Second-harmonic generation spectroscopy and hyper-Rayleigh scattering in Langmuir-Blodgett films of fullerenes

被引：11

作者：

Mishina, ED

Fedyanin, AA

Klimkin, D

Nikulin, AA

Aktsipetrov, OA

Vorobeva, SL

Novak, VR

Devillers, MAC

Rasing, T

机构：

[1] INST PHYS PROBLEMS,ZELENOGRAD,RUSSIA

[2] CATHOLIC UNIV NIJMEGEN,MAT RES INST,NL-6525 ED NIJMEGEN,NETHERLANDS

来源：

SURFACE SCIENCE | 1997年 / 382卷 / 1-3期

关键词：

fullerenes; second harmonic generation; surface structure;

D O I：

10.1016/S0039-6028(97)00193-3

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Optical second-harmonic generation (SHG) spectroscopy and hyper-Rayleigh scattering (HRS) were studied in thin Langmuir-Blodgett films of fullerenes. For films above five monolayers a coherent SHG signal was observed, whereas a one-monolayer film only produced HRS. The HRS indicatrices were measured, and a correlation length of the non-linear polarization of about 100 nm was obtained. The increase in SHG intensity For C-60-CN films in comparison with that of C-60 films is well pronounced, particularly at the blue end of the SHG spectra, and is attributed to a resonant surface electric-dipole contribution. (C) 1997 Elsevier Science B.V.

引用

页码：L696 / L699

页数：4

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