Electrolytical diffusion of antimony in silicon
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abstract
Experimental results for the electrodiffusion of antimony into 〈111〉 p-type silicon through thin SiO2 films are reported. C-V plots of metal-oxide-semiconductor capacitors show that n-p junctions are formed by the electrochemical process. The electrolytical doping profile is determined from C-V data in the depletion regime and it shows that the amount of antimony impurity ions in silicon can be controlled by means of the current-time product of the electrodiffusion process.