From favorable atomic configurations to supershell structures: A new interpretation of conductance histograms

被引：43

作者：

Hasmy, A

Medina, E

Serena, PA

机构：

[1] Inst Venezolano Invest Cient, Ctr Fis, Lab Fis Estadist Sistemas Desordenados, Caracas 1020A, Venezuela

[2] CSIC, Inst Ciencia Mat Madrid, E-28049 Madrid, Spain

来源：

PHYSICAL REVIEW LETTERS | 2001年 / 86卷 / 24期

关键词：

D O I：

10.1103/PhysRevLett.86.5574

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Simulated minimum cross-section histograms of breaking Al nanocontacts are produced using molecular dynamics. The results allow a new interpretation of the controverted conductance histogram peaks based on preferential geometrical arrangements of nanocontact necks. As temperature increases, lower conductance peaks decrease in favor of broader and higher conductance structures. This reveals the existence of shell and supershell structures favored by the increased mobility of Al atoms.

引用

收藏

页码：5574 / 5577

页数：4

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