Surface phonon polariton characteristics of bulk wurtzite ZnO crystal |
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| Authors: | SC Lee SS NgKG Saw Z HassanH Abu Hassan |
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| Institution: | Nano-Optoelectronics Research and Technology Laboratory, School of Physics, Universiti Sains Malaysia, 11800 Penang, Malaysia |
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| Abstract: | The surface phonon polariton (SPP) mode of bulk wurtzite (α-) zinc oxide (ZnO) crystal is investigated by means of p-polarized infrared attenuated total reflection (ATR) spectroscopy. From the ATR spectrum, a strong absorption dip corresponds to the SPP mode of bulk α-ZnO is clearly observed at 529 cm−1. The experimental SPP mode showed good agreement with the theoretical SPP mode deduced from the surface polariton dispersion curve generated by the semi-infinite anisotropic crystal model. |
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| Keywords: | Anisotropic Attenuated total reflection Surface phonon polariton Zinc oxide |
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