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Spectral studies on single crystal BaBr2−Sn phosphor

Spektroskopische Untersuchungen an Einkristallen des BaBr2−Sn-Phosphors

  • Anorganische und Physikalische Chemie
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Monatshefte für Chemie / Chemical Monthly Aims and scope Submit manuscript

Abstract

The absorption spectra at 300 K, the emission and excitation spectra at 77 K and 300 K of BaBr2−Sn phosphor have been studied. The complicated structure observed in the absorption and excitation spectra was connected with transitions to the components of the1P1,3P1 and3P2 excited states in tin centers which preserve the symmetry of the basic lattice. There has also been observed a complicated structure of the emission spectrum at 77 K which unlike all alkali earth halide phosphors observed so far, manifests itself also in the visible region of the spectrum.

Zusammenfassung

Die Absorptions-, Anregungs-und Emissionsspektren des Phosphors BaBr2−Sn wurden bei 77 K und 300 K gemessen. Die komplizierte Struktur der Absorptions-und Anregungsspektren ist mit Übergängen zu Komponenten der Anregungszustände1P1,3P1 und3P2 des Sn2+ unter der Annahme zu verknüpfen, daß die Zinnzentren die Symmetrie des Grundgitters beibehalten. Für 77 K ist auch das Emissionsspektrum von komplexer Natur, was bis jetzt bei keinem Erdalkalihalogenid-Phosphor im sichtbaren bereich beobachtet wurde.

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Tabakova, V. Spectral studies on single crystal BaBr2−Sn phosphor. Monatshefte für Chemie 112, 1135–1141 (1981). https://doi.org/10.1007/BF00905468

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  • DOI: https://doi.org/10.1007/BF00905468

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