Electron inelastic mean free paths for plasmon excitations and interband transitions
作者： C.M. Kwei , Y.F. Chen , C.J. Tung , J.P. Wang
DOI: 10.1016/0039-6028(93)90314-A
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摘要: Abstract Both plasmon excitations and interband transitions are important in the response of valence bands to fast electrons. An extended Drude dielectric function was established describe such a solids complex band structures. Parameters this were determined by fit imaginary part experimental optical data. The real energy-loss also checked with data confirm critical-point energies collective excitations. In addition, sum-rules about function, respectively, applied assure accuracy these functions. Electron inelastic mean free paths several calculated compared available theoretical
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