Space-Charge Capacitance of Asymmetric, Abrupt <i>p-n</i> Junctions

Kleinknecht, H. P.

doi:10.1063/1.1710053

Cited by 18 publications

(4 citation statements)

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“…If Yo is not very large a decreases and changes sign but always remains small. For Apart from a small numerical factor this agrees with Kleinknecht's result [8], which is in good agreement with experiment. It should also be compared with the Schottky-Shockley formula, as modified by Gummel and Scharfetter [9],…”

Section: Space Chargo Capacitance Of An Abrupt Junctionsupporting

confidence: 90%

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The space charge capacitance of a p–n junction

Parrott

1974

Phys. Stat. Sol. (a)

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Starting from a general expression for the space charge capacitance derived elsewhere and the Moll assumption of constant quasi-Fermi levels, a representation of this capacitance in the form of a convergent series is presented. The first and most important term in this seriesis the point at which the electron and hole concentrations are equal and E ( 0 ) and M(zo) are the electric field and net doping concentration a t that point. This result is used t o derive a formula for the space charge capacitance of an abrupt asymmetric junction which is in better agreement with experiment than the Schottky-Shockley formula. Onpr&sente partant d'une formule gentkale pour la capacite de la chargc d'espace tire d'ailleurs e t de la hypothbe de Moll que les niveaux quasi-Fermi sont constants, une representation de cette capacit6 dans la forme d'une serie convergente. Le prcmier termc et le plus important dans cette series est C, = EE, ---pN(zo) -oh zo est le point oh les concentrations des 6lectrons et des trous sont &gales, et E(0) et M ( z 3 ) sont le champ Blectrique et la concentration dopante nette it ce point. On emploie ce resultat pour tirer une expression pour la capacit6 de la charge d'espace d'une jonction abrupte asymmetrique qui est en meillenr accord avec des experiences que la formule Schottky-Shockley. c = --kT p d Y f d Y ' dR 2 cosh2 Y m D J J " -Y P -YP

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Section: Space Chargo Capacitance Of An Abrupt Junctionsupporting

confidence: 90%

“…Using the above procedure for the case of the asymmetric step junction an expression for space charge capacitance, derived earlier by Kleinknecht [8] by intuitive reasoning, has been obtained which is in better agreement with experiment than the Schottky-Shockley formula.…”

Section: Discussionsupporting

confidence: 52%

The space charge capacitance of a p–n junction

Parrott

1974

Phys. Stat. Sol. (a)

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“….Finally, Kleinknecht (1967) derived a simple approximation to the spillover correction, which gave (11) which is a first-order approximation to Gummel's result. Kleinknecht further oompared his expression favourably to the experimental work of Muss, who had suggcstcd that the intercept did indeed vary only with weak-side majority concentration, but offered no theory.…”

Section: Introduction-previous Approachesmentioning

confidence: 86%

“…The problem of p-n junetion capacitance has been studied by a number of researchers, notably Schottky (1942), Shockley (1949), Schultz (1954, Harten ei al, (I %4), Muss (1955), Meyerhofer et al, (1962, Chang (U)(jO, 10(7), Gummel and Scharfetter (1067) and Kleinknecht (1967).…”

Section: Introduction-previous Approachesmentioning

confidence: 98%