Interaction of copper and europium in zinc sulfide

Journal Article · Fri Jan 01 04:00:00 EST 1988 · J. Appl. Spectrosc. (Engl. Transl.); (United States)

OSTI ID:6085943

Arkhangel'skii, G E; Bukke, E E; Grigor'ev, N N; Lavrov, A V; Fok, M V

Different ZnS-Eu, Cu crystals with a constant optimal Eu concentration equal to 6 x 10/sup -5/ g-atoms/g-mole and copper concentrations were studied to determine why ZnS-Eu and ZnS-Cu activators interfere with one another when introduced together. The luminescence spectra of the crystals is shown and the results of the interaction of impurities for powdered ZnS-Eu, Cu luminophores were checked. The copper impurity in the luminophore lowered the EPR intensity of europium but the concentration dependence was shifted toward higher copper concentration. The formation of copper-europium complexes was responsible for a drop in the efficiency of photoluminescence of Eu bands and the vanishing of the EPR signal of the EU/sup 2 +/ ion in the zinc sulfide lattice.

• OSTI ID: 6085943
• Journal Information: J. Appl. Spectrosc. (Engl. Transl.); (United States), Journal Name: J. Appl. Spectrosc. (Engl. Transl.); (United States) Vol. 47:1; ISSN JASYA
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
360603* -- Materials-- Properties
ACTIVATION ENERGY
ANNEALING
CHALCOGENIDES
COLOR CENTERS
COPPER COMPOUNDS
CRYSTAL DEFECTS
CRYSTAL DOPING
CRYSTAL LATTICES
CRYSTAL STRUCTURE
DOPED MATERIALS
ELECTROMAGNETIC RADIATION
ELECTRON SPIN RESONANCE
ENERGY
EUROPIUM COMPOUNDS
HEAT TREATMENTS
IMPURITIES
INFRARED RADIATION
INORGANIC PHOSPHORS
LUMINESCENCE
MAGNETIC RESONANCE
MATERIALS
PHASE STUDIES
PHOSPHORS
PHOTOLUMINESCENCE
POINT DEFECTS
QUANTITY RATIO
RADIATIONS
RARE EARTH COMPOUNDS
RESONANCE
SULFIDES
SULFUR COMPOUNDS
TRANSITION ELEMENT COMPOUNDS
VACANCIES
VALENCE
ZINC COMPOUNDS
ZINC SULFIDES