Microscopic calculation of surface-induced second-harmonic generation in crystals of para-nitroaniline

被引：10

作者：

Malagoli, M ^{[1
]}

Munn, RW ^{[1
]}

机构：

[1] UMIST, Dept Chem, Manchester M60 1QD, Lancs, England

来源：

JOURNAL OF CHEMICAL PHYSICS | 2000年 / 112卷 / 15期

关键词：

D O I：

10.1063/1.481251

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：

Previous results for surface linear optical response in centrosymmetric para-nitroaniline crystals are combined with literature values for the molecular first hyperpolarizability to calculate the surface-induced quadratic response. The average surface quadratic susceptibilities for incident light at a wavelength of 803 nm are calculated to be 71 and 50x10(-22) m(2) V-1 for different surface terminations normal to the [001] direction, and 9 and 7x10(-22) m(2) V-1 for different surface terminations normal to the [101] direction (the natural cleavage plane). The latter values are three orders-of-magnitude below that determined by Kobayashi and Kotani, consistent with their evidence for bulk second-harmonic generation from a new phase at the surface. (C) 2000 American Institute of Physics. [S0021-9606(00)70615-5].

引用

页码：6757 / 6762

页数：6

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