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Meeting Materials Science & Technology 2020
Symposium Manufacturing and Processing of Advanced Ceramic Materials
Presentation Title Neutrons Guide Materials Design and Synthesis of Functional Oxides
Author(s) Yan Chen, Ke An
On-Site Speaker (Planned) Yan Chen
Abstract Scope It is critical to precisely control atoms ordering, manipulate defect content and engineer morphology in material synthesis, in order to achieve advanced functionality in complex oxides. Understanding of synthesis mechanism accelerates smart material and process design beyond the less-efficient trial-and-error paradigm. Proven as a powerful tool, neutron diffraction is sensitive in detecting light elements (O, C, Li, etc.) and differentiating the neighboring transition-metal-elements. By utilizing sample environments that mimic material synthesis, in-situ neutron diffraction monitors the structure evolution in real time, and particularly, visualizes reversible transitions and intermediate phase involvement. Taking energy storage and conversion materials as examples, the synthesis mechanism and kinetics are revealed from the atomic structure change in material processing, such as solid-state synthesis, powder compacting and ball-milling, correlating to the functional performance. The picture neutron diffraction draws loops back to guide the synthesis and optimization for advanced materials.


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A Rational Design of Ultra-uniform Nanocrystalline Materials
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Investigating the Dependence of Microstructure Evolution in Alumina on the Liquid Phase Chemistry in the CaO-Al2O3-SiO2 System: Densification, Grain Growth and Secondary Phase Formation
Laser Shock Processing of Silicon Carbide Ceramics
Neutrons Guide Materials Design and Synthesis of Functional Oxides
Opportunities for Tailored Grain Boundary Networks in Thermomagnetically Processed Alumina Ceramics
Optimized Etching of Porcelain and Polycrystalline Alumina with a Glass Phase
Processing and Properties of High Thermal Conductive Silicon Nitride Ceramics
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Synthesis and Flash Sintering of (Hf1-xZrx)B2 Solid Solution Fine Powders
Thermal Stability and Mechanical Properties of High-entropy Carbide Ceramics with Submicron Grain Size Fabricated by Spark Plasma Sintering
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