Field emission investigation of single Fe-doped SnO2 wire

被引：11

作者：

Bhise, Ashok B. ^{[1
]}

Late, Dattatray J. ^{[1
]}

Sathe, Bhaskar R. ^{[2
]}

More, Mahendra A. ^{[1
]}

Mulla, Imtiaz S. ^{[2
]}

Pillai, Vijayamohanan K. ^{[2
]}

Joag, Dilip S. ^{[1
]}

机构：

[1] Univ Poona, Dept Phys, Ctr Adv Studies Mat Sci & Condensed Matter Phys, Pune 411007, Maharashtra, India

[2] Natl Chem Lab, Phys & Mat Chem Div, Pune 411008, Maharashtra, India

来源：

SOLID STATE SCIENCES | 2009年 / 11卷 / 06期

关键词：

Field emission; SnO2; Fe doped; Current stability; TIN OXIDE; THIN-FILMS; NANOSTRUCTURES; EMITTER;

D O I：

10.1016/j.solidstatesciences.2009.02.011

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Tin oxide submicronwires doped with Fe element were prepared by the thermal evaporation method. Morphological and structural characterizations revealed wires with sub micron size and crystalline in nature. The field electron emission from the single Fe:SnO2 wire was carried out in conventional field emission microscope. The Fowler-Nordheim plot obtained from I-V characteristics of the wire showed a linear behavior typical that of metal. The field enhancement factor estimated from the slope of the F-N plot is 7455 cm(-1), indicating that the field emission is from nanometric features of the emitter. A current density of 10 A/cm(2) has been obtained at an applied field of 4.845 x 10(3) V/mu m. The field emission current-time record at a current level of 1 mu A for more than 3 h duration is promising for various field emissions based applications. (C) 2009 Published by Elsevier Masson SAS.

引用

页码：1114 / 1117

页数：4

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