Numéro
J. Phys. Radium
Volume 17, Numéro 8-9, août-septembre 1956
Page(s) 674 - 678
DOI https://doi.org/10.1051/jphysrad:01956001708-9067400
J. Phys. Radium 17, 674-678 (1956)
DOI: 10.1051/jphysrad:01956001708-9067400

Existence d'un effet intensificateur des éléments du groupe du fer et situation du niveau de Fermi dans les sulfures luminescents

N. Arpiarian

Laboratoire de Luminescence, Faculté des Sciences de Paris


Abstract
Besides the well known killer effect of Fe, Ni and Co, an intensifier effect is observed at low concentrations, specially of Fe and Co on gold activated sulphides. The situation of the electronic levels and the dependence of the Fermi level on concentration and temperature are discussed.

PACS
3350 - Fluorescence and phosphorescence; radiationless transitions, quenching (intersystem crossing, internal conversion).

Key words
luminescence -- luminescence of inorganic substances