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Chromium

Element density: 7.14 g/cm3
Electron configuration: [Ar]3d54s1
Oxidation states: +2,3,6

Chromium

Edges

Explore electron energy loss spectroscopy (EELS) reference spectra, featuring major and minor edges used for elemental identification and chemical state analysis in materials research. 

 

 

Major edges

K

5989

 

 

Minor_Abrupt Onset

L2

584

Major_Sharp Peak
Major_Delayed Minimum

L3

575

Major_Sharp Peak
Major_Delayed Minimum

M2,3

43

Minor_Broad Peak
Major_Delayed Minimum

 

Minor edges

L1

695

 

Minor_Abrupt Onset

M1

74

 

Very Weak_Abrupt Onset

 

 

Considerations

Rich ELNES structure in L2,3-edges. White line ratio and energy shift used to determine oxidation state.

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Related spectral data

Slightly oxidized Cr thin film (0 – 180 eV)
   

Slightly oxidized Cr thin film (0 – 180 eV)

Material analyzed: Cr

Related elements: Chromium

Data contributor: Gatan

Beam energy (keV): 200

Nominal energy range (eV): 0 – 180

Collection semi-angle effective (mrad): 100

 

Notes: Serial EELS; analog only; 20 sweeps 16.67 ms dwell

 

Slightly oxidized Cr thin film (0 – 920 eV)
   

Slightly oxidized Cr thin film (0 – 920 eV)

Material analyzed: Cr

Related elements: Chromium

Data contributor: Gatan

Beam energy (keV): 200

Nominal energy range (eV): 0 – 920

Collection semi-angle effective (mrad): 100

 

Notes: Serial EELS; zero-loss peak intensity = 5.88e8; total elastic int. / zero-loss int. = 0.53; gain change factor = 740; 30 sweeps 20 ms dwell

 

Slightly oxidized Cr thin film (440 – 940 eV)
   

Slightly oxidized Cr thin film (440 – 940 eV)

Material analyzed: Cr

Related elements: Chromium

Data contributor: Gatan

Beam energy (keV): 200

Nominal energy range (eV): 440 – 940

Collection semi-angle effective (mrad): 100

 

Notes: Serial EELS; 20 sweeps 20 ms dwell

 

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