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|Title:||Study of optical and dielectric properties of annealed ZnO nanoparticles in the terahertz regime|
|Citation:||Wang, M.-W., Woo, B.K., Tian, Z., Han, J.-G., Chen, W., Zhang, W.-L. (2009). Study of optical and dielectric properties of annealed ZnO nanoparticles in the terahertz regime. Optoelectronics Letters 5 (6) : 430-433. ScholarBank@NUS Repository. https://doi.org/10.1007/s11801-009-9217-1|
|Abstract:||The frequency-dependent optical and dielectric properties of annealed ZnO nanoparticles in the range of 0. 1 to 0. 9 THz are studied by using terahertz time-domain spectroscopy (THz-TDS). The refractive index, power absorption and complex dielectric constants are obtained and the experimental results are well fit with a simple effective medium theory in conjunction with a pseudo-harmonic model. This study reveals that annealed ZnO nanoparticles exhibit the similar phonon response characteristics to the single ZnO crystal and other ZnO nanostructures, such as tetrapods and nanowires. © 2009 Tianjin University of Technology and Springer Berlin Heidelberg.|
|Source Title:||Optoelectronics Letters|
|Appears in Collections:||Staff Publications|
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