Special Issue on ‘High-Entropy Ceramics’
Guest Editor: Bai Cui Associate Professor University of Nebraska-Lincoln, USA Email: bcui3@unl.edu |
Introduction
The concept of entropy stabilization has created new opportunities for the design and discovery of novel ceramic materials for extreme environments. High-entropy ceramics (HECs) contain no less than four different elements in an equal or near-equal atomic ratio in the cation position, creating a high configurational entropy. Since 2015, various material systems of HECs have been synthesized including oxides, carbides, borides, nitrides, sulfides, and silicides. Their diversity in chemical composition, crystal structure, and electronic structure provides a huge space for tuning the physical properties such as hardness, thermal conductivity, ionic conductivity, irradiation resistance, and electromagnetic wave absorption, leading to promising applications in thermal barrier coatings, thermoelectrics, catalysts, batteries, etc.
The aim of this special issue is to provide an international forum for researchers to present the state-of-the-art development, challenges, and foresight visions in processing and characterizations of HECs, with an emphasis on their new properties and performance in extreme environments.
Possible topics, within this scope, include but are not limited to:
New single phase or composite materials
Novel synthesis and processing methods for powder, bulk, and coating
Processing-microstructure-property relationship
New characterization methods, such as in-situ technique
Thermodynamics, first-principles simulation, and modelling
Mechanical, thermal, electrical, and optical properties
Response in extreme environments
Methods for improving the physical properties
Important dates
Please submit your papers in light of following important dates for the special issue:
Submission deadline: 28 February, 2022
First round of reviews: 31 March, 2022
Final submission and decision: 30 April, 2022
Publication: April - June 2022
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Submission portal at IJEM
https://mc04.manuscriptcentral.com/ijem-caep
Call for Paper
https://v2.fangcloud.com/share/7a7c7a4c6407350b35297765b0