A novel La0.8Ba0.2CrO3–YSZ NTC composite ceramic with “core–shell” structures

  • Yang Zheng
  • Mingxing Chen
  • Huimin ZhangEmail author
  • Panfei Ma
  • Ting Liu
  • Hui Jiang
  • Aimin ChangEmail author


A “core–shell” structure by physical coating was applied to NTC ceramics for adjusting the resistance value and it almost does not change the thermal constant B. The yttrium stabilized zirconia (YSZ) with high ρ was chosen as the core and the La0.8Ba0.2CrO3 with low ρ and low B was chosen as the shell for the La0.8Ba0.2CrO3–YSZ NTC ceramics with “core–shell” structures. The “core–shell” NTC ceramics were successfully fabricated by classical uniaxial pressing method. After sintering at 1550 °C for 4 h, the core and shell adhered very well without any cracking. The resistance value increased with the increase in the diameter of the core while without causing much change in the B value.



This study was supported by the National Natural Science Foundation of China (Grant No. 51872326), Xinjiang Key Laboratory Foundation (Grant No. 2018D04006).


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Authors and Affiliations

  1. 1.Key Laboratory of Functional Materials and Devices for Special Environments of CAS, Xinjiang Key Laboratory of Electronic Information Materials and DevicesXinjiang Technical Institute of Physics & Chemistry of CASUrumqiChina
  2. 2.University of Chinese Academy of SciencesBeijingChina

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