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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Fushimi, H. Wada, K. |
| Copyright Year | 1963 |
| Abstract | Degradation behavior and mechanism of GaAs-based devices under minority-carrier injection has been studied by measuring the increase in the leakage current and the luminescence lifetime of minority carriers. It is found that hydrogen unintentionally incorporated in GaAs-based devices induces degradation under minority-carrier injection, i.e., increase in injection leakage current at low bias voltage. "Isolated" hydrogen donors (H/sup +/) induce rapid degradation, and even carbon-hydrogen (C-H) complexes which are believed to be electrically neutral induce slow degradation. Degradation is induced by the decomposition of the C-H complexes, enhanced by minority-carrier injection producing electrically active isolated hydrogen donors (H/sup +/). The kinetics of the leakage current increase are well explained by the decomposition kinetics of the C-H complexes. Under minority-carrier injection, H/sup +/ changes to hydrogen acceptors (H/sup - /) by capturing two electrons. Hydrogen donors (H/sup +/) and hydrogen acceptors (H/sup -/) combine and become a molecular hydrogen which Is thought to form {111} platelets. This decomposition mechanism are not due to recombination-enhanced defect reaction (REDR) but is related to charge state effects by two-electron capturing. We infer that the degradation mechanism is closely related to the leakage through the {111} platelets. |
| Sponsorship | IEEE Electron Devices Society |
| Starting Page | 1996 |
| Ending Page | 2001 |
| Page Count | 6 |
| File Size | 98869 |
| File Format | |
| ISSN | 00189383 |
| Volume Number | 44 |
| Issue Number | 11 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 1997-11-01 |
| Publisher Place | U.S.A. |
| Access Restriction | One Nation One Subscription (ONOS) |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Degradation Gallium arsenide Hydrogen Leakage current Kinetic theory Current measurement Luminescence Low voltage Electrons Spontaneous emission |
| Content Type | Text |
| Resource Type | Article |
| Subject | Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering |
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