in the uniaxial ferroelectric lithium niobate (LiNbO, LN) have attracted a lot of interest as potential elements in 2D nanoelectronics, due to th…
Probing Ferroelectric Phase Transitions in Barium Titanate Single Crystals via Second Harmonic Generation Microscopy
Benjamin Kirbus, Samuel D. Seddon, Iuliia Kiseleva +3
Ferroelectric materials play a crucial role in a broad range of technologies due to their unique properties that are deeply connected to the pattern and behavior of their ferroelec…
Towards the reproducible fabrication of conductive ferroelectric domain walls into lithium niobate bulk single crystals
Julius Ratzenberger, Iuliia Kiseleva, Boris Koppitz +7
Ferroelectric domain walls (DWs) are promising structures for assembling future nano-electronic circuit elements on a larger scale, since reporting domain wall currents of up to 1…