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Aluminium oxide alpha

Core loss Al2O3 (α) · PD Dr. Peter A. van Aken · added 2007-11-28 · Beam energy and angles known · History

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- An arbitrary background was subtracted, because no one know the exact background behind a ionisation edge. Therefore, I do not want to say the absolute intensities are right, but due to the low frequency of EXELFS oscilations.- Calibration could not be accurate Analyst: Stefan Nufer.

Use in HyperSpy
import exspy

spectra = exspy.data.eelsdb(title="Aluminium oxide alpha", formula="Al2O3 (alpha)")
s = next(sp for sp in spectra if sp.original_metadata.json.id == 21578)
s.plot(plot_edges=True)

Specimen

Formula
Al2O3 (α)
Elements
Al, O
Edges
Al L1
Source and purity
single crystal
Energy range
112.9 – 172.9 eV
Step
0.1 eV

Keywords

  • imported from old site

Treatment

Dark current corrected
No
Gain variation corrected
No
Thickness
0.2 t/λ

Acquisition

Microscope
VG HB501UX
Gun
cold field emission
Beam energy
100 kV
Convergence semi-angle
10 mrad
Collection semi-angle
6.5 mrad
Resolution
0.8 eV
Mode
STEM
Detector
Parallel:
Probe size
1 nm²
Beam current
1

Reference

Stefan Nufer, Thomas Gemming, Christian Elsaesser, Sibylle Koestlmeier, Manfred Ruehle, Ultramicroscopy, 86, 339, 2001

Other links

Please cite this spectrum

If you use this spectrum, cite the contributor's paper and the EELS Data Base.

PD Dr. Peter A. van Aken. Aluminium oxide alpha (Al2O3 (alpha)). EELS Data Base, spectrum 21578, 2007. https://eelsdb.eu/spectra/aluminium-oxide-alpha-2/

Stefan Nufer, Thomas Gemming, Christian Elsaesser, Sibylle Koestlmeier, Manfred Ruehle, Ultramicroscopy, 86, 339, 2001

Philip Ewels, Thierry Sikora, Virginie Serin, Chris P. Ewels and Luc Lajaunie. “A Complete Overhaul of the Electron Energy-Loss Spectroscopy and X-Ray Absorption Spectroscopy Database: eelsdb.eu.” Microscopy and Microanalysis 22, 717–724 (2016). doi:10.1017/S1431927616000179
BibTeX
@misc{Aken2007eelsdb21578,
  author = {PD Dr. Peter A. van Aken},
  title = {Aluminium oxide alpha},
  howpublished = {EELS Data Base, spectrum 21578},
  year = {2007},
  url = {https://eelsdb.eu/spectra/aluminium-oxide-alpha-2/}
}

@article{ewels2016eelsdb,
  author = {Ewels, Philip and Sikora, Thierry and Serin, Virginie and Ewels, Chris P. and Lajaunie, Luc},
  title = {A Complete Overhaul of the Electron Energy-Loss Spectroscopy and X-Ray Absorption Spectroscopy Database: eelsdb.eu},
  journal = {Microscopy and Microanalysis},
  volume = {22},
  pages = {717--724},
  year = {2016},
  doi = {10.1017/S1431927616000179}
}
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