TEM Contrast Limit of Chemical Elements
- Practical Electron Microscopy and Database -
- An Online Book -

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This book (Practical Electron Microscopy and Database) is a reference for TEM and SEM students, operators, engineers, technicians, managers, and researchers.
 

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Some chemical elements cannot induce contrast in TEM images. For instance, the presence of helium atoms in palladium tritides does not induce a detectable change in the HRTEM contrast. [1] This can be interpreted by the low scattering factor of helium atoms compared to palladium one.

 

 

[1] S. Thiébaut, B. Décamps, J. M. Pénisson, B. Limacher, A. Percheron Guégan, TEM study of the aging of palladium-based alloys during tritium storage, Journal of Nuclear Materials 277 (2000) 217-225.

 

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