The effect of tip-enhancement in near-field Raman scattering of C-60

Prabhat Verma; Kouhei Yamada; Yasushi Inouye; Satoshi Kawata

doi:10.1117/12.645495

1 March 2006 The effect of tip-enhancement in near-field Raman scattering of C-60

Prabhat Verma, Kouhei Yamada, Yasushi Inouye, Satoshi Kawata

Proceedings Volume 6106, Photon Processing in Microelectronics and Photonics V; 61061X (2006) https://doi.org/10.1117/12.645495
Event: Lasers and Applications in Science and Engineering, 2006, San Jose, California, United States

Abstract

The interactions between an apertureless metal-coated tip and C-60 molecules have been studied by near-field Raman scattering technique. The electromagnetic and the chemical interaction through the local plasmon polaritons generated at the metallized tip apex provide an enhanced scattering and high spatial resolution much beyond the diffraction limits of the probing light. And additional enhancement under the gap-mode configuration, when C-60 molecules were sandwiched between a thin rough metal layer and metallized tip, was observed. Further, the mechanical interaction between the tip and C-60 molecules were studies by pressurizing C-60 molecules uniaxially by the tip. The photopolymerization of C-60 molecules was found to accelerate under high tip-pressure.

Citation Download Citation

Prabhat Verma, Kouhei Yamada, Yasushi Inouye, and Satoshi Kawata "The effect of tip-enhancement in near-field Raman scattering of C-60", Proc. SPIE 6106, Photon Processing in Microelectronics and Photonics V, 61061X (1 March 2006); https://doi.org/10.1117/12.645495

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