Quantum size effects manifest in infrared spectra of single bismuth nanowires

被引：43

作者：

Cornelius, TW

Toimil-Molares, ME

Neumann, R

Fahsold, G

Lovrincic, R

Pucci, A

Karim, S

机构：

[1] Gesell Schwerionenforsch mbH, D-64291 Darmstadt, Germany

[2] Heidelberg Univ, Kirchhoff Inst Phys, D-69120 Heidelberg, Germany

[3] Univ Marburg, Fachbereich Chem, D-35032 Marburg, Germany

来源：

APPLIED PHYSICS LETTERS | 2006年 / 88卷 / 10期

关键词：

D O I：

10.1063/1.2183823

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Infrared transmission spectroscopy measurements on single bismuth nanowires of various diameters d are presented. The spectra show a strong absorption whose onset is blueshifted proportionally to 1/d(2). We ascribe the absorption to interband transitions. The blueshift results from quantum size effects since they lead to the d-dependent splitting of the energy bands and to a respective shift of energy gaps.

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页数：3

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