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Comparison of energy‐loss functions from REELS spectra with surface and bulk energy loss functions for Ag
Author(s) -
Zengming Zhang,
Koshikawa Takanori,
Iyasu Takeshi,
Shimizu Ryuichi,
Goto Keisuke
Publication year - 2003
Publication title -
surface and interface analysis
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.52
H-Index - 90
eISSN - 1096-9918
pISSN - 0142-2421
DOI - 10.1002/sia.1552
Subject(s) - spectral line , energy (signal processing) , surface (topology) , electron energy loss spectroscopy , atomic physics , materials science , computational physics , physics , mathematics , nanotechnology , geometry , quantum mechanics , transmission electron microscopy
Abstract Effective energy‐loss functions were derived from the reflection electron energy‐loss spectroscopy (REELS) spectra of Ag by an extended Landau approach. The effective energy‐loss functions obtained are close to the surface energy‐loss function in the low‐energy‐loss region, but tend to be closer to the bulk energy‐loss function in the higher energy‐loss region for higher primary energy. The REELS spectra incorporating the effective energy‐loss function are also reproduced in a Monte‐Carlo simulation model and confirm that the simulation reproduces the experimental REELS spectra with considerable success. Copyright © 2003 John Wiley & Sons, Ltd.