Glossary and Abbreviations

Absorption edge
Rapid increase in absorption with increasing energy
AEY
Auger electron yield
APD
Avalanche photodiode
Auger process
Relaxation of a core‐hole via electron emission
CCD
Charge‐coupled device
CEE
Constant emission energy
CIE
Constant incident energy
Compton scattering
Inelastic scattering
Debye‐Waller
Factor describing disorder in interatomic distances
DFT
Density functional theory
EDE
Energy dispersive EXAFS
EDX
Energy dispersive x‐ray spectroscopy
EXAFS
Extended x‐ray absorption fine structure
FEL
Free electron laser
FT
Fourier transform
FY
Fluorescence yield
FZL
Fresnel zone plate
HARPES
Hard x‐ray photoelectron spectroscopy
HERFD
High‐energy resolution fluorescence detection
IV
In vacuum
KB
Kirkpatrick‐Baez (mirrors)
MLL
Multilayer Laue lens
NEXAFS
Near‐edge x‐ray fine structure
NIXS
Nonresonant Inelastic x‐ray Scattering
OD
Optically detected
PCA
Principal component analysis
QEXAFS
Quick extended x‐ray absorption fine structure
Rayleigh scattering
Elastic scattering
REXS
Resonant x‐ray Emission Spectroscopy
RIXS
Resonant Inelastic x‐ray scattering or spectroscopy
SR
Synchrotron radiation
STXM
Scanning transmission x‐ray microscopy
TEY
Total electron yield
TXM
Transmission x‐ray microscopy
VtC
Valence to core
X‐PEEM
X‐ray photoelectron emission microscopy
XAFS
X‐ray absorption fine structure
XANES
X‐ray absorption near‐edge structure
XAS
X‐ray absorption spectroscopy
XEOL
X‐ray excited optical luminescence
XES
X‐ray emission spectroscopy
XFEL
X‐ray free electron laser
XMCD
X‐ray magnetic circular dichroism
XMLD
X‐ray magnetic linear dichroism
XRS
(Inelastic) X‐ray Raman Scattering