Abstract
The undoped and transition metal (TM) -doped AlN (AlN:Cu and AlN:Fe) nanorods on silicon substrates were fabricated using a catalysis-free vapor phase method. All the nanorods exhibited high crystalline quality and preferred c-axis orientation. Room-temperature photoluminescence (PL) measurement revealed that undoped AlN nanorods exhibited strong oxygen-related impurity emission at ∼3.25 eV. However, AlN:Fe nanorods had two strong ultraviolet emissions at 3.69 and 6.02 eV which could be attributed to Fe3+-related and band-edge emission, respectively. Both the Cu and Fe-doped AlN nanorods are ferromagnetic. The spontaneous saturated magnetization of the AlN:Cu and AlN:Fe nanorods were determined to be 0.38 and 3.5 emu/cm3at room temperature, respectively. The Fe-doped AlN nanorods not only exhibited ferromagnetism but also significantly enhanced the band-edge emission as compared to the undoped AlN nanorods.
| Original language | English |
|---|---|
| Title of host publication | 2008 2nd IEEE International Nanoelectronics Conference, INEC 2008 |
| Pages | 206-209 |
| Number of pages | 4 |
| DOIs | |
| Publication status | Published - 1 Oct 2008 |
| Externally published | Yes |
| Event | 2008 2nd IEEE International Nanoelectronics Conference, INEC 2008 - Shanghai, China Duration: 24 Mar 2008 → 27 Mar 2008 |
Conference
| Conference | 2008 2nd IEEE International Nanoelectronics Conference, INEC 2008 |
|---|---|
| Country/Territory | China |
| City | Shanghai |
| Period | 24/03/08 → 27/03/08 |
ASJC Scopus subject areas
- Electrical and Electronic Engineering