Abstract
High-quality GaP, GaP@GaN and GaN@GaP nanowires were grown by a convenient vapor deposition technique. The wire-like and two-layers structures of GaP@GaN and GaN@GaP core-shell nanowires were clearly resolved using X-ray powder diffraction and high-resolution transmission electron microscopy (HRTEM) and their growth directions were identified. Photoluminescence intensity of GaP@GaN nanowires increased as temperature increased. The result was interpreted by the piezoelectric effect induced from lattice mismatch between two semiconductor layers. An unexpected peak at 386 cm-1 was found in the Raman spectra of GaN@GaP and assigned to a surface phonon mode due to the interface. Detailed synthetic conditions and possible growth mechanisms of those nanowires were proposed.
| Original language | English |
|---|---|
| Title of host publication | Unconventional Approaches to Nanostructures with Applications in Electronics, Photonics, Information Storage and Sensing |
| Editors | Orlin D. Velev, Timothy J. Running, Younan Xia, Peidong Yang |
| Pages | 23-30 |
| DOIs | |
| Publication status | Published - 2003 |
| Externally published | Yes |
| Event | 2003 Materials Research Society Spring Meeting - San Francisco, United States Duration: 21 Apr 2003 → 25 Apr 2003 https://www.cambridge.org/core/journals/mrs-online-proceedings-library-archive/all-issues |
Publication series
| Name | Materials Research Society Symposium Proceedings |
|---|---|
| Volume | 776 |
Conference
| Conference | 2003 Materials Research Society Spring Meeting |
|---|---|
| Place | United States |
| City | San Francisco |
| Period | 21/04/03 → 25/04/03 |
| Internet address |
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