Optical properties of highly ordered AlN nanowire arrays grown on sapphire substrate

@inproceedings{Zhao2005OpticalPO,
  title={Optical properties of highly ordered AlN nanowire arrays grown on sapphire substrate},
  author={Qing Zhao and Hongzhou Zhang and Xiangyu Xu and Zhe Wang and Jun Xu and Dapeng Yu and Guohua Li and Fu Hai Su},
  year={2005}
}
Highly ordered AlN nanowire arrays were synthesized via a simple physical vapor deposition method on sapphire substrate. The nanowires have an extremely sharp tip <10nm, with the average length around 3 μm. Raman spectroscopy analysis on the AlN nanowire arrays revealed that the lifetime of the phonons is shorter than that in bulk AlN. The transmission spectra of the AlN nanowires showed a blueshift ∼0.27eV at the absorption edge with that of the bulk AlN, which is closely related to the small… CONTINUE READING

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