Magnetophotoluminescence measurement of the formation time of an exciton in AlxGa1-xAs/GaAs quantum-well structures. [electronic resource] - Physical review. B, Condensed matter Dec 1995 - 16353-16356 p. digital Publication Type: Journal Article ISSN: 0163-1829 Standard No.: 10.1103/physrevb.52.16353 doi