What does this research mean for the field?

The shell material in core-shell planar tetramers primarily determines resonance quality and spectral position, with noble metal shells supporting sharper modes compared to reactive or lossy shells. Novelty: ClaimNovelty.NOVEL_FINDING. Consensus alignment: ConsensusAlignment.NEUTRAL.

What question did this study set out to answer?

This work aims to establish design rules for optimizing the collective plasmonic response of core-shell tetramers.

March 5, 2026Materials Today CommunicationsOpen Access

Tunable Plasmonic Coupling in Core–Shell Planar Tetramers: Composition and Gap Dependent Resonances and Mode Evolution

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Authors

FRFaezeh RahiminejadIslamic Azad University North Tehran Branch SPS. PanahibakhshIranian Center for Quantum Technologies LMLaleh Farhang MatinIslamic Azad University South Tehran Branch

Discussion

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Implication

Research reveals how material composition and interparticle gaps influence optical properties in core-shell tetramers, suggesting design guidelines for applications.

Key Points

This work aims to establish design rules for optimizing the collective plasmonic response of core-shell tetramers.
Conducted full-wave electromagnetic simulations of planar core-shell tetramers arranged in a square configuration.
Varied shell materials (Au, Cu, Al, Ni) with core options (Ag, Au) and interparticle gaps ranging from 0 to 30 nm.
Analyzed impact on spectral response, resonance quality, and near-field enhancement.
Shell material significantly affects resonance quality and spectral position, with noble metal shells generating sharper modes.
Reducing interparticle distance enhances dipolar coupling and creates intense near-field hot spots.
Larger gaps weaken coupling, leading to localized fields near the substrate.

Cite This Study

Rahiminejad et al. (2026) studied this question.

synapsesocial.com/papers/69a91da8d6127c7a504c09f7 https://doi.org/10.1016/j.mtcomm.2026.114950

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March 5, 2026Materials Today CommunicationsOpen Access

Tunable Plasmonic Coupling in Core–Shell Planar Tetramers: Composition and Gap Dependent Resonances and Mode Evolution

View Full Paper

Ask AI

Bookmark

Authors

FRFaezeh RahiminejadIslamic Azad University North Tehran Branch SPS. PanahibakhshIranian Center for Quantum Technologies LMLaleh Farhang MatinIslamic Azad University South Tehran Branch

Discussion

Member takes

Implication

Research reveals how material composition and interparticle gaps influence optical properties in core-shell tetramers, suggesting design guidelines for applications.

Key Points

This work aims to establish design rules for optimizing the collective plasmonic response of core-shell tetramers.
Conducted full-wave electromagnetic simulations of planar core-shell tetramers arranged in a square configuration.
Varied shell materials (Au, Cu, Al, Ni) with core options (Ag, Au) and interparticle gaps ranging from 0 to 30 nm.
Analyzed impact on spectral response, resonance quality, and near-field enhancement.
Shell material significantly affects resonance quality and spectral position, with noble metal shells generating sharper modes.
Reducing interparticle distance enhances dipolar coupling and creates intense near-field hot spots.
Larger gaps weaken coupling, leading to localized fields near the substrate.

Cite This Study

Rahiminejad et al. (2026) studied this question.

synapsesocial.com/papers/69a91da8d6127c7a504c09f7 https://doi.org/10.1016/j.mtcomm.2026.114950

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