CONTAMINATION EFFECTS IN ION-BEAM MIXED COBALT SILICIDE GROWTH

被引:6
作者
EDWARDS, SC [1 ]
COLLINS, RA [1 ]
DEARNALEY, G [1 ]
机构
[1] AERE,DIV NUCL PHYS,HARWELL OX11 0RA,OXON,ENGLAND
关键词
ION BEAMS - Applications;
D O I
10.1016/0042-207X(84)90190-8
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
The formation of cobalt silicides using 200 keV Ar** plus ion beam mixing has been studied as a function of subsequent vacuum optical annealing at temperatures in the range 500-700 degree C. Elemental intermixing and silicide stoichiometry were studied using Rutherford alpha backscattering. The effects of Ar** plus ion dose on cobalt films thermally evaporated in poor vacuum (10** minus **5 torr) and high vacuum (5 multiplied by 10** minus **9 torr) have been investigated. Dose dependence studies showed that whilst the high-vacuum deposited films formed stoichiometric silicides with zero bombardment dose over the whole temperature range, the contaminated Co film samples required a minimum bombardment dose dependent on temperature.
引用
收藏
页码:1017 / 1019
页数:3
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