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72
Hf
178.49

Hafnium

Element density: 13.31 g/cm3
Electron configuration:

[Xe]4f145d26s2

Oxidation states: +4

Major edges

What are these symbols?
L39561
M41716
M51662
O238
O331

Minor edges

L111271
L210739
M12601
M22365
M32108
N1538
N2437
N3380
N4224
N5214
O165

Considerations

The M4,5-edge overlaps with the M-edges of Ta and W. Use MLLS fitting or model based EELS to separate these edges.

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Related spectral data

DM Data
MSA Data

HfO2 particles on holey C film

Material analyzed:

HfO2

Related elements: Hafnium Oxygen
Data contributor: Gatan Beam energy (keV): 200 Nominal energy range (eV): 0 - 3880 Collection semi-angle effective (mrad): 100
Notes:

Serial EELS; zero-loss peak intensity = 8.21e8; total elastic int. / zero-loss int. = 0.39; gain change factor = 522; 70 sweeps 10 ms dwell

DM Data
MSA Data

HfO2 particles on holey C film

Material analyzed:

HfO2

Related elements: Hafnium Oxygen
Data contributor: Gatan Beam energy (keV): 200 Nominal energy range (eV): 0 - 180 Collection semi-angle effective (mrad): 100
Notes:

Serial EELS; 10 sweeps 16.67 ms dwell; analog only