ORGANOMETALLIC CHEMICAL-VAPOR-DEPOSITION AND CHARACTERIZATION OF INDIUM-PHOSPHIDE NANOCRYSTALS IN VYCOR POROUS-GLASS

被引：36

作者：

HENDERSHOT, DG

GASKILL, DK

JUSTUS, BL

FATEMI, M

BERRY, AD

机构：

[1] Naval Research Laboratory, Laboratory for Advanced Material Synthesis, Washington

[2] Naval Research Laboratory, Washington

来源：

APPLIED PHYSICS LETTERS | 1993年 / 63卷 / 24期

关键词：

D O I：

10.1063/1.110189

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Indium phosphide has been deposited in 40 and 150 angstrom Vycor porous glass by the reaction of trimethylindium with excess PH3. X-ray diffraction (XRD) of the red, transparent samples confirms the presence of crystalline indium phosphide. The amount of III-V material deposited within the glass matrix (loading) and annealing conditions influence the crystallinity and particle size of the nanocrystallites. The absorption spectra of vacuum-annealed samples is blue shifted with respect to bulk InP, with maxima ranging from 500 to 700 nm for both the 40 and 150 angstrom samples and is consistent with size quantization. The nonlinear optical properties of these nanocrystallite composites have been evaluated by Z-scan measurements and are characterized by a defocusing refractive nonlinearity influenced by a substantial nonlinear loss presumed to be caused by two-photon absorption.

引用

页码：3324 / 3326

页数：3

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