Abstract
ZnO thin films were grown at a reduced growth temperature on a Si substrate by low-pressure metalorganic chemical vapor deposition. The effects of the reactor pressures and the formation of micro-hillocks on the characteristics of the film were investigated. The ZnO films grown at 210 °C showed mass-transport limited growth behavior and a faceted surface morphology. It was found that the effect of the micro-hillocks on the structural, optical, and electrical properties can be ignored. While the sample grown at 10 Torr showed transparent conductive oxide properties, the sample grown at 3 Torr showed suitable characteristics for use as an ultraviolet emitter.
| Original language | English |
|---|---|
| Pages (from-to) | 5562-5566 |
| Number of pages | 5 |
| Journal | Thin Solid Films |
| Volume | 516 |
| Issue number | 16 |
| DOIs | |
| State | Published - 30 Jun 2008 |
Keywords
- Low temperature
- Micro-hillock
- MOCVD
- ZnO