Recent progress in lithium niobate: optical damage, defect simulation, and on‐chip devices

Y Kong, F Bo, W Wang, D Zheng, H Liu… - Advanced …, 2020 - Wiley Online Library
Lithium niobate (LN) is one of the most important synthetic crystals. In the past two decades,
many breakthroughs have been made in material technology, theoretical understanding …

Structures of impurity defects in lithium niobate and tantalate derived from electron paramagnetic and electron nuclear double resonance data

VG Grachev, GI Malovichko - Crystals, 2021 - mdpi.com
Point intrinsic and extrinsic defects, especially paramagnetic ions of transition metals and
rare-earth elements, have essential influence on properties of lithium niobate, LN and …

LiNbO3 surfaces from a microscopic perspective

S Sanna, WG Schmidt - Journal of Physics: Condensed Matter, 2017 - iopscience.iop.org
A large number of oxides has been investigated in the last twenty years as possible new
materials for various applications ranging from opto-electronics to heterogeneous catalysis …

Electronic and nuclear contributions to time-resolved optical and X-ray absorption spectra of hematite and insights into photoelectrochemical performance

D Hayes, RG Hadt, JD Emery, AA Cordones… - Energy & …, 2016 - pubs.rsc.org
Ultrafast time-resolved studies of photocatalytic thin films can provide a wealth of information
crucial for understanding and thereby improving the performance of these materials by …

Evaluation of similarities and differences of LiTaO3 and LiNbO3 based on high-T-conductivity, nonlinear optical fs-spectroscopy and ab initio modeling of polaronic …

A Krampf, M Imlau, Y Suhak, H Fritze… - New Journal of …, 2021 - iopscience.iop.org
Different aspects of ferroelectric LiTaO 3 (LT) such as polaronic defects, optical response
and electrical conductivity are investigated by the most recent theoretical and experimental …

Optical nonlinearities of small polarons in lithium niobate

M Imlau, H Badorreck, C Merschjann - Applied Physics Reviews, 2015 - pubs.aip.org
An overview of optical nonlinearities of small bound polarons is given, which can occur in
the congruently melting composition of LiNbO 3. Such polarons decisively influence the …

Optical absorption induced by small polaron formation in transition metal oxides: The case of

TJ Smart, TA Pham, Y Ping, T Ogitsu - Physical Review Materials, 2019 - APS
Small polarons (SPs) are known to exist in most important transition metal oxides; however,
the nature of small polaron formation remains enigmatic, and a fundamental understanding …

electronic structure: Many-body interactions, spin-orbit coupling, and thermal effects

A Riefer, M Friedrich, S Sanna, U Gerstmann… - Physical Review B, 2016 - APS
The influence of electronic many-body interactions, spin-orbit coupling, and thermal lattice
vibrations on the electronic structure of lithium niobate is calculated from first principles. Self …

Local structure and spin transition in hematite at high pressure

A Sanson, I Kantor, V Cerantola, T Irifune, A Carnera… - Physical Review B, 2016 - APS
The pressure evolution of the local structure of Fe 2 O 3 hematite has been determined by
extended x-ray absorption fine structure up to∼ 79 GPa. Below the phase-transition …

Tunable non-volatile memory by conductive ferroelectric domain walls in lithium niobate thin films

T Kämpfe, B Wang, A Haußmann, LQ Chen, LM Eng - Crystals, 2020 - mdpi.com
Ferroelectric domain wall conductance is a rapidly growing field. Thin-film lithium niobate, as
in lithium niobate on insulators (LNOI), appears to be an ideal template, which is tuned by …