Surfaces and Interfaces in Semiconductor Technology

  • E. H. Rhoderick


Surfaces and interfaces play a very important role in semiconductor technology. By a ‘surface’ we usually mean the boundary between a solid and a gas (or vacuum), while the term ‘interface’ tends to be applied to the boundary between two dissimilar solids, such as a semiconductor and a metal. A ‘passive’ surface or interface is one which merely defines the spatial extent of a semiconductor device and determines the boundary conditions for electron flow, while an ‘active’ interface is one which is perpendicular to the direction of electron flow and gives the device its non-linear or amplifying properties. Semiconductor devices involve both active and passive interfaces, and the skill of the device designer lies in optimising the effect of the former and eliminating as far as is possible any effect of the latter.


Barrier Height Schottky Barrier Reverse Bias Minority Carrier Gallium Arsenide 


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Copyright information

© Plenum Press, New York 1978

Authors and Affiliations

  • E. H. Rhoderick
    • 1
  1. 1.Department of Electrical Engineering & ElectronicsUniversity of Manchester Institute of Science & TechnologyManchesterUK

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