Self-Organized Ni Nanocrystal Embedded in BaTiO3 Epitaxial Film

Ge, F. F.; Wang, X. M.; Cao, L. H.; Li, J.; Zhang, H. L.; Wang, H. P.; Dai, Y.; Wang, H. B.; Shen, J.; Wu, W. D.
May 2010
Nanoscale Research Letters;May2010, Vol. 5 Issue 5, p834
Academic Journal
Ni nanocrystals (NCs) were embedded in BaTiO3 epitaxial films using the laser molecular beam epitaxy. The processes involving the self-organization of Ni NCs and the epitaxial growth of BaTiO3 were discussed. With the in situ monitoring of reflection high-energy electron diffraction, the nanocomposite films were engineered controllably by the fine alternation of the self-organization of Ni NCs and the epitaxial growth of BaTiO3. The transmission electron microscopy and the X-ray diffraction characterization confirmed that the composite film consists of the Ni NCs layers alternating with the (001)/(100)-oriented epitaxial BaTiO3 separation layers.


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