On the confluence of ultrafast high‐temperature sintering and flash sintering phenomena

R Raj, DE Wolf, CN Yamada, SK Jha… - Journal of the …, 2023 - Wiley Online Library
Ultrafast high‐temperature sintering (UHS) and flash sintering are novel methods for rapid
sintering of ceramics, often completed in just a few seconds. Here, we show that both also …

Transmission line revisited–the impedance of mixed ionic and electronic conductors

AE Bumberger, A Nenning, J Fleig - Physical Chemistry Chemical …, 2024 - pubs.rsc.org
This contribution provides a comprehensive guide for evaluating the one-dimensional
impedance response of dense mixed ionic and electronic conductors based on a physically …

3D printing of robust 8YSZ electrolytes with a hyperfine structure for solid oxide fuel cells

J Yuan, Y Chen, J Sun, Y Wang, M Lin… - ACS Applied Energy …, 2023 - ACS Publications
Fully stabilized zirconia (8YSZ) has been considered a promising candidate for fabricating
electrolytes of solid oxide fuel cells (SOFCs) due to the excellent oxygen ionic conductivity …

Transition to electronic conduction at the onset of flash in cubic zirconia

S Jo, R Raj - Scripta Materialia, 2020 - Elsevier
We report in-situ measurements of impedance spectroscopy during flash experiments with
single crystals of cubic-yttria stabilized zirconia, conducted in ambient air at 300° C to 700° …

Impact of strontium substitution on the structural, magnetic, dielectric and ferroelectric properties of Ba1-xSrxFe11Cr1O19 (x= 0.0–0.8) hexaferrites

M Atif, MH Alvi, S Ullah, AU Rehman, M Nadeem… - Journal of Magnetism …, 2020 - Elsevier
Strontium substituted barium hexaferrites ie, Ba 1-x Sr x Fe 11 Cr 1 O 19 with x= 0.0–0.8
were prepared via co-precipitation technique. Single-phase magnetoplumbite structure was …

Influence of flash sintering on the ionic conductivity of 8 mol% yttria stabilized zirconia

X Vendrell, D Yadav, R Raj, AR West - Journal of the European Ceramic …, 2019 - Elsevier
The ionic conductivity of flash-sintered, polycrystalline 8 mol% yttria stabilized zirconia
(8YSZ) was enhanced compared with that of conventionally-sintered specimens. Flash …

Dislocation-mediated oxygen–ionic conductivity in yttria-stabilized zirconia

QK Muhammad, M Scherer, AK Opitz, S Taibl… - ACS Nano, 2022 - ACS Publications
Yttria-stabilized zirconia (YSZ) has become an indispensable solid electrolyte material in
modern solid oxide fuel and electrolysis cells (SOFCs/SOECs) as well as oxygen sensors …

Elucidating the Importance of Quaternary Dopants in Stabilizing Cubic LLZO at Low Temperature

S Umesh, VK Jayaraman… - The Journal of Physical …, 2024 - ACS Publications
Future-generation solid-state Li batteries could benefit from the use of garnet-type
Li7La3Zr2O12 (LLZO) as an electrolyte. However, attaining a stable and highly ionic …

Understanding the rapid reoxidation process and the electrical properties of Spark Plasma sintered pyrochlores

EL dos Santos Veiga, H Beltrán-Mir, S Fourcade… - Journal of the European …, 2024 - Elsevier
Pyrochlore structures with composition Pr 2− x Sm x Zr 2 O 7 (x= 0, 1, and 2) were
synthetized and studied. Spark Plasma Sintering (SPS) was employed to produce ceramics …

Electrical properties of calcia-stabilised zirconia ceramics

J Ramírez-González, AR West - Journal of the European Ceramic Society, 2020 - Elsevier
The electrical properties of cubic, calcia-stabilised zirconia ceramics, Ca x Zr 1-x O 2-x:
0.12≤ x≤ 0.18 have been investigated using impedance spectroscopy to separate bulk …