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author:

Zhang, Xuesong (Zhang, Xuesong.) [1] | Xue, Liyan (Xue, Liyan.) [2] | Yang, Fan (Yang, Fan.) [3] | Shao, Zhiheng (Shao, Zhiheng.) [4] | Zhang, Hao (Zhang, Hao.) [5] | Zhao, Zhigang (Zhao, Zhigang.) [6] | Wang, Kaixian (Wang, Kaixian.) [7]

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EI

Abstract:

A single-phase homogeneous (La0.2Y0.2Nd0.2Gd0.2Sr0.2)CrO3 powder with high configurational entropy was synthesized by using the sol-gel method. The powder was obtained under mild experimental conditions, the crystal grains were fine and uniform, and the elements were evenly dispersed. We sintered the powders into monolithic porous green body by adding cellulose nanocrystals, which had good electrical conductivity. Their electrical conductivity at room temperature was approximately 6.6743 Ω·cm when the porosity was 38.90%. The experimental results showed that as the porosity increased, the resistivity increased and the thermal conductivity decreased accordingly. This trend occurred because of an increase in the porosity and a decrease in the connection of the particles; thus, the electron hole carriers were subjected to a greater resistance when passing through the junction. The combination of these properties indicates that the porous high-entropy (La0.2Y0.2Nd0.2Gd0.2Sr0.2)CrO3 ceramic possesses promise in the field of high-temperature electrochemical materials. © 2021 Elsevier B.V.

Keyword:

Cellulose nanocrystals Chromium compounds Electric conductivity Entropy Gadolinium compounds Lanthanum compounds Neodymium compounds Porosity Sol-gel process Sol-gels Strontium compounds Thermal conductivity Yttrium compounds

Community:

  • [ 1 ] [Zhang, Xuesong]College of Chemical Engineering, Fuzhou University, Fuzhou; 350002, China
  • [ 2 ] [Zhang, Xuesong]CAS Key Laboratory of Design and Assembly of Functional Nanostructures, and Fujian Provincial Key Laboratory of Nanomaterials, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, 155 Yangqiao Road West, Fuzhou; 350002, China
  • [ 3 ] [Zhang, Xuesong]Fujian Province Joint Innovation Key Laboratory of Fuel and Materials in Clean Nuclear Energy System, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou; 350002, China
  • [ 4 ] [Zhang, Xuesong]Xiamen Institute of Rare Earth Materials, Haixi Institute, Chinese Academy of Sciences, Xiamen; 361021, China
  • [ 5 ] [Xue, Liyan]CAS Key Laboratory of Design and Assembly of Functional Nanostructures, and Fujian Provincial Key Laboratory of Nanomaterials, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, 155 Yangqiao Road West, Fuzhou; 350002, China
  • [ 6 ] [Xue, Liyan]Fujian Province Joint Innovation Key Laboratory of Fuel and Materials in Clean Nuclear Energy System, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou; 350002, China
  • [ 7 ] [Xue, Liyan]Xiamen Institute of Rare Earth Materials, Haixi Institute, Chinese Academy of Sciences, Xiamen; 361021, China
  • [ 8 ] [Yang, Fan]CAS Key Laboratory of Design and Assembly of Functional Nanostructures, and Fujian Provincial Key Laboratory of Nanomaterials, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, 155 Yangqiao Road West, Fuzhou; 350002, China
  • [ 9 ] [Yang, Fan]Fujian Province Joint Innovation Key Laboratory of Fuel and Materials in Clean Nuclear Energy System, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou; 350002, China
  • [ 10 ] [Yang, Fan]Xiamen Institute of Rare Earth Materials, Haixi Institute, Chinese Academy of Sciences, Xiamen; 361021, China
  • [ 11 ] [Shao, Zhiheng]CAS Key Laboratory of Design and Assembly of Functional Nanostructures, and Fujian Provincial Key Laboratory of Nanomaterials, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, 155 Yangqiao Road West, Fuzhou; 350002, China
  • [ 12 ] [Shao, Zhiheng]Fujian Province Joint Innovation Key Laboratory of Fuel and Materials in Clean Nuclear Energy System, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou; 350002, China
  • [ 13 ] [Shao, Zhiheng]Xiamen Institute of Rare Earth Materials, Haixi Institute, Chinese Academy of Sciences, Xiamen; 361021, China
  • [ 14 ] [Zhang, Hao]CAS Key Laboratory of Design and Assembly of Functional Nanostructures, and Fujian Provincial Key Laboratory of Nanomaterials, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, 155 Yangqiao Road West, Fuzhou; 350002, China
  • [ 15 ] [Zhang, Hao]Fujian Province Joint Innovation Key Laboratory of Fuel and Materials in Clean Nuclear Energy System, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou; 350002, China
  • [ 16 ] [Zhang, Hao]Xiamen Institute of Rare Earth Materials, Haixi Institute, Chinese Academy of Sciences, Xiamen; 361021, China
  • [ 17 ] [Zhao, Zhigang]CAS Key Laboratory of Design and Assembly of Functional Nanostructures, and Fujian Provincial Key Laboratory of Nanomaterials, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, 155 Yangqiao Road West, Fuzhou; 350002, China
  • [ 18 ] [Zhao, Zhigang]Fujian Province Joint Innovation Key Laboratory of Fuel and Materials in Clean Nuclear Energy System, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou; 350002, China
  • [ 19 ] [Zhao, Zhigang]Xiamen Institute of Rare Earth Materials, Haixi Institute, Chinese Academy of Sciences, Xiamen; 361021, China
  • [ 20 ] [Wang, Kaixian]CAS Key Laboratory of Design and Assembly of Functional Nanostructures, and Fujian Provincial Key Laboratory of Nanomaterials, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, 155 Yangqiao Road West, Fuzhou; 350002, China
  • [ 21 ] [Wang, Kaixian]Fujian Province Joint Innovation Key Laboratory of Fuel and Materials in Clean Nuclear Energy System, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou; 350002, China
  • [ 22 ] [Wang, Kaixian]Xiamen Institute of Rare Earth Materials, Haixi Institute, Chinese Academy of Sciences, Xiamen; 361021, China

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Source :

Journal of Alloys and Compounds

ISSN: 0925-8388

Year: 2021

Volume: 863

6 . 3 7 1

JCR@2021

5 . 8 0 0

JCR@2023

ESI HC Threshold:142

JCR Journal Grade:1

CAS Journal Grade:2

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count: 19

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 1

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