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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Kočí, Jan | Prague |
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| Azam, Siraj |
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| Ali, M. A. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Huang, Fumin
Queen's University Belfast
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (6/6 displayed)
- 2022Searching for refractory plasmonic materials: the structural and optical properties of Au3Zr intermetallic thin filmscitations
- 2022Optical properties of Au-Hf thin filmscitations
- 2022Elliptical plasmonic near-field transducer and v-shape waveguide designs for heat assisted magnetic recording
- 2019The optical properties of AuZr intermetallic alloys
- 2018Mechanism of Gold-Assisted Exfoliation of Centimeter-Sized Transition-Metal Dichalcogenide Monolayerscitations
- 2017Near-Field Raman Enhancement of Single Molecules and Point Scattererscitations
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article
Searching for refractory plasmonic materials: the structural and optical properties of Au3Zr intermetallic thin films
Abstract
Optical properties of refractory intermetallic thin films of Au3Zr were experimentally investigated for the first time, which show distinctive plasmonic properties in the visible and near infrared region. The films were fabricated through DC magnetron sputtering at various deposition temperature ranging from room temperature to 427 °C and annealed at different vacuum levels. Both the structural and optical properties are found to be critically dependent on deposition temperature and anneal conditions. Films deposited between 205 and 320 °C are shown to exhibit lower negative permittivity and better thermal stability, which could be linked to specific crystalline orientations. The films are stable when annealed at 10−8 Torr, but are partially oxidized when annealed at 10−6 Torr, suggesting oxidization could be a restricting issue for high-temperature applications in ambient environment.