Electron energy loss spectroscopy of Gd compounds

Tyszka, B.; Szade, J.; Skorek, Grzegorz; Neumann, M.

doi:10.1016/j.jallcom.2005.04.006

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Fig 3 Electronic Scs Of Au Pt Ta and Gd For Protons Are Disp...1

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“…Consequently, rs,expt = 2.03 corresponds to Nval,expt = 6.4 for Gd in clear contradiction to the FEG model, on condition that the seven f electrons do not participate in the electronic interactions of slow protons (neither in the e-h pair excitation nor in the plasmon excitation). Note that the experimental plasmon energy of Gd (ħp,Gd = 14 eV [41]) corresponds to rs,eff = 2.24 (Nval,eff = 4.7).…”

Section: Fig 3 Electronic Scs Of Au Pt Ta and Gd For Protons Are Disp...mentioning

confidence: 99%

Electronic Stopping of Slow Protons in Transition and Rare Earth Metals: Breakdown of the Free Electron Gas Concept

et al. 2017

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The electronic stopping cross sections (SCS) of Ta and Gd for slow protons have been investigated experimentally. The data are compared to the results for Pt and Au, to learn how electronic stopping in transition and rare earth metals correlates with features of the electronic band structures. The extraordinarily high SCS observed for protons in Ta and Gd cannot be understood in terms of a free electron gas model, but are related to the high densities of both occupied and unoccupied electronic states in these metals.

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Section: Fig 3 Electronic Scs Of Au Pt Ta and Gd For Protons Are Disp...mentioning

confidence: 99%