Abstract
The effects of H on the interaction between Ga vacancies (formula presented) and N in (formula presented) dilute alloys are studied through first-principles total-energy calculations. We find that N binds to Ga vacancies and that in the presence of H this binding is enhanced. The formation energy of (formula presented) bonded to N and H (resulting in a (formula presented) complex) can be more than 2 eV lower than that of the isolated Ga vacancy (formula presented) in GaAs. Our finding that the concentration of (formula presented) increases with N and even more in the presence of H allows us to interpret several recent experiments.
Original language | American English |
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Article number | 161201 |
Pages (from-to) | 1612011-1612014 |
Number of pages | 4 |
Journal | Physical Review B - Condensed Matter and Materials Physics |
Volume | 67 |
Issue number | 16 |
DOIs | |
State | Published - 30 Apr 2003 |
NREL Publication Number
- NREL/JA-590-34433