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OALib Journal期刊
ISSN: 2333-9721
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MICROSTRUCTURAL STUDIES OF ULTRAFINE IRON PARTICLES

Keywords: ultrafine particle,microstructure,high-resolution lattice image

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Abstract:

The constitution,structure and surface state of the ultrafine iron particles prepared by gasevaporation technique have been investigated by means of X-ray analysis,high-reasolutionelectron microscopy(HREM)and electron spectroscopy for chemical analysis(ESCA).Theresults showed that the fine particles are spherical ones of~20 nm in diameter with α-Fecores and covered by Fe_3O_4 fine crystalline layers of~4 nm thickness.

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