Quantum confinement between self-organized Pt nanowires on Ge(001) -: art. no. 116801

被引：95

作者：

Oncel, N ^{[1
]}

van Houselt, A ^{[1
]}

Huijben, J ^{[1
]}

Hallbäck, AS ^{[1
]}

Gurlu, O ^{[1
]}

Zandvliet, HJW ^{[1
]}

Poelsema, B ^{[1
]}

机构：

[1] Univ Twente, MESA Res Inst Nanotechnol, NL-7500 AE Enschede, Netherlands

来源：

PHYSICAL REVIEW LETTERS | 2005年 / 95卷 / 11期

关键词：

D O I：

10.1103/PhysRevLett.95.116801

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The existence of one-dimensional (1D) electronic states between self-organized Pt nanowires spaced 1.6 or 2.4 nm apart on a Ge(001) surface is revealed by low-temperature scanning tunneling microscopy. These perfectly straight Pt nanowires act as barriers for a surface state (located just below the Fermi level) of the underlying terrace. The energy positions of the 1D electronic states are in good agreement with the energy levels of a quantum particle in a well. Spatial maps of the differential conductivity of the 1D electronic states conclusively reveal that these states are exclusively present in the troughs between the Pt nanowires.

引用

页数：4

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