Theory of the Urbach Rule

Methods of Theoretical Physics

1954 • 13,575 citations

Dynamical Theory of Crystal Lattices

1955 • 10,405 citations

The Long-Wavelength Edge of Photographic Sensitivity and of the Electronic Absorption of Solids

1953 • 5,349 citations

The Franck-Condon Principle and Its Application to Crystals

1952 • 1,296 citations

Über die excitonenbanden der alkalihalogenidkristalle

1957 • 345 citations

Low-Temperature Recombination Luminescence in Alkali Halide Crystals

1964 • 318 citations

On the Dynamical Behavior of an Exciton

1959 • 295 citations

Shapes of Impurity Absorption Bands in Solids

1965 • 276 citations

Ultraviolet Absorption of KI Diluted in KCl Cryst als

1962 • 232 citations

Recombination Luminescence from<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msub><mml:mrow><mml:mi>V</mml:mi></mml:mrow><mml:mrow><mml:mi>K</mml:mi></mml:mrow></mml:msub></mml:mrow></mml:math>Centers in Potassium Iodide

1965 • 182 citations

Absorption Band Shape and Urbach's Rule of Localized Excitons

1963 • 105 citations

A Proposed Model for the Explanation of the Urbach Rule

1959 • 104 citations

Optical Absorption in Ionic Crystals Involving Small Polarons

1963 • 67 citations

Luminescence of Potassium Iodide

1957 • 54 citations

Über Temperaturabhängigkeit und Form der langwelligsten Excitonenbande in KJ-Kristallen

1959 • 44 citations

Temperature Dependences of the Fundamental Absorption Tail of KCl and the Absorption due to Bromines in KCl

1961 • 19 citations

Relaxation of Exciton States in Alkali-Halide Crystals

1965 • 15 citations