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Two-dimensional modelling of HEMTs using multigrids with quantum correction

Cole, EAB, Boettcher, T and Snowden, CM (1998) Two-dimensional modelling of HEMTs using multigrids with quantum correction VLSI Design, 8 (1-4). pp. 29-34.

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Abstract

The two-dimensional multi-layered HEMT is modelled iscthermally by solving the Poisson and current continuity equations consistently with the Schrödinger equation. A multigrid method is used on the Poisson and current continuity equations while the electron density is calculated at each level by solving the Schrödinger equation in one-dimensional slices perpendicular to the layer structure. A correction factor is introduced which enables relatively accurate solutions to be obtained using a low number of eigensolutions. A novel method for discretising the current density which can be generalised to the non-isothermal case is described. Results are illustrated using a two layer AlGaAs-GaAs HEMT.

Item Type: Article
Authors :
NameEmailORCID
Cole, EABUNSPECIFIEDUNSPECIFIED
Boettcher, TUNSPECIFIEDUNSPECIFIED
Snowden, CMc.snowden@surrey.ac.ukUNSPECIFIED
Date : 1 December 1998
Depositing User : Symplectic Elements
Date Deposited : 16 May 2017 12:32
Last Modified : 16 May 2017 12:32
URI: http://epubs.surrey.ac.uk/id/eprint/814244

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