Abstract
The first room-temperature two-dimensional heavy hole exciton red shift, greater than 25 meV due to the exchange of Van Hove-type M1 and quantum well excitons, was observed by photocurrent measurements in molecular beam epitaxy grown superlattices with periods of 30 Å GaAs/25 Å Ga0.5Al0.5As. At a photon energy of 1.66 eV, a 3000 cm−1 absorption change due to the blue shift of the superlattice absorption edge was also observed at room temperature in superlattices with periods of 20 Å GaAs/20 Å Ga0.5Al0.5As.
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 callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
