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Meeting Materials Science & Technology 2020
Symposium Functional Defects in Electroceramic Materials
Sponsorship ACerS Basic Science Division
ACerS Electronics Division
Organizer(s) Hui Xiong, Boise State University
Hua Zhou, Argonne National Laboratory
Yanhao Dong, Tsinghua University
Scope Defects are ubiquitous in ceramic materials, and can fundamentally alter their chemical, physical, optical, thermal and electronic properties as well as their coupling with each other. Many opportunities exist for defect engineering in electroceramics to tune their properties—at not only the ground state but also excited states under external fields and stimuli—specially in a controlled manner. For example, active research in recent years has converted the otherwise inert transition metal oxides and two-dimensional layered materials to new (photo-)electrochemical active materials by dynamically controlling the oxygen defect concentration and distribution (ordered or disordered) to couple existing physical properties. Nevertheless, harnessing functional defects in electroceramics presents continuous important scientific and technological challenges to materials scientists and engineers; advanced theoretical, simulation and experimental tools are urgently required to characterize, visualize, understand, predict, and control formation and migration of defects and interactions between them. Yet these techniques are largely limited or in some cases unavailable at present. To address the pressing needs and challenges, this symposium aims at highlighting the most recent developments, applications, and forefront breakthroughs in harnessing functional defects in a wide range of electroceramic materials via bridging expertise on theoretical modeling/simulation, materials synthesis, functional measurement/control, and advanced characterizations. Particular attention will be paid to high-throughput studies combining simulations and experiments, predictive modeling of defect physics and chemistry, and the synthesis, control, and advanced characterizations of functional defects in electroceramic materials. This topic may also include novel architectures for studying defects, such as the use of epitaxial heterostructures. Also of interest are, in-situ or operando monitoring of functional defect formation/migration/ordering, the interplay between defect responses in ionic lattices and their manipulation by external fields, and use of transformative imaging capabilities to probe defect-driven phenomena in-situ along with their dynamics. This symposium will provide an interactive forum for scientists from various fields interested in defect engineering for both classical and emerging applications. Specific sessions will be organized based on scientific theme topics in order to foster cross-fertilization of ideas and strategies. We will also host sessions with a focus on recent methodological advances in studying point and extended defects in functional materials. We hope this symposium will benefit ceramists with various backgrounds, and will help encourage the implementation of predictive design, smart synthesis/control and advanced characterization approaches to solve the urgent problems in this field.

Confirmed invited speakers include:

Dr. Elizabeth Dickey, North Carolina State University, USA
Dr. Yingge Du, Pacific Northwest National Laboratory, USA
Dr. Panchapakesan Ganesh, Oak Ridge National Laboratory, USA
Dr. Yuichi Ikuhara, University of Tokyo, Japan
Dr. Chris Leighton, University of Minnesota, USA
Dr. Xin Li, Harvard University, USA
Dr. Ekaterina Pomerantseva, Drexel University, USA
Dr. Yue Qi, Michigan State University, USA
Dr. Janelle Wharry, Purdue University, USA
Dr. Di Wu, Washington State University, USA
Dr. Lane Martin, University of California, Berkeley, USA

Abstracts Due 05/31/2020

Co-doping Strategies for Controlling Electrical Conductivity of BaTiO3 Ceramics
Defects Engineering in Epitaxial Complex Oxides for Designed Functionality
Design of Functional Decompositions for Solid State Batteries
Designing Optimal Defect Environments for High Ionic Conductivity and Surface Catalytic Reactions
Energetic Compromise for Achieving “Redox-Site-Rich” in Pseudocapacitive Energy Storage Materials: A Case Study of Nickel – aluminum Layered Double Hydroxides
Energetic Landscape of Functionally Modified 2D Nano-ceramics for Energy Storage
Formation of Two-dimensional Heterointerface in Layered Oxides for Improved Electrode Performance
Functional Defects by Design in Energy and Quantum Materials
Structure and Energetics of Point Defects in Titanium Dioxide
Thermodynamic Insights into Engineering 2D Nano-ceramics Towards Powering Portable Electronic Devices

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