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Chromium oxide (Chromia)

Core loss Cr2O3 (α) · Rik Brydson · added 2008-01-08 · Beam energy and angles known · History

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Cr L3 peak maximum agrees with data of Kurata et al. - Bull Inst. Chem. Res., Kyoto University 66, 572 (1988). From very thin region - deconvolution not applied. Analyst: Rik Brydson. Temperature: Room. BEAM/Crystal: off major zone axis.

Use in HyperSpy
import exspy

spectra = exspy.data.eelsdb(title="Chromium oxide (Chromia)", formula="Cr2O3 (alpha)")
s = next(sp for sp in spectra if sp.original_metadata.json.id == 21669)
s.plot(plot_edges=True)

Specimen

Formula
Cr2O3 (α)
Elements
Cr, O
Edges
O K, Cr L2,3
Source and purity
Chromia powder from Sigma Aldrich
Energy range
510.1 – 612.4 eV
Step
0.1 eV

Keywords

  • imported from old site

Treatment

Dark current corrected
Yes
Gain variation corrected
Yes
Thickness
0.2 t/λ

Acquisition

Microscope
Philips CM200
Gun
feg Schottky
Beam energy
197 kV
Convergence semi-angle
0.1 mrad
Collection semi-angle
5.9 mrad
Resolution
0.8 eV
Monochromated
No
Detector
GIF: GIF200
Probe size
180 nm²

Reference

SP McBride, R Brydson, Journal of Materials Science, Volume 39, page 6723-6734 (2004)

Other links

Please cite this spectrum

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

Rik Brydson. Chromium oxide (Chromia) (Cr2O3 (alpha)). EELS Data Base, spectrum 21669, 2008. https://eelsdb.eu/spectra/chromium-oxide-chromia/

SP McBride, R Brydson, Journal of Materials Science, Volume 39, page 6723-6734 (2004)

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{Brydson2008eelsdb21669,
  author = {Rik Brydson},
  title = {Chromium oxide (Chromia)},
  howpublished = {EELS Data Base, spectrum 21669},
  year = {2008},
  url = {https://eelsdb.eu/spectra/chromium-oxide-chromia/}
}

@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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