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Atomic beams |
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Atomic beams Unidirectional streams of neutral atoms passing through a vacuum. These atoms are virtually free from the influence of neighboring atoms but may be subjected to electric and magnetic fields so that their properties may be studied. The technique of atomic beams is identical to that of molecular beams. For historical reasons the latter term is most generally used to describe the method as applied to either atoms or molecules. The method of atomic beams yields extremely accurate spectroscopic data about the energy levels of atoms, and hence detailed information about the interaction of electrons in the atom with each other and with the atomic nucleus, as well as information about the interaction of all components of the atom with external fields. See Molecular beams How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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| For the artifact discussed here, the Cr atomic beam was mechanically collimated with a 0. This represents a first demonstration of a significant step forward in atomic beam lithography. The Molecular Physics Laboratory (MPL), one of SRI's longest-running groups, began in 1956 with experimental and theoretical research in atomic beam collisions and chemical reaction mechanisms. |
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