Fluorescence of trivalent dysprosium in hexagonal zinc sulphide at 77°K

Energy levels in rare-earth ions

J.P. Elliott, Brian R. Judd, W. A. Runciman · Proceedings of the Royal Society of London A Mathematical and Physical Sciences · 1957 · 154 citations

Luminescence and absorption of zincsulfide, cadmiumsulfide and their solid solutions

F. A. Kröger · Physica · 1940 · 112 citations

Materials Science, Inorganic Chemistry, Ii-vi Semiconductor +7

Fluorescent Lifetimes of Rare Earth Salts and Ruby

G. H. Dieke, L. A. Hall · The Journal of Chemical Physics · 1957 · 91 citations

Rare Earth Mineral, Engineering, Chemistry +16

The Structures of the Ground Multiplets of Certain Rare-Earth Ions

B. R. Judd · Proceedings of the Physical Society Section A · 1956 · 70 citations

Landé Interval Rule, Rare Earth Mineral, Engineering +15

Low Temperature Luminescence of Inorganic Solids*

Clifford C. Klick · Journal of the Optical Society of America · 1951 · 63 citations

Optical Materials, Engineering, Luminescent Glass +21