OPTICAL 3RD-HARMONIC GENERATION IN LAYERED PEROVSKITE-TYPE MATERIAL (C10H21NH3)2PBI4

被引：57

作者：

XU, CQ ^{[1
]}

KONDO, T ^{[1
]}

SAKAKURA, H ^{[1
]}

KUMATA, K ^{[1
]}

TAKAHASHI, Y ^{[1
]}

ITO, R ^{[1
]}

机构：

[1] IBM JAPAN LTD,TOKYO RES LAB,TOKYO 102,JAPAN

来源：

SOLID STATE COMMUNICATIONS | 1991年 / 79卷 / 03期

关键词：

D O I：

10.1016/0038-1098(91)90643-A

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

Optical third-harmonic generation has been investigated over a wide range of wavelengths on a layered perovskite-type material (C10H21NH3)2PbI4, which exhibits prominent two-dimensional exciton effects due to the "natural superlattice" structure. The measured nonlinear optical susceptibility chi(3) (-3-omega; omega, omega, omega) shows large three-photon resonance to the lowest-energy exciton for the fundamental wavelength at 1.53-mu-m. The magnitude of chi(3) reaches 10(-9) esu, which is comparable to the largest reported value on organic materials with one-dimensional conjugated pi-electron structures.

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页码：245 / 248

页数：4

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