WCM 2005
WCM 2005
Technical Proceedings of the 2005 Workshop on Compact Modeling

Poster Papers Chapter 2

Device Parameter Extraction from Fabricated Double-Gate MOSFETs

Authors: T. Tsutsumi, Y. Liu, T. Nakagawa, T. Sekigawa, M. Hioki, E. Suzuki and H. Koike

Affilation: National Institute of Advanced Industrial Science and Technology (AIST), Japan

Pages: 187 - 190

Keywords: device parameter extraction, Double-Gate MOSFETs

Accurate spice simulation needs parameter extraction of the fabricated DG-MOSFETs with good electrical characteristics. However, it is very difficult to fabricate such good DG-MOSFETs, so that device parameter extraction of the fabricated DG-MOSFETs has been not reported yet. Our group already successfully fabricated the enough ideal Fin-type DG-MOSFETs to extract device parameters. Then, we have successfully extracted prime device parameters of the fabricated 105-nm DG-MOSFETs by giving close agreement between measurement and simulation data. Such device parameter values have obtained with accuracy using conventional MOSFETs' mobility model. It shows that device simulation for such fabricated-size DG-MOSFETs has precision for practical use, without new mobility model for DG-MOSFETs. We have also demonstrated that channel tail profiles of the source and drain dopant of DG-MOSFETs are very important and essential device parameter. Simulation data at all gate voltages to agree with measurement data of the electrical characteristics are never obtained even with any device parameter value. By appropriately giving tail profiles of source and drain as device parameters, the simulation data give closer agreement with the measurement data.

Device Parameter Extraction from Fabricated Double-Gate MOSFETs

ISBN: 0-9767985-3-0
Pages: 412