Investigation on optical properties of ZnO nanowires by electron energy-loss spectroscopy |
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| Institution: | 1. Chemistry Department, Çukurova University, 01330 Adana, Turkey;2. Physics Department, Adiyaman University, 02040 Adıyaman, Turkey;3. Physics Department, Çukurova University, 01330 Adana, Turkey;1. School of Electronics and Information Engineering, Tianjin University, Tianjin 300072, PR China;2. Engineering Research Center of Seawater Utilization Technology, Ministry of Education, Hebei University of Technology, Tianjin 300130, PR China;1. School of Physics and Astronomy, University of Edinburgh, Edinburgh, United Kingdom;2. Institute of Physics v.v.i, Academy of Sciences of the Czech Republic, Prague, Czech Republic;3. School of Engineering, University of Edinburgh, Edinburgh, United Kingdom;4. Centre for Science at Extreme Conditions, University of Edinburgh, Edinburgh, United Kingdom |
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| Abstract: | Electron energy-loss spectroscopy (EELS) and ab initio band structure calculations have been performed to determine the optical properties of wurtzite structured zinc oxide (ZnO) nanowires. Compared with other techniques, EELS significantly extends the energy range and is a useful technique for analysis of the dielectric properties on a microstructure level. The first-principles calculations allow deep insight into the experimental results. Furthermore, the polarization dependencies of optical properties have been discussed. Our results give some reference to the thorough understanding of optical properties of ZnO. |
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