We report the first observation of a two-dimensional electron gas from Shubnikov-de Haas and quantum hall effect experiments in GaInP/GaAs heterostructures grown by low pressure metalorganic chemical vapor deposition. Angular-dependent Shubnikov-de Haas measurements confirm two dimensionality of the system. Low-temperature persistent photoconductivity was observed. Critical density at which the second electric subband starts to be populated was determined to be 7.3×1011 cm- 2.
ASJC Scopus subject areas
- Physics and Astronomy (miscellaneous)