Designing rare earth-free high entropy oxides with a tungsten bronze structure for thermoelectric applications

SS Jana, T Maiti - Materials Horizons, 2023 - pubs.rsc.org
In recent years, forming high entropy oxides has emerged as one of the promising
approaches to designing oxide thermoelectrics. Entropy engineering is an excellent strategy …

Structural origins of dielectric anomalies in the filled tetragonal tungsten bronze Sr2NaNb5O15

JP Tidey, U Dey, AM Sanchez, WT Chen… - Communications …, 2024 - nature.com
The tetragonal tungsten bronze, Sr2NaNb5O15, shows promise for application in high-
temperature high-efficiency capacitors vital for the sustainable energy revolution. Previously …

[PDF][PDF] Structure of strontium barium niobate SrxBa1− xNb2O6 (SBN) in the composition range 0.32≤ x≤ 0.82

S Podlozhenov, HA Graetsch, J Schneider… - … Section B: Structural …, 2006 - journals.iucr.org
The structure of strontium barium niobate crystals SrxBa1− xNb2O6 is comprehensively
studied in the whole range of the tetragonal tungsten bronze phase (x= 0.32–0.82) using …

Coupling between octahedral tilting and ferroelectric order in tetragonal tungsten bronze-structured dielectrics

I Levin, MC Stennett, GC Miles, D Woodward… - Applied physics …, 2006 - pubs.aip.org
Strong coupling between local polar displacements and a commensurate octahedral tilting
is proposed to explain the onset of classic ferroelectric behavior in tetragonal tungsten …

Single crystal growth and phase transition mechanism of KCsMoP 2 O 9 with efficient second harmonic generation via the emerging additional periodic phase …

M Fan, G Wu, L Li, F Yu, C Wang, X Cheng… - Journal of Materials …, 2023 - pubs.rsc.org
Large size and high quality single crystals are the prerequisite to fully evaluate their physical
properties and potential technical applications. Herein, centimeter-sized KCsMoP2O9 …

Incommensurate modulation and competing ferroelectric/antiferroelectric modes in tetragonal tungsten bronzes

V Krayzman, A Bosak, HY Playford, B Ravel… - Chemistry of …, 2022 - ACS Publications
The nanoscale structure of Sr0. 61Ba0. 39Nb2O6, a classic uniaxial relaxor ferroelectric
crystallizing with the tetragonal tungsten bronze (TTB) structure and exhibiting an …

Dielectric and structural studies of Ba2MTi2Nb3O15 (BMTNO15, M= Bi3+, La3+, Nd3+, Sm3+, Gd3+) tetragonal tungsten bronze-structured ceramics

MC Stennett, IM Reaney, GC Miles… - Journal of applied …, 2007 - pubs.aip.org
Dielectric and structural studies of Ba2MTi2Nb3O15 (⁠BMTNO15⁠, M=Bi3+,La3+,Nd3+,Sm3+,Gd3+⁠)
tetragonal tungsten bronze-structured ceramics | Journal of Applied Physics | AIP Publishing …

A-Site Cation Disorder in SrxBa1–xNb2O6 (x = 0.25, 0.33, 0.50, 0.61) Studied by High-Resolution Resonant X-ray Powder Diffraction

OG Grendal, AN Fitch, SS Aamlid - ACS omega, 2023 - ACS Publications
The dielectric and ferroelectric properties of Sr x Ba1–x Nb2O6 (SBN, 0.2< x< 0.8) are
known to be affected by the Sr fraction and can be further controlled by various quenching …

[PDF][PDF] Equivalence of superspace groups

S van Smaalen, BJ Campbell… - … Section A: Foundations of …, 2013 - journals.iucr.org
An algorithm is presented which determines the equivalence of two settings of a (3+ d)-
dimensional superspace group (d= 1, 2, 3). The algorithm has been implemented as a web …

Origin of the crossover from ferroelectric to relaxor in tetragonal tungsten bronzes

H Liu, B Dkhil - Journal of Alloys and Compounds, 2022 - Elsevier
The polar behavior of tetragonal tungsten bronze (TTB)(Sr x Ba 1− x) Nb 2 O 6 (SBN) is
known to vary from normal ferroelectric to relaxor when x> 0.5. However, the mechanism …