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Analysis of nanocrystalline diamond powder by scanning transmission electron microscopy

journal contribution
posted on 2024-10-30, 16:14 authored by J Peng, R Fehlhaber, L Bursill, Dougal McCullochDougal McCulloch
Theoretical studies [R. P. Fehlhaber and L. A. Bursill, Phys. Rev. B 60, 14147 (1999)] of small nanocrystalline diamond spheres, using the classical electrodynamic formalism with a well defined impact parameter and including all multipole modes, are used to analyze and discuss electron energy loss spectra recorded with a high resolution scanning transmission electron microscope. The theory is used to predict spectra for spheres of different radii with and without surface coatings. Due to the relatively large damping factor for diamond the surface, interface and bulk plasmon peaks overlap; but it is shown that the theory is nevertheless capable to allow particle diameter and coating thickness to be determined accurately. The theory is also applied to make some deductions concerning particle morphology by analysis of low-loss spectra from particles of different thickness and shape.

History

Journal

Journal of Applied Physics

Volume

89

Issue

11

Start page

6204

End page

6213

Total pages

10

Publisher

American Institute of Physics

Place published

NY, USA

Language

English

Copyright

© 2001 American Institute of Physics.

Former Identifier

2001000294

Esploro creation date

2020-06-22

Fedora creation date

2009-12-08

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