7 citations · 29 across the 14 of their papers we have counts for
14 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…
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…
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…
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…
High-temperature domain wall current in Mg-doped lithium niobate single crystals up to 400°C
Uliana Yakhnevych, Marlo Kunzner, Leonard M. Verhoff +6
Conductive ferroelectric domain walls (DWs) represent a promising topical system for the development of nanoelectronic components and devices. DWs show very different properties as…
Ferroelastic control of magnetic domain structure: direct imaging by Magnetic Force Microscopy
S. D. Seddon, C. R. S. Haines, T. P. A. Hase +4
Pyrrhotite, FeS, provides an example of exceptionally strong magnetoelastic coupling through pinning of ferromagnetic domains by ferroelastic twins. Using direct imaging of…
Depth resolution in piezoresponse force microscopy
Matthias Roeper, Samuel Dominic Seddon, Zeeshan H. Amber +2
Piezoresponse Force Microscopy (PFM) is one of the most widespread methods for investigating and visualizing ferroelectric domain structures down to the nanometer length scale. PFM…
Surface-near domain engineering in multi-domain x-cut lithium niobate tantalate mixed crystals
Laura Bollmers, Tobias Babai-Hemati, Boris Koppitz +5
Lithium niobate and lithium tantalate are among the most widespread materials for nonlinear, integrated photonics. Mixed crystals with arbitrary Nb-Ta ratios provide a new degree o…
Comparative study of photo-induced electronic transport along ferroelectric domain walls in lithium niobate single crystals
Lili Ding, Elke Beyreuther, Boris Koppitz +6
Ferroelectric domain wall conductivity (DWC) is an intriguing functional property, that can be controlled through external stimuli such as electric and mechanical fields. Optical-f…
Polarization sensitivity in scattering-type scanning near-field optical microscopy -- towards nanoellipsometry
Felix G. Kaps, Susanne C. Kehr, Lukas M. Eng
Electric field enhancement mediated through sharp tips in scattering-type scanning near-field optical microscopy (s-SNOM) enables optical material analysis down to the 10-nm length…
Conductivity and magnetoresistance of LaCeMnO thin films under photoexcitation
Andreas Thiessen, Elke Beyreuther, Robert Werner +3
LaCeMnO thin films of different thicknesses, degrees of CeO-phase segregation and oxygen deficiency, grown on SrTiO single crystal substrates, were comp…
Mn/Mn state of LaCeMnO by oxygen reduction and photodoping
Andreas Thiessen, Elke Beyreuther, Stefan Grafström +5
Films of cerium-doped LaMnO, which has been intensively discussed as an electron-doped counterpart to hole-doped mixed-valence lanthanum manganites during the past decade, were…