Plasmon excitation modes in nanowire arrays

被引：27

作者：

Sander, MS ^{[1
]}

Gronsky, R

Lin, YM

Dresselhaus, MS

机构：

[1] Univ Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA

[2] Univ Calif Berkeley, Dept Mat Sci & Engn, Berkeley, CA 94720 USA

[3] MIT, Dept Elect Engn & Comp Sci, Cambridge, MA 02139 USA

来源：

JOURNAL OF APPLIED PHYSICS | 2001年 / 89卷 / 05期

关键词：

D O I：

10.1063/1.1337940

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Electron energy loss spectrometry and energy-filtered transmission electron microscopy reveal characteristic plasmon excitations in both isolated Bi nanowires and an array of Bi nanowires within an Al2O3 matrix. As the average nanowire diameter decreases from 90 to 35 nm, both the volume plasmon energy and peak width increase. In addition, a lower-energy excitation is present in a very localized region at the Bi-Al2O3 interface. These results are discussed in the context of quantum confinement and the influence of interfaces on the electronic properties of nanocomposite materials. (C) 2001 American Institute of Physics.

引用

页码：2733 / 2736

页数：4

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