Optical second-harmonic-generation probe of two-dimensional ferroelectricity

被引：21

作者：

Aktsipetrov, OA ^{[1
]}

Misuryaev, TV

Murzina, TV

Blinov, LM

Fridkin, VM

Palto, SP

机构：

[1] Moscow MV Lomonosov State Univ, Dept Phys, Moscow 119899, Russia

[2] Russian Acad Sci, Inst Crystallog, Moscow 117333, Russia

来源：

OPTICS LETTERS | 2000年 / 25卷 / 06期

关键词：

D O I：

10.1364/OL.25.000411

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Optical second-harmonic generation (SHG) is used as a noninvasive probe of two-dimensional (2D) ferroelectricity in Langmuir-Blodgett (LB) films of the copolymer vinylidene fluoride with trifluoroethylene. The surface 2D ferroelectric - paraelectric phase transition in the topmost layer of the LB films and a thickness-independent (almost 2D) transition in the bulk of these films are observed in temperature studies of SHG. (C) 2000 Optical Society of America OCIS codes: 190.4350, 190.4710, 190.2620, 240.0310, 310.3840.

引用

页码：411 / 413

页数：3

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