Nanoscale tungsten aerosol particles embedded in GaAs

Åberg, Ingvar; Deppert, Knut; Magnusson, Martin H.; Pietzonka, Ines; Seifert, Werner; Wernersson, Lars-Erik; Samuelson, Lars
April 2002
Applied Physics Letters;4/22/2002, Vol. 80 Issue 16, p2976
Academic Journal
GaAs containing buried nanoscale tungsten particles has been characterized electrically. The particles were produced using a special aerosol process and were embedded in GaAs by epitaxial overgrowth. Two different particle sizes were investigated separately. When the particle concentration was increased, a conductance drop of about 500 times was observed. A simulation model, based on a random distribution of the particles, was developed and used to support our findings. The major advantage of our method is the simplicity and low processing cost. © 2002 American Institute of Physics.


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