Electron energy loss in a planar film: Parallel trajectory
Electron energy loss (EELS) for an electron moving parallel to a planar slab.
See details of the theory in
F. J. García de Abajo, Rev. Mod. Phys.
82
, 209 (2010).
Film dielectric function ε(ω)
Drude
Ag (J & C 1972)
Al (Palik)
Al2O3 (Palik)
Au (J & C 1972)
Co (J & C 1974)
Cr
Cu (J & C 1972)
GaAs
Ge
MgO (Howie)
Ni (Palik)
Pt
Si (amor., Palik)
Si (Aspnes & Studna)
SiC (Palik)
SiO2 (glass, Palik)
For Drude:
ε(ω)=ε
0
-ω
p
2
/ω(ω+iη)
ε
0
=
ω
p
(eV) =
η (eV) =
Substrate dielectric function ε(ω)
Drude
Ag (J & C 1972)
Al (Palik)
Al2O3 (Palik)
Au (J & C 1972)
Co (J & C 1974)
Cr
Cu (J & C 1972)
GaAs
Ge
MgO (Howie)
Ni (Palik)
Pt
Si (Aspnes & Studna)
Si (amor., Palik)
SiC (Palik)
SiO2 (glass, Palik)
For Drude:
ε
sub
(ω)=ε
0
-ω
p
2
/ω(ω+iη)
ε
0
=
ω
p
(eV) =
η (eV) =
Geometry under
consideration
Trajectory
Electron energy
E
0
(keV) =
b
(nm) =
d
(nm) =
Energy loss range
ω
min
(eV) =
ω
max
(eV) =
