The resistance of a (Xe)(n) atomic wire

被引：17

作者：

Pizzagalli, L ^{[1
]}

Joachim, C ^{[1
]}

Bouju, X ^{[1
]}

Girard, C ^{[1
]}

机构：

[1] UNIV FRANCHE COMTE, PHYS MOL LAB, CNRS, URA 772, F-25030 BESANCON, FRANCE

来源：

EUROPHYSICS LETTERS | 1997年 / 38卷 / 02期

关键词：

D O I：

10.1209/epl/i1997-00207-5

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The electrical resistances of different (Xe)(n) atomic wires are calculated. For Xe and (Xe)(2), confined in the gap of a scanning tunneling microscope junction, the dynamics of the xenon atoms upon approaching the probe tip is included. With a single Xe, in agreement with the recent work of Yazdani ct al. (Science, 272 (1996) 1921), a resistance of 0.06 M Omega is found. The resistance of (Xe)(2) ranges between 10 M Omega and 30 M Omega due to both mechanical deformations and electronic interferences. Finally, for longer (Xe)(n) wires, the resistance displays an exponential behavior with respect to n and an inverse damping length of 0.74 Angstrom(-1), very close to that of an alkane chain, is predicted.

引用

页码：97 / 102

页数：6

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