Journal of Northeastern University(Natural Science)

Journal of Northeastern University ›› 2011, Vol. 32 ›› Issue (5): 712-715.DOI: -

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Preparing La0.4Sr0.6TiO3 buffer on different seed layers using metal-organic deposition

Luo, Qing-Wei (1); Ran, A-Qian (1); Hong, Song-Chol (1); Fan, Zhan-Guo (1)   

  1. (1) School of Materials and Metallurgy, Northeastern University, Shenyang 110819, China; (2) Institute of Physical Engineering, Kim Chaek University of Technology, Pyongyang, Korea, People's Democratic Rep
  • Received:2013-06-19 Revised:2013-06-19 Published:2013-04-04
  • Contact: Luo, Q.-W.
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Abstract: La0.4Sr0.6TiO3, LaTiO3, and SrTiO3 seed layers were prepared on biaxially textured Ni-5% W alloy substrates by metal-organic deposition (MOD) methodology, and then a La0.4Sr0.6TiO3 buffer layer was deposited on each seed layers. SEM imaging showed that the grains of seed layers had similar size and were distributed uniformly. The effect of different seed layers on the quality of LSTO films was investigated by XRD and SEM. Well-oriented, smooth, and dense La0.4Sr0.6TiO3 films were prepared on LaTiO3 seed layers under an Ar-4% H2 atmosphere with an annealing temperature of 950°C.

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