Ultra-fast high-temperature sintering of strontium titanate
Abstract Ultrafast High-temperature Sintering (UHS) is a novel sintering process enabling
extremely high heating rates by direct contact of sample to electrically heated thin carbon …
extremely high heating rates by direct contact of sample to electrically heated thin carbon …
Grain growth in perovskites: What is the impact of boundary transitions?
W Rheinheimer, MJ Hoffmann - Current Opinion in Solid State and …, 2016 - Elsevier
Several perovskite ceramics are known to have non-Arrhenius type grain growth and to
show grain growth transitions instead. These growth transitions are coupled to bimodal …
show grain growth transitions instead. These growth transitions are coupled to bimodal …
Strategies and practices for suppressing abnormal grain growth during liquid phase sintering
Abnormal grain growth (AGG), where a small number of grains grow to sizes much larger
than the neighboring matrix grains, is a frequent occurrence in liquid phase sintering of …
than the neighboring matrix grains, is a frequent occurrence in liquid phase sintering of …
Li7La3Zr2O12 solid electrolyte sintered by the ultrafast high-temperature method
All-solid-state Li batteries (ASSLBs) are regarded as the systems of choice for future
electrochemical energy storage. Particularly, the garnet Li 7 La 3 Zr 2 O 12 (LLZO) is one of …
electrochemical energy storage. Particularly, the garnet Li 7 La 3 Zr 2 O 12 (LLZO) is one of …
The impact of flash sintering on densification and plasticity of strontium titanate: high heating rates, dislocation nucleation and plastic flow
Flash sintering involves very rapid densification of ceramic powder compacts during a
thermal runaway induced by an applied voltage and current. The mechanisms of fast …
thermal runaway induced by an applied voltage and current. The mechanisms of fast …
The role of point defects and defect gradients in flash sintering of perovskite oxides
The present study investigates the impact of point defects and their redistribution on the flash
sintering process. Strontium titanate was chosen as a model system for the group of …
sintering process. Strontium titanate was chosen as a model system for the group of …
Observations of unexpected grain boundary migration in SrTiO3
High-energy x-ray diffraction microscopy (HEDM) nondestructively maps microstructures in
3D, allowing for the same grains and boundaries to be tracked over time during annealing …
3D, allowing for the same grains and boundaries to be tracked over time during annealing …
Tuning the anisotropic facet of SrTiO3 to promote spatial charge separation for enhancing photocatalytic CO2 reduction properties
Q Shen, W Kang, L Ma, Z Sun, B Jin, H Li… - Chemical Engineering …, 2023 - Elsevier
A key issue in artificial photosynthesis is how to improve the separation and transport
efficiency of photogenerated carriers. The use of facet effect to promote the spatial charge …
efficiency of photogenerated carriers. The use of facet effect to promote the spatial charge …
Grain growth and segregation in Fe-doped SrTiO3: Experimental evidence for solute drag
MP Zahler, SM Kraschewski, H Stoermer… - Journal of the European …, 2023 - Elsevier
In functional ceramics, the impact of dopants on bulk crystals is generally well understood.
Their impact on grain boundaries is less well known. The present study investigates the …
Their impact on grain boundaries is less well known. The present study investigates the …
Non-Arrhenius behavior of grain growth in strontium titanate: New evidence for a structural transition of grain boundaries
W Rheinheimer, MJ Hoffmann - Scripta Materialia, 2015 - Elsevier
The grain growth constant of strontium titanate shows a transition to slower grain growth in
the temperature range between 1300° C and 1390° C. The current study refines recently …
the temperature range between 1300° C and 1390° C. The current study refines recently …