Physics:Photoionisation cross section
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Short description: Aspect of condensed matter physics
Photoionisation cross section in the context of condensed matter physics refers to the probability of a particle (usually an electron) being emitted from its electronic state.
Cross section in photoemission
The photoemission is a useful experimental method for the determination and the study of the electronic states. Sometimes the small amount of deposited material over a surface has a weak contribution to the photoemission spectra, which makes its identification very difficult. The knowledge of the cross section of a material can help to detect thin layers or 1D nanowires over a substrate. A right choice of the photon energy can enhance a small amount of material deposited over a surface, otherwise the display of the different spectra won't be possible.[1]
See also
- Gamma ray cross section
- ARPES
- Synchrotron radiation
- Cross section
- Absorption cross section
- Nuclear cross section
References
- ↑ Dallmeyer, A. et al. (2000). "Electronic states and magnetism of monatomic Co and Cu wires". Physical Review B 61 (8): R5133–R5136. doi:10.1103/PhysRevB.61.R5133. Bibcode: 2000PhRvB..61.5133D. http://juser.fz-juelich.de/record/61812.
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