High entropy oxides: The role of entropy, enthalpy and synergy

被引：241

作者：

Sarkar, Abhishek ^{[1
,2
,3
]}

Ben Breitung ^{[3
]}

Hahn, Horst ^{[1
,2
,3
,4
,5
]}

机构：

[1] Tech Univ Darmstadt, Joint Res Lab Nanomat, D-64287 Darmstadt, Germany

[2] Karlsruhe Inst Technol, D-64287 Darmstadt, Germany

[3] Karlsruhe Inst Technol KIT, Inst Nanotechnol, Hermann von Helmholtz Pl 1, D-76344 Eggenstein Leopoldshafen, Germany

[4] Univ Calif Irvine, Dept Mat Sci & Engn, Irvine, CA USA

[5] Nanjing Univ Sci & Technol, Herbert Gleiter Inst Nanosci, Nanjing, Peoples R China

来源：

SCRIPTA MATERIALIA | 2020年 / 187卷

基金：

欧盟地平线“2020”;

关键词：

Multicomponent equiatomic systems; High entropy ceramics; Entropy-stabilization; Functional properties; RARE-EARTH; DISTORTION; CATALYSTS; ALLOYS; CO;

D O I：

10.1016/j.scriptamat.2020.05.019

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

This viewpoint article focuses on some of the important issues related to the emerging field of high entropy oxides (HEOs). Open queries regarding the role of entropy, enthalpy, individual elements and synergy arising from the presence of multiple elements in HEOs are discussed. In addition, a brief overview of the current state of research on HEOs is provided. Finally, we share our views on the uniqueness of HEOs by describing some features, which distinguish them from the conventional oxides. (C) 2020 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.

引用

页码：43 / 48

页数：6

共 74 条

[11] Gassing Behavior of High-Entropy Oxide Anode and Oxyfluoride Cathode Probed Using Differential Electrochemical Mass Spectrometry [J].

Breitun, Ben ;

Wang, Qingsong ;

Schiele, Alexander ;

Tripkovic, Dordije ;

Sarkar, Abhishek ;

Velasco, Leonardo ;

Wang, Di ;

Bhattacharya, Subramshu S. ;

Hahn, Horst ;

Brezesinski, Torsten .

BATTERIES & SUPERCAPS, 2020, 3 (04) :361-369

[12] Microstructural development in equiatomic multicomponent alloys [J].

Cantor, B ;

Chang, ITH ;

Knight, P ;

Vincent, AJB .

MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING, 2004, 375 :213-218

[13]

Cantor B, 2014, HIGH-ENTROPY ALLOYS, P1

[14] On the homogeneity of high entropy oxides: An investigation at the atomic scale [J].

Chellali, Mohammed Reda ;

Sarkar, Abhishek ;

Nandam, Sree Harsha ;

Bhattacharya, Subramshu S. ;

Breitung, Ben ;

Hahn, Horst ;

Velasco, Leonardo .

SCRIPTA MATERIALIA, 2019, 166 :58-63

[15] Mechanochemical Synthesis of High Entropy Oxide Materials under Ambient Conditions: Dispersion of Catalysts via Entropy Maximization [J].

Chen, Hao ;

Lin, Wenwen ;

Zhang, Zihao ;

Jie, Kecheng ;

Mullins, David R. ;

Sang, Xiahan ;

Yang, Shi-Ze ;

Jafta, Charl J. ;

Bridges, Craig A. ;

Hu, Xiaobing ;

Unocic, Raymond R. ;

Fu, Jie ;

Zhang, Pengfei ;

Dai, Sheng .

ACS MATERIALS LETTERS, 2019, 1 (01) :83-88

[16] Entropy-stabilized metal oxide solid solutions as CO oxidation catalysts with high-temperature stability [J].

Chen, Hao ;

Fu, Jie ;

Zhang, Pengfei ;

Peng, Honggen ;

Abney, Carter W. ;

Jie, Kecheng ;

Liu, Xiaoming ;

Chi, Miaofang ;

Dai, Sheng .

JOURNAL OF MATERIALS CHEMISTRY A, 2018, 6 (24) :11129-11133

[17] A five-component entropy-stabilized fluorite oxide [J].

Chen, Kepi ;

Pei, Xintong ;

Tang, Lei ;

Cheng, Haoran ;

Li, Zemin ;

Li, Cuiwei ;

Zhang, Xiaowen ;

An, Linan .

JOURNAL OF THE EUROPEAN CERAMIC SOCIETY, 2018, 38 (11) :4161-4164

[18] Ultra compact electrochemical metallization cells offering reproducible atomic scale memristive switching [J].

Cheng, Bojun ;

Emboras, Alexandros ;

Salamin, Yannick ;

Ducry, Fabian ;

Ma, Ping ;

Fedoryshyn, Yuriy ;

Andermatt, Samuel ;

Luisier, Mathieu ;

Leuthold, Juerg .

COMMUNICATIONS PHYSICS, 2019, 2 (1)

[19]

Chiang Y.M., 1997, Physical ceramics - Principles for ceramic science and engineering MIT Series in Material Science and Engineering

[20]

Chuang M.-H., 2016, HIGH ENTROPY ALLOYS

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