Jc. Yen et al., HIGH-PERFORMANCE ALAS GAXIN1-XAS RESONANT-TUNNELING DIODES BY METALORGANIC CHEMICAL-VAPOR-DEPOSITION/, Journal of electronic materials, 24(10), 1995, pp. 1387-1390
We report on AlAs/GaxIn1-xAs (x = 0.47) quantum well heterostructures
grown by metalorganic chemical vapor deposition (MOCVD) on InP substra
tes. Heterostructure quality was evaluated by high resolution x-ray di
ffraction for various growth conditions. Double barrier quantum well h
eterostructures were grown and processed into resonant tunneling diode
s (RTDs). Room temperature electric:al measurements of the RTDs yielde
d maximum peak to valley current ratios of 7.7 with peak current densi
ty of 96 kA/cm(2) and 11.3 with peak current density of 12 kA/cm(2), f
or devices grown by atmospheric and low pressure MOCVD, respectively.