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Meeting MS&T22: Materials Science & Technology
Symposium Emergent Materials under Extremes and Decisive In Situ Characterizations
Sponsorship ACerS Basic Science Division
Organizer(s) Xiaofeng Guo, Washington State University
Hongwu Xu, Los Alamos National Laboratory
Xujie Lu, Center for High Pressure Science & Technology Advanced Research
Hua Zhou, Argonne National Laboratory
Judith Driscoll, University of Cambridge
Scope The past decade has seen tremendous advances in technologies for achieving extreme conditions such as static high pressure, shock wave, high/low temperature, high magnetic field, irradiations, as well as large strains and quantum confined systems. These advances are opening a new era in materials discovery with orders of magnitude more materials to be produced at extremes than all that have been explored at ambient condition. Under extremes, materials will exhibit emergent and/or enhanced properties and functionalities that cannot be obtained using traditional methods. Challenges exist, however, in realizing these extreme systems and in developing associated characterization methodology under extremes. <I>In-situ</I> and operando techniques implemented at accelerator-based large-scale facilities (synchrotron, neutron and free-electron-laser sources) are highly desirable to investigate the structural and property changes of materials under extremes, as well as to develop decisive understanding of the structure-property relationship and underlying mechanisms for the emergent properties. With the development of advanced characterization methods, together with novel extreme technologies, numerous exciting opportunities are emerging for materials research at extremes. We envision this symposium to highlight most recent findings, trends, and perspectives in new materials and novel phenomena at extreme conditions and the associated cutting-edge characterization technologies.

Topics will include:
• Materials design and exploration in high-pressure and/or high-temperature environments;
• Quantum confined systems such as low dimensional electron systems (2D electrons and 2D holes);
• Evolution of properties under extremes - mechanical, thermal, electrical, optical, magnetic, etc.;
• Emergent properties and functionalities induced by extreme conditions, the underlying mechanisms, and structure-property relationships;
• <I>In-situ</I> and operando characterizations of functional materials under extreme conditions such as static high pressure, high/low temperature, supercritical environments, high magnetic field, various irradiations (e.g. ions, electrons, photons) and shock waves etc.;
• Advanced characterization techniques based on synchrotron, neutron, and free-electron-laser facilities -diffraction, scattering, spectroscopy, imaging and dynamics/transient techniques.

Abstracts Due 05/15/2022

Characterization of Disordered Oxides with Neutron Total Scattering
Determination of P-V Equation of State of a Natural Clinoptilolite Using High Pressure Synchrotron X-ray Diffraction
Electrochemical Deposition with Redox Replacement of Lanthanum with Uranium in Molten LiCl-KCl
In-Situ High Temperature Neutron and X-ray Studies of Corrosion Kinetics and Salt Properties
In Situ Microstructural Characterization of Metallic Nuclear Fuels
Influence of Cementite Morphology and Its Orientation on Deformation and Fracture of Pearlitic Steel Wire
Novel Automated Approaches for Studying Extended In Situ Mechanical and High Temperature Transformations of New Materials and Alloys in Scanning Electron and X-ray Microscopy
Opportunities in High-pressure Science Enabled by Next Generation Synchrotron Sources
Structural Transformations Induced under Coupled Extreme Conditions
The Role of Anisotropic Diffusion on the Bubble/Void Superlattice Formation in Metals
Understanding Surface Radiation Damage in Concentrated Solid-Solution Alloys by Nanoindentation
In-Situ X-ray Absorption Spectroscopy of Actinide Speciation in Aqueous Fluids at Extreme Conditions

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