Please use this identifier to cite or link to this item: https://doi.org/10.1007/s11801-009-9217-1
Title: Study of optical and dielectric properties of annealed ZnO nanoparticles in the terahertz regime
Authors: Wang, M.-W.
Woo, B.K.
Tian, Z.
Han, J.-G. 
Chen, W.
Zhang, W.-L.
Issue Date: 2009
Source: 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
URI: http://scholarbank.nus.edu.sg/handle/10635/98093
ISSN: 16731905
DOI: 10.1007/s11801-009-9217-1
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