Validation of the tunneling percolation staircase model in granular metals

被引：3
|
作者：
Balberg, I. [1 ]
Azulay, D. [1 ]
Jedrzejewski, J. [1 ]
Savir, E. [1 ]
机构：
[1] Hebrew Univ Jerusalem, Racah Inst Phys, IL-91904 Jerusalem, Israel
来源：
APPLIED PHYSICS LETTERS | 2014年 / 104卷 / 25期
关键词：
CRITICAL-BEHAVIOR; CONDUCTIVITY; FILMS;
D O I：
10.1063/1.4885498
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
In this Letter, we provide conclusive evidence for a lattice like arrangement of the silver grains in the nanogranular Ag-Al2O3 metal. The evidence for the presence of clearly separated first and second near neighbor grains was derived from the electrical conductivity dependence on the metallic content in these composites. The data were analyzed in light of the tunneling percolation staircase model that we have recently suggested for lattices or systems with discrete well-defined interparticle distances in the continuum. (C) 2014 AIP Publishing LLC.
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页数：4
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