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Communication: Effects of thermionic-gun parameters on operating modes in ultrafast electron microscopy
Ultrafast electron microscopes with thermionic guns and LaB(6) sources can be operated in both the nanosecond, single-shot and femtosecond, single-electron modes. This has been demonstrated with conventional Wehnelt electrodes and absent any applied bias. Here, by conducting simulations using the Ge...
| Autores principales: | , , , |
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| Formato: | Online Artículo Texto |
| Lenguaje: | English |
| Publicado: |
American Crystallographic Association
2015
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| Materias: | |
| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4711641/ https://www.ncbi.nlm.nih.gov/pubmed/26798820 http://dx.doi.org/10.1063/1.4930174 |