Picosecond differential transmission measurements on porous silicon

被引：0
|
作者：
Hipwell, MC
Tien, CL
Mao, XL
Russo, RE
机构：
[1] Univ Calif Berkeley, Berkeley, CA 94720 USA
[2] Lawrence Berkeley Lab, Berkeley, CA USA
来源：
MICROSCALE THERMOPHYSICAL ENGINEERING | 1998年 / 2卷 / 02期
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D O I：
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中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
In this work, differential transmission measurements are made to characterize the short-time-scale optical properties of p-type light-emitting porous silicon. Aged and freshly etched samples are used to determine the impact of aging on the nonlinear optical properties. Two-component photo-induced absorption is observed in both types of samples. A model that considers porous silicon's unique properties of confinement, high surface area, and disorder on several length scales is presented to explain the experimental results.
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页码：87 / 99
页数：13
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