Room-temperature excitons in 1.6-μm band-gap GaInAs/AlInAs quantum wells
- 1 April 1985
- journal article
- research article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 46 (7), 619-621
- https://doi.org/10.1063/1.95504
Abstract
The first observation of strong and well‐resolved exciton peaks in the room‐temperature absorption spectra of infrared band‐gap multiple quantum well structures (MQW’s) is reported. Assignment of the optical resonances in the absorption spectra of GaInAs/AlInAs MQW’s yields the material parameters of this new heterojunction. The discontinuities of the conduction and valence bands are found to be ΔEc=0.44 eV and ΔEv=0.29 eV, respectively.Keywords
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