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An Improved Bandgap Narrowing Model Based on Corrected Intrinsic Carrier Concentration

Naoyuki SHIGYO, Noritoshi KONISHI, Hideki SATAKE

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Summary :

We present a new apparent bandgap narrowing model for semiconductor device simulation. The new model is derived from revised data of previous measurements on the apparent bandgap narrowing by using a corrected intrinsic carrier concentration. The revised values reveal sufficient agreement with our theoretical calculation. The new model is implemented in a triangular mesh device simulator TRIMEDES. Simulated BJT current-voltage and current-temperature characteristics using the proposed model reveal excellent agreement with measurements.

Publication
IEICE TRANSACTIONS on Electronics Vol.E75-C No.2 pp.156-160
Publication Date
1992/02/25
Publicized
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DOI
Type of Manuscript
Special Section PAPER (Special Issue on Selected Papers from '91 VPAD)
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