Symposium SF01-High Entropy Oxides and Related Materials

High entropy materials have emerged as a highly tunable platform for fundamental inquiry and functional properties. These high entropy materials, with their deliberately high configurational disorder due to multiple elements sharing a single crystalline lattice, are a fundamentally new platform for engineering materials with designer properties. The high configurational entropy in these materials allows new phases to be stabilized and imbues them with enhanced structural stability, a necessary characteristic for a wide-range of applications. High entropy materials have been linked to a wide range of possibly transformative functional behaviors related to their electronic and thermal transport, magnetic order and frustration, and ion conductivity. While configurational disorder is assumed to underlie the formation and properties exhibited by some of these materials, there are many open questions in the quest to understand precisely how that entropy acts and how it intersects with other relevant energy scales. This symposium will emphasize understanding the role of entropy in determining materials properties and the design of new materials platforms. Special attention will be paid to identifying novel features of high entropy systems containing both cation and anion sublattice(s), such as high entropy oxides, carbides, nitrides and di-borides which may be expected to provide unique solutions to unresolved fundamental and applied problems in physics, materials science, and chemistry.

Topics will include:

Theoretical modeling and machine learning approaches to high entropy materials
Local structure and distortions in high entropy oxides and related materials
Synthesis methods and crystal growth of high entropy oxides and related materials
Functional behaviors of high entropy materials including electrochemical properties and catalysis
Thermal, electrical, and magnetic properties of high entropy oxides
Thermodynamics and kinetics of high entropy oxides
New high entropy polytypes: sulfides, selenides, fluorides, mixed anion systems
Ultra-hard high entropy ceramics (carbides, nitrides, di-borides)

Invited Speakers:

Solveig Aamlid (The University of British Columbia, Canada)
Jasmin Aghassi-Hagmann (Karlsruhe Institute of Technology, Germany)
Lavina Backman (U.S. Naval Research Laboratory, USA)
Subramshu Bhattacharya (Indian Institute of Technology Madras, India)
Torsten Brezesinski (Karlsruhe Institute of Technology, Germany)
Valentino Cooper (Oak Ridge National Laboratory, USA)
Ismaila Dabo (The Pennsylvania State University, USA)
Sheng Dai (Oak Ridge National Laboratory, USA)
Theresa Davey (Bangor University, United Kingdom)
Nita Dragoe (Université Paris-Sud, France)
Alan Farhan (Baylor University, USA)
Horst Hahn (Karlsruhe Institute of Technology, Germany)
Christian Kübel (Technische Universität Darmstadt, Germany)
Alfred Ludwig (Ruhr-Universität Bochum, Germany)
Yanjiao Ma (Nanjing Normal University, China)
Alessandro Mazza (Los Alamos National Laboratory, USA)
Katharine Page (The University of Tennessee, Knoxville, USA)
Christina Rost (James Madison University, USA)
Saveria Santangelo (Università degli Studi Mediterranea di Reggio Calabria, Italy)
Simon Schweidler (Karlsruhe Institute of Technology, Germany)
Cormac Toher (The University of Texas at Dallas, USA)
Qingsong Wang (Universität Bayreuth, Germany)
Ayako Yamamoto (Shibaura Institute of Technology, Japan)