Polepiece in Magnetic Prism of Energy Filters
- 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, managers, and researchers. The sections and pages with one red star (*) or no star are for basic studies, those with two red stars (**) are at medium level; and those with three red stars (***) are for advanced studies, researchers, and professors. When you are citing the contents in the book, please cite in the format of “Practical Electron Microscopy and Database, Y. Liao, (this year, e.g. 2006)  pp 4832” e.g. if you cite from http://www.globalsino.com/EM/4832.html, or in the format of “Practical Electron Microscopy and Database, Y. Liao, (this year, e.g. 2006),  http://www.globalsino.com/EM/4832.html”).

 

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TEM-EELS instrumentation is based on the magnetic prism, in which a uniform magnetic field B is generated by an electromagnet with carefully shaped polepieces. By adjusting the polepiece, the EELS signal can be focused and the aberrations can be corrected.

 

 

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