[PDF]
http://dx.doi.org/10.3952/lithjphys.46214
Open access article / Atviros prieigos straipsnis
Lith. J. Phys. 46, 233–235 (2006)
BOUNDARY CONDITIONS IN A REAL
BIPOLAR SEMICONDUCTOR–METAL JUNCTION
A. Konin
Semiconductor Physics Institute, A. Goštauto 11, LT-01108
Vilnius, Lithuania
E-mail: konin@pfi.lt
Received 16 March 2006
Boundary conditions for non-equilibrium carrier
densities and electric potential in a real metal–semiconductor
junction are obtained on the basis of the continuity equations and
the Poisson equation. The non-steady state case has been analysed.
It is taken into account that holes do not penetrate into metal
and the chemical potential of metal is constant. The both cases of
open or loaded by a resistor external electric circuit are
considered.
Keywords: boundary conditions, continuity equations, electric
potential, metal–semiconductor junction
PACS: 73.40.Sx, 73.50.Gr
KRAŠTINĖS SĄLYGOS REALIOJE
BIPOLINIO PUSLAIDININKIO IR METALO SANDŪROJE
A. Konin
Puslaidininkių fizikos institutas, Vilnius, Lietuva
Nustatytos kraštinės sąlygos nepusiausviriniams
elektriniam potencialui ir krūvininkų koncentracijai realioje
metalo ir puslaidininkio sandūroje remiantis nenutrūkstamumo ir
Poisson’o lygtimis. Ištirtas nestacionarios būsenos atvejis.
Atsižvelgta į tai, kad metalo cheminis potencialas yra konstanta
ir metale nėra skylių. Išorinė elektros grandinė gali būti atvira
arba apkrauta omine varža.
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