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A Library of Late T...
A Library of Late Transition Metal Alloy Dielectric Functions for Nanophotonic Applications
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- Rahm, Magnus, 1990 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Tiburski, Christopher, 1988 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Rossi, Tuomas, 1988 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Nugroho, Ferry, 1986 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Nilsson, Sara, 1990 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Langhammer, Christoph, 1978 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Erhart, Paul, 1978 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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(creator_code:org_t)
- 2020-06
- 2020
- Engelska.
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Ingår i: Advanced Functional Materials. - : Wiley. - 1616-3028 .- 1616-301X. ; 30:35
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https://research.cha... (primary) (free)
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https://doi.org/10.1...
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https://doi.org/10.1...
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https://research.cha...
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Abstract
Ämnesord
Stäng
- Accurate complex dielectric functions are critical to accelerate the development of rationally designed metal alloy systems for nanophotonic applications, and to thereby unlock the potential of alloying for tailoring nanostructure optical properties. To date, however, accurate alloy dielectric functions are widely lacking. Here, a time-dependent density-functional theory computational framework is employed to compute a comprehensive binary alloy dielectric function library for the late transition metals most commonly employed in plasmonics (Ag, Au, Cu, Pd, Pt). Excellent agreement is found between electrodynamic simulations based on these dielectric functions and selected alloy systems experimentally scrutinized in 10 at% composition intervals. Furthermore, it is demonstrated that the dielectric functions can vary in very non-linear fashion with composition, which paves the way for non-trivial optical response optimization by tailoring material composition. The presented dielectric function library is thus a key resource for the development of alloy nanomaterials for applications in nanophotonics, optical sensors, and photocatalysis.
Ämnesord
- NATURVETENSKAP -- Fysik -- Atom- och molekylfysik och optik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Atom and Molecular Physics and Optics (hsv//eng)
- NATURVETENSKAP -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Condensed Matter Physics (hsv//eng)
Nyckelord
- nanoalloys
- nanofabrication
- optical response
- time-dependent density-functional theory
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Rahm, Magnus, 19 ...
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Tiburski, Christ ...
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Rossi, Tuomas, 1 ...
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Nugroho, Ferry, ...
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Nilsson, Sara, 1 ...
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Langhammer, Chri ...
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Erhart, Paul, 19 ...
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