Journal
JOURNAL OF MATERIALS RESEARCH
Volume 15, Issue 3, Pages 586-589Publisher
SPRINGER HEIDELBERG
DOI: 10.1557/JMR.2000.0087
Keywords
-
Categories
Ask authors/readers for more resources
Small-angle x-ray scattering (SAXS) technique has been used to investigate nano-sized powders of Y2O3, Y1.8Er0.2O3, and Y1.8Nd0.2O3, obtained by means of combustion synthesis. The results show that the powders have a mass-Fractal behavior, with fractal dimension, D-f, in the 1.7-1.8 range, and average particle sizes in the 20-30-nm range. These results are supported by transmission electron microscope observations. Moreover, from SAXS data, it has been possible to establish a narrow particle size polydispersity, as well as the presence of particle-diffuse or fuzzy interfaces. These results show, for the first time, the fractal behavior of materials prepared by combustion synthesis and are in agreement with a recently developed model. The nanostructural features are discussed within the framework of the peculiar optical properties of the doped luminescent materials.
Authors
I am an author on this paper
Click your name to claim this paper and add it to your profile.
Reviews
Recommended
No Data Available