Precise determination of crystal lattice parameters

VV Lider - Physics-Uspekhi, 2020 - iopscience.iop.org
Precision X-ray methods for absolute and relative determination of crystal lattice parameters
(interplanar distances) are described and compared, including the X-ray divergent-beam …

Effect of magnetoelastic interaction on the thermal expansion of the trigonal crystal FeBO3

K Seleznyova, E Smirnova, M Strugatsky… - Journal of Magnetism …, 2022 - Elsevier
Iron borate FeBO 3–a trigonal antiferromagnet with weak ferromagnetism–was used as a
model object for experimental and theoretical studies of thermal expansion. X-ray diffraction …

Polarization-based perturbations to thermopower and electronic conductivity in highly conductive tungsten bronze structured : Relaxors vs normal …

JA Bock, S Trolier-McKinstry, GD Mahan, CA Randall - Physical Review B, 2014 - APS
Electrical conductivity, thermopower, and lattice strain were investigated in the tetragonal
tungsten bronze structured (Sr x, Ba 1− x) Nb 2 O 6− δ system for 0.7> x> 0.4 with large …

Growth and Structure of Strong Pockels Material Strontium Barium Niobate on SrTiO3 and Si by Molecular Beam Epitaxy

IM Beskin, S Kwon, AB Posadas… - Advanced Photonics …, 2021 - Wiley Online Library
Strontium barium niobate (Sr x Ba1–x Nb2O6, referred to as SBN) is a material of interest for
making efficient optical modulators due to its very high electro‐optic (EO or Pockels) …

Local structure of relaxor ferroelectric from a pair distribution function analysis

M Paściak, P Ondrejkovic, J Kulda, P Vaněk… - Physical Review B, 2019 - APS
Pair distribution function analysis of neutron-scattering data and of ab initio molecular
dynamics results have been employed to study short-range structural correlations and their …

[HTML][HTML] Electric field and aging effects of uniaxial ferroelectrics SrxBa1−xNb2O6 probed by Brillouin scattering

M Aftabuzzaman, MA Helal, R Paszkowski, J Dec… - Scientific Reports, 2017 - nature.com
Static and dynamic heterogeneity of disordered system is one of the current topics in
materials science. In disordered ferroelectric materials with random fields, dynamic polar …

Role of coordination site in governing the structural, electronic and optical properties of Ca-doped strontium barium niobate

T Ahmad, M Tomar, K Jindal, PK Jha - Physica Scripta, 2022 - iopscience.iop.org
The structural, electronic and optical properties of Ca doped SBN60 are studied via first
principle calculations based on density functional theory. Influence of Sr site substitution by …

Coexisting polarization mechanisms in the ferroelectric uniaxial tetragonal tungsten bronze

E Buixaderas, Š Svirskas, C Kadlec, M Savinov… - Physical Review B, 2024 - APS
Using a broadband dielectric spectroscopy approach (1 to 10 14 Hz) we prove that the
tungsten bronze C a 0.3 B a 0.7 N b 2 O 6 (CBN-30) displays a ferroelectric phase transition …

Active and passive defects in tetragonal tungsten bronze relaxor ferroelectrics

BX Wang, MJ Krogstad, H Zheng… - Journal of Physics …, 2022 - iopscience.iop.org
Tetragonal tungsten bronze (TTB) based oxides constitute a large family of dielectric
materials which are known to exhibit complex distortions producing incommensurately …

Grain-size-insensitive dielectric properties of Sr0. 6Ba0. 4Nb2O6 relaxor ferroelectric ceramics with tetragonal tungsten bronze structure

M Tsuchiya, S Fujihara, M Hagiwara - Ceramics International, 2022 - Elsevier
The influence of grain size on the dielectric properties of Sr 0.6 Ba 0.4 Nb 2 O 6 (SBN60)
ceramics with a tetragonal tungsten bronze structure was examined. The conventional and …