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Cathodoluminescence from Therimochemically reduced MgO Crystals

Published online by Cambridge University Press:  21 February 2011

C. Ballesteros,
J. Piqueras,
J. Llopis and
R. Gonzalez
C. Ballesteros
Affiliation:
Departamento de Física del Estado Sólido, Facultad de Ciencias Físicas, Universidad Complutense, Madrid (Spain)
J. Piqueras
Affiliation:
Departamento de Física del Estado Só1ido, Facultad de Ciencias, Universidad de Granada, (Spain)
J. Llopis
Affiliation:
Departamento de Física del Estado Sólido, Facultad de Ciencias Físicas, Universidad Complutense, Madrid (Spain)
R. Gonzalez
Affiliation:
Departamento de Física del Estado Sólido, Facultad de Ciencias Físicas, Universidad Complutense, Madrid (Spain)
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Abstract

Cathodoluminescence of thermochemically reduced MgO crystals has been studied in the scanning electron microscope. Two peaks at around 3.0eV (410nm) and 2.4eV (520nm) have been detected. The intensity evolution of these two peaks with temperature and electron beam irradiation has been recorded. The results are analyzed on the basis of emission from anion vacancies (F and F+ centers)

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References

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