Characteristics of nano-scale composites by THz spectroscopy

被引：1

作者：

Altan, H ^{[1
]}

Huang, F ^{[1
]}

Federici, J ^{[1
]}

Lan, A ^{[1
]}

Grebel, H ^{[1
]}

机构：

[1] New Jersey Inst Technol, Dept Phys, Newark, NJ 07102 USA

来源：

TERAHERTZ FOR MILITARY AND SECURITY APPLICATIONS | 2003年 / 5070卷

关键词：

SWCNT; Si Nano crystals; THz-TDS; visible pump-THz probe;

D O I：

10.1117/12.506898

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

We have conducted visible pump-THz probe experiments on single wall carbon nanotubes (SWCNTs) on quartz substrates. Our results suggest an upper limit to the carrier-lifetime, which is on the order 1.5ps, limited only by the THz pulse duration. These experiments were repeated for ion-implanted, 3-4nm Si nanoclusters in quartz for which the carrier lifetime was also assessed at 1.5ps. THz time-domain spectroscopy (THz-TDS) of SWCNTs revealed that the THz pulse peak transmission changed under optical illumination.

引用

页码：53 / 59

页数：7

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