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SrTiO3-(111), heavy beam damage

Core loss SrTiO3 · magnunor · added 2016-08-27 · Beam energy and angles known · History

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SrTiO3-(111) substrate. This is a part of an electron beam exposure experiment, this spectrum being from the middle of the exposure experiment. There are clear signs of beam damage, with the t2g peaks increasing relative to to the eg peaks.

Use in HyperSpy
import exspy

spectra = exspy.data.eelsdb(title="SrTiO3-(111), heavy beam damage", formula="SrTiO3")
s = next(sp for sp in spectra if sp.original_metadata.json.id == 22016)
s.plot(plot_edges=True)

Specimen

Formula
SrTiO3
Elements
Sr, Ti, O
Edges
Ti L2,3
Energy range
450 – 479.5 eV
Step
1720.907 eV

Treatment

Dark current corrected
Yes
Gain variation corrected
Yes
Calibration
Energy scaled aligned using zero loss peak. Power law background removed.

Acquisition

Microscope
ARM 200cF
Gun
Cold Field Emission Gun
Beam energy
200 kV
Convergence semi-angle
34.2 mrad
Collection semi-angle
66 mrad
Resolution
0.7 eV
Monochromated
No
Detector
GIF Quantum ER

Reference

Magnus Nord, Per Erik Vullum, Ingrid Hallsteinsen, Thomas Tybell, Randi Holmestad. “Assessing electron beam sensitivity for SrTiO3 and La0.7Sr0.3MnO3 using electron energy loss spectroscopy”. Ultramicroscopy, 169, 98-106 (2016). doi:10.1016/j.ultramic.2016.07.004 Article

Associated spectra

Other links

Please cite this spectrum

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

magnunor. SrTiO3-(111), heavy beam damage (SrTiO3). EELS Data Base, spectrum 22016, 2016. https://eelsdb.eu/spectra/srtio3-111-heavy-beam-damage/

Magnus Nord, Per Erik Vullum, Ingrid Hallsteinsen, Thomas Tybell, Randi Holmestad. “Assessing electron beam sensitivity for SrTiO3 and La0.7Sr0.3MnO3 using electron energy loss spectroscopy”. Ultramicroscopy, 169, 98-106 (2016). doi:10.1016/j.ultramic.2016.07.004

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{magnunor2016eelsdb22016,
  author = {magnunor},
  title = {SrTiO3-(111), heavy beam damage},
  howpublished = {EELS Data Base, spectrum 22016},
  year = {2016},
  url = {https://eelsdb.eu/spectra/srtio3-111-heavy-beam-damage/}
}

@article{magnunor2016eelsdb22016ref,
  author = {Magnus Nord, Per Erik Vullum, Ingrid Hallsteinsen, Thomas Tybell, Randi Holmestad},
  title = {Assessing electron beam sensitivity for SrTiO3 and La0.7Sr0.3MnO3 using electron energy loss spectroscopy},
  journal = {Ultramicroscopy},
  volume = {169},
  number = {},
  pages = {98--106},
  year = {2016},
  doi = {10.1016/j.ultramic.2016.07.004}
}

@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}
}
Download ti_l23_exposure_end.msa