NDLI: Preparation of spherical Bi$_{3.25}$La$_{0.75}$Ti$_{3}$O$_{12}$ nanocrystals by a sol-gel inverse mini-emulsion approach

Content Provider	SpringerLink
Author	Han, Longxiang Zheng, Lingjing Hu, Zhenxing Yin, Shilong Zeng, Yanwei
Copyright Year	2014
Abstract	Monodisperse and spherical lanthanum bismuth titanate (Bi$_{3.25}$La$_{0.75}$Ti$_{3}$O$_{12}$, BLT) nanocrystals with an average size of ∼60 nm were synthesized by in situ crystallization of spherical gel particles (∼120 nm in diameter) at elevated temperatures in a carbonate environment. The gel particles were obtained by a sol-gel inverse mini-emulsion manipulation and a gelation process at 60°C. X-ray diffraction technique and Raman spectrum measurement were used to trace the formation of crystalline phases in the gel particles during heat treatment, and single-phase BLT nanocrystals were obtained after firing at 500°C for 4 h. The morphology and size of the gel particles and BLT nanocrystals were characterized by field-emission scanning electron microscopy and transmission electron microscopy. The possible mechanism underlying the formation of spherical BLT nanocrystals through a sol-gel inverse mini-emulsion approach was discussed.
Starting Page	1
Ending Page	4
Page Count	4
File Format	PDF
ISSN	17388090
Journal	Electronic Materials Letters
Volume Number	10
Issue Number	1
e-ISSN	20936788
Language	English
Publisher	Springer Netherlands
Publisher Date	2014-01-10
Publisher Place	Dordrecht
Access Restriction	Subscribed
Subject Keyword	nanocrystalline materials sol-gel inverse mini-emulsion spherical gel particles in-situ crystallization ferroelectrics Optical and Electronic Materials Condensed Matter Physics Nanotechnology and Microengineering Characterization and Evaluation of Materials Nanotechnology
Content Type	Text
Resource Type	Article
Subject	Electronic, Optical and Magnetic Materials

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