Exciton binding energies and photo-induced tunnelling of carriers in (Ga,In)As-GaAs heterostructures grown with built-in piezoelectric field P. BIGENWALD, P. BORING, K. J. MOORE, B. GIL et K. WOODBRIDGEJ. Phys. IV France, 04 C2 (1994) C2-215-C2-223DOI: https://doi.org/10.1051/jp4:1994228