Detection of regions with reduced symmetry in cristal surfaces via tip-enhanced Raman spectroscopy (Conference Presentation)

Andreas Ruediger; Azza Hadj Youssef; Mohammad Bakhtbidar; Alexandre Merlen

doi:10.1117/12.2634220

4 October 2022 Detection of regions with reduced symmetry in cristal surfaces via tip-enhanced Raman spectroscopy (Conference Presentation)

Andreas Ruediger, Azza Hadj Youssef, Mohammad Bakhtbidar, Alexandre Merlen

Author Affiliations +

Proceedings Volume PC12203, Enhanced Spectroscopies and Nanoimaging 2022; PC1220308 (2022) https://doi.org/10.1117/12.2634220
Event: SPIE Nanoscience + Engineering, 2022, San Diego, California, United States

Abstract

Almost all local deviations from the perfect crystalline structure will express themselves through a change of symmetry in the proximity of the perturbation as a consequence of which the Raman spectrum is expected to change. These changes typically occur on length scales between a few unit cells and tens of nanometers. Tip-enhanced Raman spectroscopy offers both the spatial resolution and signal enhancement to detect these areas. Knowing that regions with technically different crystallographic phases exist naturally and may also be engineered, the capability of imaging these regions opens opportunities for targeted surface engineering of functional surfaces.

Conference Presentation

Citation Download Citation

Andreas Ruediger, Azza Hadj Youssef, Mohammad Bakhtbidar, and Alexandre Merlen "Detection of regions with reduced symmetry in cristal surfaces via tip-enhanced Raman spectroscopy (Conference Presentation)", Proc. SPIE PC12203, Enhanced Spectroscopies and Nanoimaging 2022, PC1220308 (4 October 2022); https://doi.org/10.1117/12.2634220

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