surface barrier


Also found in: Acronyms.

surface barrier

[′sər·fəs ‚bar·ē·ər]
(electronics)
A potential barrier formed at a surface of a semiconductor by the trapping of carriers at the surface.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
Due to the higher bending strength, excellent toughness, and permeability, it was used as the basal cushion layer of geomembrane in surface barrier of high rock-fill dam on thick pervious foundation [4].
The [alpha] particles and tritons produced by the [.sup.6]Li(n, t)[.sup.4]He reactions were detected by four surface barrier detectors, each with a well-defined and carefully measured solid angle.
We are going to use surface barrier detectors made from pure silicon.
The proton detector will consist of a thin, cooled silicon surface barrier detector and front-end preamp package surrounded by a hemispherical wire grid at -25 kV to accelerate the protons.