Radiative Transition Probabilities within 4fn Configurations: The Fluorescence Spectrum of Europium Ethylsulfate

Optical Absorption Intensities of Rare-Earth Ions

1962 • 7,550 citations

Intensities of Crystal Spectra of Rare-Earth Ions

1962 • 7,010 citations

The Theory of Atomic Spectra

1935 • 2,476 citations

Operator Techniques in Atomic Spectroscopy

1964 • 751 citations

The Puzzle of Rare-earth Spectra in Solids.

1937 • 308 citations

Relation between Absorption and Emission Probabilities in Luminescent Centers in Ionic Solids

1962 • 282 citations

The crystal structure of the ethyl sulphates of the rare earthes and yttrium

1937 • 152 citations

Energy levels in rare-earth ions

1957 • 151 citations

Crystal structure of hydrated erbium, yttrium and praseodymium ethylsulfates *

1959 • 116 citations

On the intensities and the multipole character in the spectra of the rare earth ions

1945 • 112 citations

Spectra and Quantum States of the Europic Ion in Crystals. II. Fluorescence and Absorption Spectra of Single Crystals of Europic Ethylsulfate Nonahydrate

1956 • 92 citations

An analysis of the fluorescence spectrum of europium ethyl sulphate

1959 • 66 citations