MICROSTRUCTURE AND FIELD-EMISSION OF DIAMOND PARTICLES ON SILICON TIPS

被引:70
作者
GIVARGIZOV, EI
ZHIRNOV, VV
STEPANOVA, AN
RAKOVA, EV
KISELEV, AN
PLEKHANOV, PS
机构
[1] Institute of Crystallography, Russian Academy of Science, Moscow, 117333
关键词
D O I
10.1016/0169-4332(94)00532-X
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
Structural and field-emission studies of diamond-coated tips were performed. RHEED and HRTEM investigations have shown that diamond coatings are polycrystalline with average sizes of crystallites between 10 and 100 nm. Field-emission measurements demonstrate strong emission from blunt tips with radii of 0.4 mu m. After annealing in oxygen the emission current decreased by two orders of magnitude. Two approaches for the explanation of the observed emission behavior were proposed: (1) NEA-affected emission and (2) emission from sharp nano-size points.
引用
收藏
页码:24 / 30
页数:7
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