Absorption edge and internal electric fields in amorphous semiconductors

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

F. Urbach · Physical Review · 1953 · 5.8K citations

Photonics, Engineering, Physics +13

Simple Band Model for Amorphous Semiconducting Alloys

Morrel H. Cohen, H. Fritzsche, Stanford R. Ovshinsky · Physical Review Letters · 1969 · 1K citations

Materials Engineering, Materials Science, Semiconductors +13

Theory of Line-Shapes of the Exciton Absorption Bands

Yutaka Toyozawa · Progress of Theoretical Physics · 1958 · 694 citations · Full text

Optical Materials, Engineering, Quantum Lattice System +16

On the Dynamical Behavior of an Exciton

Yutaka Toyozawa · Progress of Theoretical Physics Supplement · 1959 · 298 citations · Full text

Charge Excitations, Engineering, Localized Excited State +18

Effect of Defect Fields on the Optical Absorption Edge

David Redfield · Physical Review · 1963 · 259 citations

Optical Materials, Engineering, Optical Testing +20