Thin-film effects on the surface stopping power of a free electron gas

[摘要] The electronic properties of thin films present quantum-size effects (QSE), which are a consequence of the finite size of the system. Here we focus on the investigation of QSE on the electronic energy loss of charg d particles moving parallel with metallic thin films. The energy loss is calculated within linear response theory, from the knowledge of the density-response function of the inhomogeneous system, which we evaluate either in the random-phase approximation or with the use of an adiabatic and local exchange-correlation kernel. (C) 2001 Elsevier Science BN. All rights reserved.

[发布日期] 2001-08-01

[效力级别]  Proceedings Paper

[关键词] electronic energy loss;quantum size effects