Generation and minority‐carrier leakage along GaAs surfaces

Autor: Michael R. Melloch, J. A. Cooper, Z. G. Ling, Theresa S. Mayer
Rok vydání: 1994
Předmět:
Zdroj: Journal of Applied Physics. 75:2098-2104
ISSN: 1089-7550
0021-8979
Popis: We describe electrical measurement on exposed surfaces of n‐ and p‐type GaAs. The n‐type surface exhibits substantial electron‐hole pair generation and the subsequent escape of generated holes by leakage along the surface. In contrast, the surface of p‐type GaAs does not exhibit measurable leakage of minority electrons. These results are significant for all GaAs devices and circuits which are sensitive to small leakage currents, and may provide important clues to the physical and electrical nature of exposed GaAs surfaces.
Databáze: OpenAIRE