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Autor:
C. M. Hurd, W. R. McKinnon
Publikováno v:
Journal of Applied Physics. 80:5449-5453
We use a two-dimensional, drift-diffusion calculation to illustrate the physics behind the recently described GaAs metal–semiconductor–metal photodetector with an ohmic backgate provided by a p-doped layer. We calculate the transient response of
Autor:
C. M. Hurd, W. R. McKinnon
Publikováno v:
Journal of Applied Physics. 79:1578-1582
A semiconductor with a high resistivity due to a deep trap is called a semi-insulator. A semi-insulator does not always behave like a normal insulator because of so-called bias voltage propagation, which arises from space charge in the deep trap. Thi
Autor:
W. R. McKinnon, C. M. Hurd
Publikováno v:
Journal of Applied Physics. 78:5756-5764
A calculation is described of the transient pulse response of a planar metal-semiconductor-metal photodetector consisting of Schottky contacts made to an active layer of semi-insulating InGaAs:Fe that is supported on an InP:Fe substrate. The simulati