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Your search keyword '"Chen, Chih‐Jung"' showing total 8 results
Start Over Author "Chen, Chih‐Jung" Journal materials letters
8 results on '"Chen, Chih‐Jung"'

8. Optical and magnetic properties of elliptical hematite (α-Fe2O3) nanoparticles coated with uniform continuous layers of silica of different thickness

Author

Shi, Jen-Bin, Lee, Chia-Wei, Guo, Jhe-Wei, Cheng, Min-Jung, Wu, Chien, Chen, Chih-Jung, Chen, Yu-Cheng, Lin, Ya-Ting, and Chang, Chung-Chieh

Subjects
*MAGNETIC properties, *HEMATITE, *NANOPARTICLES, *SILICA
Abstract

Abstract: Elliptical-type α-Fe2O3 nanoparticles with/without silica shell have been prepared. The core particles were coated with uniform continuous layers of silica of two different thicknesses by hydrolysis of TEOS. The obtained HCP structure elliptical α-Fe2O3 nanoparticles with ∼240 nm length and 100 nm width is polycrystalline in nature. The thicknesses of SiO2 shell coated on α-Fe2O3 are about 55 and 30 nm, respectively. The optical and magnetic properties of these nanoparticles have been investigated. [Copyright &y& Elsevier]

Published
2007
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