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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Chia-Feng Lin Kuei-Ting Chen Kun-Pin Huang |
| Copyright Year | 1980 |
| Abstract | InGaN-based light emitting diodes (LEDs) were embedded by an insulated disk-array gallium oxide (Ga2O3) pattern structure that was formed through a photoelectrochemical oxidation process on a GaN layer. A 4-μm-diameter native Ga2O3 pattern with a top air-void structure was observed in the lower undoped GaN layer acting as a lateral overgrowth mask and as a light scattering center. In the patterned-Ga2 O3 LED structure (PGO-LED), the light output power had an approximate 28% enhancement when compared to a conventional LED at 20 mA. In the PGO-LED structure, the lower piezoelectric field and the slightly higher internal quantum efficiency in the InGaN active layers were both measured through a bias-dependent and temperature-dependent microphotoluminescence measurement. The LED structure consists of Ga2O3 disk-array patterns with top air-void structures that increase external quantum efficiency for nitride-based LED applications. |
| Sponsorship | IEEE Electron Devices Society |
| Starting Page | 1431 |
| Ending Page | 1433 |
| Page Count | 3 |
| File Size | 387573 |
| File Format | |
| ISSN | 07413106 |
| Volume Number | 31 |
| Issue Number | 12 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2010-12-01 |
| Publisher Place | U.S.A. |
| Access Restriction | One Nation One Subscription (ONOS) |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Gallium nitride Light emitting diodes Temperature measurement Epitaxial growth Power generation Oxidation Voltage measurement Semiconductor device measurement semiconductor device measurements Light-emitting diodes (LEDs) optical device fabrication oxidation |
| Content Type | Text |
| Resource Type | Article |
| Subject | Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering |
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