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Thorium

Element density: 11.72 g/cm3
Electron configuration: [Rn]6d27s2
Oxidation states: +4

Thorium

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

L3

16300

 

 

M4

3491

 

 

M5

3332

 

 

N6

344

 

 

N7

335

 

 

O4

94

 

 

O5

88

 

 

 

Minor edges

L1

20472

 

 

L2

19693

 

 

M1

5182

 

 

M2

4830

 

 

M3

4046

 

 

N1

1330

 

 

N2

1168

 

 

N3

967

 

 

N4

714

 

 

N5

676

 

 

O1

290

 

 

O2

229

 

 

O3

182

 

 

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Related spectral data

Th particle on holey C film (0 – 190 eV)
   

Th particle on holey C film (0 – 190 eV)

Material analyzed: Th

Related elements: Thorium

Data contributor: Gatan

Beam energy (keV): 120

Nominal energy range (eV): 0 – 190

Collection semi-angle effective (mrad): 100

 

Notes: Serial EELS; slightly oxidized

 

Th(0-0990eV)
   

Th particle on holey C film (0 – 990 eV)

Material analyzed: Th

Related elements: Thorium

Data contributor: Gatan

Beam energy (keV): 120

Nominal energy range (eV): 0 – 990

Collection semi-angle effective (mrad): 100

 

Notes: Serial EELS; slightly oxidized; zero-loss peak intensity = 1.3e8; total elastic int. / zero-loss int. = 0.71; gain change factor = 1881

 

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