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physics.optics2026
Real-Space Plasmon Imaging Reveals Modified Electronic Structure of Gold at the Monolayer Limit
Andrei Bylinkin, Philippe Roelli, Naveen Shetty +8
Atomically thin materials exhibit electronic and optical properties distinct from their three-dimensional counterparts. For metals, particularly gold, monolayer studies remain larg…
physics.optics2025★ 1 cited
In-operando control of sum-frequency generation in tip-enhanced nanocavities
Philippe Roelli, Isabel Pascual, Iris Niehues +2
Sum-frequency generation (SFG) is a second-order nonlinear process widely used for characterizing surfaces and interfaces with monolayer sensitivity. Recently, optical field enhanc…