Unoccupied Density of States
- 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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Although the fine structures of core loss spectra give information of the unoccupied density of states, the main application of EELS had still been the elemental quantification until the end of the 1980s mainly because the lack of modeling methods of the ELNES spectra. ELNES analysis has now been commonly applied since theoretical ELNES calculations become easier.

Figure 3949 shows an example of optical interband transitions of electrons from occupied states to unoccupied states.

optical interband transition of electrons from occupied states to unoccupied states

Figure 3949. Example of optical interband transition of electrons from occupied states to unoccupied states.

 

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