Applied Physics A

, 125:773 | Cite as

Effect of B-site deficiency on the (In, Fe) co-doped SrTiO3

  • Runping Li
  • Cheng Zhang
  • Jianhua LiuEmail author
  • Junwen Zhou
  • Lei Xu


Indium and iron were co-doped at the Ti site of strontium titanate (SrTiO3) as dopant to improve the electrical properties of the anode material for solid oxide fuel cells. The effect of B-site deficiency on the weight loss, phase, lattice parameter, density, microstructure and electrical properties of Sr(Ti0.8In0.1Fe0.1)1−xO3−δ (x = 0, 0.02, 0.06) samples was investigated. A compound solid solution was formed at 977 °C. Sr(Ti0.8In0.1Fe0.1)1−xO3−δ powders sintered at 1435 °C for 5 h in air exhibited a single-phas cubic perovskite structure. With increasing B-site deficiency level, the relative density and sinterability of (In, Fe) co-doped SrTiO3 decrease, whereas its lattice parameter, porosity and total conductivity increase.



This work was supported by the funds for the construction of high-level talents of Kunming University of Science and Technology (KKKP201763019), Research on Microwave Method in Carbon Fiber Preparation (KKK0201863053), Yunnan Science and Technology Major Project (2018ZE008 and 2018ZE027) and the Kunming University of Science and Technology Analysis Test Fund (2017T20170001 and 2018M20172228010).


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Copyright information

© Springer-Verlag GmbH Germany, part of Springer Nature 2019

Authors and Affiliations

  • Runping Li
    • 1
  • Cheng Zhang
    • 2
  • Jianhua Liu
    • 1
    • 2
    Email author
  • Junwen Zhou
    • 1
  • Lei Xu
    • 1
    • 2
  1. 1.Faculty of Metallurgical and Energy EngineeringKunming University of Science and TechnologyKunmingChina
  2. 2.State Key Laboratory of Complex Nonferrous Metal Resources Clean UtilizationKunming University of Science and TechnologyKunmingChina

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