Evidence for low intrinsic surface-recombination velocity onp-type InP
- 15 December 1991
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 44 (23) , 13097-13100
- https://doi.org/10.1103/physrevb.44.13097
Abstract
Direct measurements of the intrinsic surface-recombination velocity (SRV) on p-type InP have been performed using ultrafast time-resolved photoluminescence. The results show that the intrinsic SRV on p-type InP is low (∼500 cm/s), similar to the value reported for n-type InP surfaces. It is suggested that the low luminescence efficiency of p-type InP is due to its low effective bulk lifetime (<23 ns) and to a large surface band bending, and does not indicate high SRV as has been generally accepted.Keywords
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