Fabrication of the preferentially orientated LiNbO3 nanoparticles and their ferroelectric behaviors

Details Fabrication of the preferentially orientated LiNbO3 nanoparticles and their ferroelectric behaviors Fabrication of the preferentially orientated LiNbO3 nanoparticles and their ferroelectric behaviors

2008-10-21

arxiv.org/abs/0810.3770v1

Physics

Condensed Matter

Materials Science

15 pages, 4 figures

Scientific paper

(00l)-Oriented LiNbO3 ultra-thin film was fabricated on Pt/Ti/SiO2/Si substrate using pulsed laser deposition. The film shrunk into crystalline state nanoparticles that still kept (00l) preferential orientation as being annealed in the oxygen atmosphere at 500 oC for 2 hours. These LiNbO3 nanoparticles exhibited the ferroelectricity, showing asymmetrical hysteresis loop which might originate from the large internal field at the interface. These nanoparticles could be used for further studying on the size effects and the ferroelectricity of nanocrystal.

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