Sensitization of silicon nitride surfaces for Ag+ ions by ion implantation

被引:1
作者
Moller, D [1 ]
Pham, MT [1 ]
Huller, J [1 ]
机构
[1] Rossendorf Inc, Forschungszentrum Rossendorf EV, Inst Ionenstrahlphys & Mat Forsch, D-01314 Dresden, Germany
关键词
silicon nitride; ion implantation; ion sensitivity;
D O I
10.1016/S0925-4005(97)00197-4
中图分类号
O65 [分析化学];
学科分类号
070302 ; 081704 ;
摘要
Thin films of Si(3)N4 implanted with Ag+ and S+ ions were studied using electrolyte insulator semiconductor measurements (EIS), Auger electron spectroscopy (AES), X-ray photo electron spectroscopy (XPS), transmission electron microscopy (TEM) and X-ray diffraction (XRD). The ion implantation results in embedding silver metal particles, submicron in size, enveloped by a thin skin of Ag2S within the matrix layer. This composite material is shown to be responsible for the Ag+ ion sensitivity. The Ag+ ion sensitivity observed reveals values ranging from some millivolts to nearly Nernstian response. A modeling on the basis of site-binding theory was made to describe the ion sensitivity of the composite material surface. (C) 1997 Elsevier Science S.A.
引用
收藏
页码:110 / 113
页数:4
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