RAS PhysicsИзвестия Российской академии наук. Серия физическая Bulletin of the Russian Academy of Sciences: Physics

  • ISSN (Print) 0367-6765
  • ISSN (Online) 3034-6460

Investigation of the possibility of using island SERS-structures on a GaP substrate for surface-enhanced inelastic light scattering in the infrared frequency range

PII
S0367676525020143-1
DOI
10.31857/S0367676525020143
Publication type
Article
Status
Published
Authors
Volume/ Edition
Volume 89 / Issue number 2
Pages
232-236
Abstract
We studied the properties of GaP-based periodic dielectric structures with a silver layer coating which can enhance the signal of surface-enhanced inelastic light scattering (SERS). The dependences of the scattering signal intensity on the period for different structure heights were obtained. A comparison of the scattering signal intensities for SiO2 and GaP SERS-structures for laser excitation wavelengths of 532, 785 and 1064 nm was performed. The ability of GaP-based structures with a thin metal layer to enhance the signal by more than 7 orders of magnitude in the infrared frequency range was found. The dependence of the Raman signal enhancement on the thickness of the deposited layer was studied.
Keywords
спектроскопия комбинационного рассеяния поверхностно-усиленная спектроскопия гигантское усиление рамановского рассеяния поверхностный плазмонный резонанс фосфид галлия наноинженерия
Date of publication
16.09.2025
Year of publication
2025
Number of purchasers
0
Views
14

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