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- Design of lumpy metallic nanoparticles for broadband and wide-angle light scattering
- Stokes, Nicholas; Jia, Baohua; Gu, Min
- Broadband and wide-angle light scattering media are highly desirable in photonic applications. In this paper, we theoretically investigate the light scattering properties of lumpy nanoparticles of silver, aluminum, and copper compared to those of smooth nanospheres with the same volume. The lumpy nanoparticles are found to provide broadband scattering enhancement over the smooth nanoparticles in a variety of dielectric environments. A maximum 18 enhancement in angular scattering for Al lumpy particles was found. More importantly, near-field scattering intensity mapping confirms that the enhanced scattering is achieved in all directions, making them more attractive in diverse photonic applications.
- Publication type
- Journal article
- Research centre
- Swinburne University of Technology. Faculty of Engineering and Industrial Sciences. Centre for Micro-Photonics
- Applied Physics Letters, Vol. 101, no. 14 (Oct 2012), article no. 141112
- Publication year
- FOR Code(s)
- 02 Physical Sciences; 09 Engineering
- Broadband scattering; Lumpy nanoparticles; Photonic applications; Wide-angle light scattering
- American Institute of Physics
- Publisher URL
- Copyright © 2012 American Institute of Physics. The published version is reproduced with the kind permission of the publisher.
- Additional information
- The authors acknowledge support from the Victorian Government to establish the Victoria-Suntech Advanced Solar Facility (VSASF) under the Victoria Science Agenda (VSA) scheme, and the Victorian Governmentt through the Victorian Fellowship.
- Full text
- Peer reviewed