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A controlled atmosphere specimen holder for transmission electron microscopy

✍ Scribed by Chan, Ignatius Y.


Publisher
Wiley (John Wiley & Sons)
Year
1985
Tongue
English
Weight
757 KB
Volume
2
Category
Article
ISSN
0741-0581

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✦ Synopsis


A controlled atmosphere specimen holder (CASH) has been developed for transmission electron microscopy (TEM) experiments. It is designed for studying the specimen's microstructure before and after treatments in various gases (H2, 0 2 , N2, Ar, etc.) at temperatures up to 600Β°C. The experiments are carried out without exposing the specimen to the ambient atmosphere. No modification of the electron microscope itself is needed. The same area of the specimen can be easily located after each gas treatment, thus the changes in the microstructure can be studied directly. Preliminary results on the cyclic oxidation and reduction of a model cobalt catalyst are presented.


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