Phase contrast from a regular stacking of equally sized iron-oxide spheres

An extremely regular stacking of closely packed small-sized (diameter 6.9 nm) iron-oxide particles with a narrow size distribution has been observed and studied with the transmission electron microscope (TEM). Phase (or Fresnel) contrast, image simulation, electron diffraction and energy-dispersive...

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Bibliographic Details
Published in:Ultramicroscopy 1991-10, Vol.38 (1), p.105-115
Main Authors: Bentzon, M.D., Thölén, A.R.
Format: Article
Language:English
Subjects:
Condensed matter: structure, mechanical and thermal properties
Electron diffraction and scattering
Exact sciences and technology
Physics
Structure of solids and liquids
crystallography
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Summary:An extremely regular stacking of closely packed small-sized (diameter 6.9 nm) iron-oxide particles with a narrow size distribution has been observed and studied with the transmission electron microscope (TEM). Phase (or Fresnel) contrast, image simulation, electron diffraction and energy-dispersive X-ray spectroscopy was used to reveal the close-packed structure, and to determine the thickness of the stacking which generally consisted of 1–12 layers.
ISSN:0304-3991
1879-2723
DOI:10.1016/0304-3991(91)90111-I