Non-Ohmic Conductivity of High-Resistance Layers of Diamond-Like Carbon

被引：1

作者：

Nikolaev, S. N. ^{[1
]}

Vedeneev, A. S. ^{[2
]}

Luzanov, V. A. ^{[2
]}

Emel'yanov, A., V ^{[1
,3
]}

Kozlov, A. M. ^{[2
]}

Bugaev, A. S. ^{[2
,3
]}

Ryl'kov, V. V. ^{[1
,2
]}

机构：

[1] Kurchatov Inst, Natl Res Ctr, Moscow 123182, Russia

[2] Russian Acad Sci, Kotelnikov Inst Radio Engn & Elect, Fryazino Branch, Fryazino 141190, Moscow Oblast, Russia

[3] Moscow Inst Phys & Technol, Dolgoprudnyi 141700, Moscow Oblast, Russia

来源：

JOURNAL OF COMMUNICATIONS TECHNOLOGY AND ELECTRONICS | 2021年 / 66卷 / 10期

基金：

俄罗斯基础研究基金会;

关键词：

Diamonds; -; Nanoclusters; Solvents;

D O I：

10.1134/S1064226921100120

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

In this paper, we study the field dependences of the conductivity of Pt/DLC/Pt structures based on thin (20 nm) high-resistivity layers of diamond-like carbon (DLC). The dependence of electrical conductivity sigma on electric field E was found to have a threshold character and obeys law ln sigma(E) proportional to E-1/2. The revealed features are explained based on the concept of non-ohmic properties of disordered systems with a random Coulomb potential, which is formed in DLC layers by fluctuations of their composition associated with the presence of low-resistance sp(2) nanoclusters in a diamond-like sp(3) matrix. The characteristic size of sp(2) nanoclusters estimated using the percolation model is approximate to 4 nm.

引用

页码：1196 / 1200

页数：5

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