CeO2 facets control: from single (100) to multiple
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Updated: Sep 25, 2025

Designing Microfluidic Devices for Studying Cellular Responses Under Single or Coexisting Chemical/Electrical/Shear Stress Stimuli
Published on: August 13, 2016
Wenzhe Si1,2, Yu Wang1,3, Yue Peng1
1State Key Joint Laboratory of Environment Simulation and Pollution Control, National Engineering Laboratory for Multi Flue Gas Pollution Control Technology and Equipment, School of Environment, Tsinghua University Beijing 100084 P. R. China chenjianjun@tsinghua.edu.cn.
Abstract:
The synthesis of high energy facets and tunable low energy facets was achieved in CeO2 films on a SrTiO3 substrate by pulsed laser deposition. Three different facets of CeO2 with distinctive morphologies appeared consecutively. Firstly, the (100) facet of CeO2, which is the highest energy surface, was grown on the SrTiO3 (STO) (100) substrate. The surface energy was decreased gradually with the increase of the laser pulse shots, and the (110) and (111) LEF appeared consecutively. The three different facets presented distinctive morphologies and the interface between each facet could be easily observed by the cross section of Transmission Electron Microscope (TEM) imaging. The interface between the (100) and (110) facet may exhibit excellent oxygen storage capacity, even better than the (100) facet.
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