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Article Dans Une Revue Applied Physics Letters Année : 2016

Plasmonic spectral tunability of conductive ternary nitrides

Résumé

Conductive binary transition metal nitrides, such as TiN and ZrN, have emerged as a category of promising alternative plasmonic materials. In this work, we show that ternary transition metal nitrides such as TixTa1−xN, TixZr1−xN, TixAl1−xN, and ZrxTa1−xN share the important plasmonic features with their binary counterparts, while having the additional asset of the exceptional spectral tunability in the entire visible (400–700 nm) and UVA (315–400 nm) spectral ranges depending on their net valence electrons. In particular, we demonstrate that such ternary nitrides can exhibit maximum field enhancement factors comparable with gold in the aforementioned broadband range. We also critically evaluate the structural features that affect the quality factor of the plasmon resonance and we provide rules of thumb for the selection and growth of materials for nitride plasmonics.
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Dates et versions

hal-04456052 , version 1 (13-02-2024)

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S. Kassavetis, D. Bellas, Grégory Abadias, E. Lidorikis, P. Patsalas. Plasmonic spectral tunability of conductive ternary nitrides. Applied Physics Letters, 2016, 108 (26), pp.263110. ⟨10.1063/1.4955032⟩. ⟨hal-04456052⟩
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