Es werden samtliche bekannten Erdalkalialuminate verschiedener stochiometrischcr Zusammensetzung hinsichtlich ihres Lumineszenzverhaltens unter UV-Anregung bei Aktivierung mit Wismut, Blei oder Wismut und Lithium untersucht. AnBerdem werden die Temperaturabhsngigkeit der Lumineszenzspektren im Bereich von -180 bis + 300 "C sowie der EinfluB von Fldmitteln (Fluoride) auf die Bildung und Lumineszenz des Tricalciumaluminates beschrieben.All the known aluminates of alkaline earth metals with different stoichiometric composition will be investigated in relation to the luminescence which results when they are activated by bismuth, lead or bismuth and lithium and excited by uv-radiation. Further the temperature dependence of these emission spectra within the range of -180 to + 300 O C will be described and also the influence of fluxes (fluorides) on the formation and luminescence of tricalciumaluminate.
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