An InP/InGaAs tunnel junction fabricated on (311)B InP substrate by MOCVD
We investigated the doping characteristics of InP/InGaAs on the (311)B plane by metalorganic chemical vapour deposition (MOCVD) using metalorganic group-V regents. For both n-type Si-doping and p-type Zn-doping, we found that dopant incorporation is higher on the (311)B plane than the (100) plane, a...
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Zusammenfassung: | We investigated the doping characteristics of InP/InGaAs on the (311)B plane by metalorganic chemical vapour deposition (MOCVD) using metalorganic group-V regents. For both n-type Si-doping and p-type Zn-doping, we found that dopant incorporation is higher on the (311)B plane than the (100) plane, and that we can dope both n-type and p-type layers more than 10/sup 19/ cm/sup -3/ at the same growth condition. Applying this result, we grew a tunnel junction on (311)B InP substrates at a constant growth temperature. The as-grown junction showed good current-voltage characteristics and is promising for device applications. |
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ISSN: | 1092-8669 |
DOI: | 10.1109/ICIPRM.2004.1442624 |