[HTML][HTML] Oxygen partial pressure and temperature dependent electrical conductivity of lithium-niobate-tantalate solid solutions

U Yakhnevych, F El Azzouzi, F Bernhardt, C Kofahl… - Solid State Ionics, 2024 - Elsevier
The temperature and oxygen partial pressure (p O 2) dependent electrical conductivity of
LiNbO 3, LiTaO 3, LiNb 1-x Ta x O 3 (LNT) solid solutions up to 900° C is presented. The …

Hydrogen Diffusion in Li(Nb,Ta)O3 Single Crystals Probed by Infrared Spectroscopy and Secondary Ion Mass Spectrometry

C Kofahl, L Dörrer, H Wulfmeier, H Fritze… - Chemistry of …, 2024 - ACS Publications
Hydrogen is an impurity that is incorporated into LiNb1–x Ta x O3 crystals during crystal
growth or during thermal treatment in a humid atmosphere and may influence the physical …

Electrical properties and temperature stability of Li-deficient and near stoichiometric Li (Nb, Ta) O3 solid solutions up to 900° C

S Hurskyy, U Yakhnevych, C Kofahl, E Tichy-Racs… - Solid State Ionics, 2023 - Elsevier
It is widely known that the intrinsic properties of LiNbO 3, LiTaO 3 and, consequently, of Li
(Nb, Ta) O 3 solid solutions are strongly dependent on lithium stoichiometry. In the current …

Lattice Dynamics of LiNb1–x Ta x O3 Solid Solutions: Theory and Experiment

F Bernhardt, S Gharat, A Kapp, F Pfeiffer… - … status solidi (a), 2025 - Wiley Online Library
Lithium niobate (LNO) and lithium tantalate (LTO) see widespread use in fundamental
research and commercial technologies reaching from electronics over classical optics to …

A High‐Temperature Optical Spectroscopy Study of the Fundamental Absorption Edge in the LiNbO3–LiTaO3 Solid Solution

P Gaczyński, Y Suhak, S Ganschow… - … status solidi (a), 2024 - Wiley Online Library
An optical spectroscopy study is reported of single crystals of the LiNbO3–LiTaO3 solid
solution. The spectra are dominated by the fundamental absorption edges. The direct band …

Ferroelectric Hysteresis Measurement in the Lithium Niobate‐Lithium Tantalate Single‐Crystalline Family: Prospects for Lithium Niobate‐Tantalate

B Koppitz, S Ganschow, M Rüsing… - physica status solidi …, 2025 - Wiley Online Library
Poling and structuring of ferroelectric domains form the basis for develo** prospective
applications using materials from the lithium‐niobate (LN) family. Applications range from …

[HTML][HTML] Thermal conductivity in solid solutions of lithium niobate tantalate single crystals from 300 K up to 1300 K

U Bashir, M Rüsing, D Klimm, R Blukis… - Journal of Alloys and …, 2024 - Elsevier
Lithium niobate tantalate (LiNb 1− x Ta x O 3, LNT) solid solutions offer exciting new
possibilities for applications ranging from optics, piezotronics, and electronics beyond the …

[HTML][HTML] Li-diffusion in lithium niobate-tantalate solid solutions

C Kofahl, S Ganschow, F Bernhardt, F El Azzouzi… - Solid State Ionics, 2024 - Elsevier
Among the class of ferroelectric crystals, the lithium-niobate-tantalate (LiNb 1-x Ta x O 3)
system attracts growing attention for applications in the field of nonlinear optics, functional …

Experiments on Hydrogen Uptake and Diffusion in LiNb0.15Ta0.85O3 Single Crystals by Infra-Red Spectroscopy

C Kofahl, S Ganschow, H Schmidt - Defect and Diffusion Forum, 2023 - Trans Tech Publ
Hydrogen is an impurity that is often present in LiXO3 (X= Nb, Ta) single crystals and related
materials. In this context, the diffusion of hydrogen is an important process because it may …

Influence of Li‐Stoichiometry on Electrical and Acoustic Properties and Temperature Stability of Li(Nb,Ta)O3 Solid Solutions up to 900 °C

É Tichy‐Rács, S Hurskyy, U Yakhnevych… - … status solidi (a), 2025 - Wiley Online Library
The current work is focused on the impact of the lithium stoichiometry on electrical
conductivity, acoustic properties, and high‐temperature stability of single crystalline Li (Nb …