Design and synthesis of chemically complex ceramics from the perspective of entropy

High-entropy ceramics (HECs) have rapidly expanded from high-entropy oxides to high-entropy ultrahigh temperature ceramics/coatings and have drawn extensive attention in the field of ceramics. In addition, high-entropy thermoelectric materials focus on the topic of energy, which is another major dri...

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Main Authors:	J. Liu, G. Shao, D. Liu, K. Chen, K. Wang, B. Ma, K. Ren, Y. Wang
Format:	Article
Language:	English
Published:	Elsevier 2020-12-01
Series:	Materials Today Advances
Subjects:	High-entropy ceramics Configurational entropy Multicomponent Oxides Aliovalent cation Flash sintering
Online Access:	http://www.sciencedirect.com/science/article/pii/S2590049820300618

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spelling	doaj-baa3af185ad94abca533c9697fbc4a002020-12-23T05:04:04ZengElsevierMaterials Today Advances2590-04982020-12-018100114Design and synthesis of chemically complex ceramics from the perspective of entropyJ. Liu0G. Shao1D. Liu2K. Chen3K. Wang4B. Ma5K. Ren6Y. Wang7State Key Laboratory of Traction Power & School of Mechanics and Engineering, Southwest Jiaotong University, Chengdu, Sichuan 610031, China; Corresponding author.School of Materials Science and Engineering, Zhengzhou University, Zhengzhou, Henan 450001, ChinaSchool of Materials Science and Engineering, Southwest Jiaotong University, Chengdu, Sichuan 610031, ChinaSchool of Energy, Power and Mechanical Engineering, North China Electric Power University, Beijing, 102206, ChinaSchool of Mechanical Engineering, Dongguan University of Technology, Dongguan, Guangdong, 523808, ChinaSchool of Mechanical Engineering, Dongguan University of Technology, Dongguan, Guangdong, 523808, ChinaInstitute of Advanced Structure Technology, Beijing Institute of Technology, Haidian District, Beijing, 100081, ChinaInstitute of Advanced Structure Technology, Beijing Institute of Technology, Haidian District, Beijing, 100081, China; Corresponding author.High-entropy ceramics (HECs) have rapidly expanded from high-entropy oxides to high-entropy ultrahigh temperature ceramics/coatings and have drawn extensive attention in the field of ceramics. In addition, high-entropy thermoelectric materials focus on the topic of energy, which is another major driving force to accelerate the development of HECs. In this review, the recent progress on the design and synthesis of chemically complex ceramics is summarized. The fundamental understanding of configurational entropy, phase stability, and formation criterion of HECs are discussed. Critical comments on the compositionally complex ceramics and mixed-valence complex ceramics are presented. The synthesis methods of HECs are summarized, and reactive flash sintering is highlighted as a new strategy to synthesize HECs. The new design ideas and synthesis methods can provide more opportunities to develop high-performance HECs to meet the requirements of cutting-edge applications.http://www.sciencedirect.com/science/article/pii/S2590049820300618High-entropy ceramicsConfigurational entropyMulticomponentOxidesAliovalent cationFlash sintering
collection	DOAJ
language	English
format	Article
sources	DOAJ
author	J. Liu G. Shao D. Liu K. Chen K. Wang B. Ma K. Ren Y. Wang
spellingShingle	J. Liu G. Shao D. Liu K. Chen K. Wang B. Ma K. Ren Y. Wang Design and synthesis of chemically complex ceramics from the perspective of entropy Materials Today Advances High-entropy ceramics Configurational entropy Multicomponent Oxides Aliovalent cation Flash sintering
author_facet	J. Liu G. Shao D. Liu K. Chen K. Wang B. Ma K. Ren Y. Wang
author_sort	J. Liu
title	Design and synthesis of chemically complex ceramics from the perspective of entropy
title_short	Design and synthesis of chemically complex ceramics from the perspective of entropy
title_full	Design and synthesis of chemically complex ceramics from the perspective of entropy
title_fullStr	Design and synthesis of chemically complex ceramics from the perspective of entropy
title_full_unstemmed	Design and synthesis of chemically complex ceramics from the perspective of entropy
title_sort	design and synthesis of chemically complex ceramics from the perspective of entropy
publisher	Elsevier
series	Materials Today Advances
issn	2590-0498
publishDate	2020-12-01
description	High-entropy ceramics (HECs) have rapidly expanded from high-entropy oxides to high-entropy ultrahigh temperature ceramics/coatings and have drawn extensive attention in the field of ceramics. In addition, high-entropy thermoelectric materials focus on the topic of energy, which is another major driving force to accelerate the development of HECs. In this review, the recent progress on the design and synthesis of chemically complex ceramics is summarized. The fundamental understanding of configurational entropy, phase stability, and formation criterion of HECs are discussed. Critical comments on the compositionally complex ceramics and mixed-valence complex ceramics are presented. The synthesis methods of HECs are summarized, and reactive flash sintering is highlighted as a new strategy to synthesize HECs. The new design ideas and synthesis methods can provide more opportunities to develop high-performance HECs to meet the requirements of cutting-edge applications.
topic	High-entropy ceramics Configurational entropy Multicomponent Oxides Aliovalent cation Flash sintering
url	http://www.sciencedirect.com/science/article/pii/S2590049820300618
work_keys_str_mv	AT jliu designandsynthesisofchemicallycomplexceramicsfromtheperspectiveofentropy AT gshao designandsynthesisofchemicallycomplexceramicsfromtheperspectiveofentropy AT dliu designandsynthesisofchemicallycomplexceramicsfromtheperspectiveofentropy AT kchen designandsynthesisofchemicallycomplexceramicsfromtheperspectiveofentropy AT kwang designandsynthesisofchemicallycomplexceramicsfromtheperspectiveofentropy AT bma designandsynthesisofchemicallycomplexceramicsfromtheperspectiveofentropy AT kren designandsynthesisofchemicallycomplexceramicsfromtheperspectiveofentropy AT ywang designandsynthesisofchemicallycomplexceramicsfromtheperspectiveofentropy
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Design and synthesis of chemically complex ceramics from the perspective of entropy

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