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Polarization Properties of Oblique Incidence Scanning Tunneling Microscopy-Tip-Enhanced Raman Spectroscopy

Gennaro Picardi 1, * Quang Nguyen 1 Razvigor Ossikovski 1 Joachim Schreiber 2
* Corresponding author
1 LPICM - Laboratoire de physique des interfaces et des couches minces [Palaiseau]
2 Raman Division
HORIBA France SAS [Villeneuve d'Ascq]
Abstract : We used scanning tunneling microscopy-tip-enhanced Raman spectroscopy (STM-TERS) to study the polarization properties of near-field scattering on a crystalline material as well as on a dye adsorbate. The measurements on a (111)-oriented c-Si sample were found to be well described by a recently proposed model for TERS and allowed for a characterization of the polarization properties of the tips used. The tip enhancement was stronger for excitation radiation having a field component along the tip axis for both types of samples. A non-negligible enhancement was also found for the field component perpendicular to the tip axis.
Keywords : Brilliant cresyl blue Polarization Tip-enhanced Raman spectroscopy TERS Scanning tunneling microscopy STM Si Brilliant cresyl blue.
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Journal articles
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https://hal-polytechnique.archives-ouvertes.fr/hal-00838078
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Submitted on : Monday, June 24, 2013 - 4:39:52 PM
Last modification on : Thursday, March 5, 2020 - 6:24:33 PM

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  • HAL Id : hal-00838078, version 1

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CNRS | X | X-PICM | LPICM | X-DEP-PHYS

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Gennaro Picardi, Quang Nguyen, Razvigor Ossikovski, Joachim Schreiber. Polarization Properties of Oblique Incidence Scanning Tunneling Microscopy-Tip-Enhanced Raman Spectroscopy. Applied Spectroscopy, Society for Applied Spectroscopy, 2007, 61 (12), pp.1301. ⟨hal-00838078⟩

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