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Hematite

Core loss Fe2O3 (α) · Andy Brown · added 2008-01-08 · Beam energy and angles known · History

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Spectrum has been processed in digitalmicrograph, background subtraction and fourier deconvolved. Unprocessed data and associated low loss will be uploaded at a later date. Analyst: Ying-Hsi Pan. Temperature: 293. BEAM/Crystal: off-axis.

Use in HyperSpy
import exspy

spectra = exspy.data.eelsdb(title="Hematite", formula="Fe2O3 (alpha)")
s = next(sp for sp in spectra if sp.original_metadata.json.id == 21668)
s.plot(plot_edges=True)

Specimen

Formula
Fe2O3 (α)
Elements
Fe, O
Edges
Fe L2,3
Source and purity
Powder bought from Alfa-aesar and checked with XRD
Energy range
685.9 – 788.2 eV
Step
0.1 eV

Keywords

  • imported from old site

Treatment

Dark current corrected
Yes
Gain variation corrected
Yes

Acquisition

Microscope
Philips CM200
Gun
feg Schottky
Beam energy
197 kV
Convergence semi-angle
1 mrad
Collection semi-angle
5.9 mrad
Resolution
0.8 eV
Mode
Diffraction
Detector
GIF: GIF200
Probe size
180 nm²
Integration time
15 s
Readouts
1

Reference

Pan et al., Micron vol 37, 2006

Other links

Please cite this spectrum

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

Andy Brown. Hematite (Fe2O3 (alpha)). EELS Data Base, spectrum 21668, 2008. https://eelsdb.eu/spectra/hematite/

Pan et al., Micron vol 37, 2006

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{Brown2008eelsdb21668,
  author = {Andy Brown},
  title = {Hematite},
  howpublished = {EELS Data Base, spectrum 21668},
  year = {2008},
  url = {https://eelsdb.eu/spectra/hematite/}
}

@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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