CRC Hanbook P2

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CRC Hanbook P2

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Atomic packing on various crystallographic planes and in various directions. For face-centered cubic materials. (a) Appearance of several crystal planes; (b) the (111) plane. sensitive to an element such as oxygen to surface coverages of as little as one hundredth of a monolayer and analyzes to a depth of four or five atomic layers. AES analysis uses a beam of electrons just as with LEED, but the electron energy is higher, usually 1500 to 3000 eV. Incident electrons strike the sample surface, penetrate the electron shells of outermost surface atoms, and cause ejection of a second electron called an Auger...

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