Interaction of electrons with light metal hydrides in the transmission electron microscope

Autor: Naoyuki Hashimoto, Somei Ohnuki, Yongming Wang, Shigehito Isobe, Takenobu Wakasugi
Jazyk: angličtina
Rok vydání: 2014
Předmět:
Zdroj: Microscopy. 63(6):437-447
ISSN: 0022-0744
Popis: Transmission electron microscope (TEM) observation of light metal hydrides is complicated by the instability of these materials under electron irradiation. In this study, the electron kinetic energy dependences of the interactions of incident electrons with lithium, sodium and magnesium hydrides, as well as the constituting element effect on the interactions, were theoretically discussed, and electron irradiation damage to these hydrides was examined using in situ TEM. The results indicate that high incident electron kinetic energy helps alleviate the irradiation damage resulting from inelastic or elastic scattering of the incident electrons in the TEM. Therefore, observations and characterizations of these materials would benefit from increased, instead decreased, TEM operating voltage.
Databáze: OpenAIRE