Abstract
The energy levels of free excitons were investigated in several III-V compounds in magnetic fields up to 20 T. The results of reflectance experiments in InP are presented here as an excellent example of the power of a recently developed adiabatic theory to describe the energy states of excitons in the high field limit. A best fit to this theory yields an accurate and complete set of band structure parameters. These are γ 1 = 4.95, γ 2 = 1.65, γ 3 = 2.35, g c = 1.31, ϰ = 0.97 , and q ≅ 0. The exciton binding energy, the band gap, and the effective mass acceptor binding energy are calculated from the new band parameters. Differences in energetic position and relative intensity of the components in the Faraday and Voigt configurations are observed. They are possibly related to the effects of long-range exchange interaction.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a call
