High Mobility and Quantum Well Transistors: Design and TCAD Simulation by Geert HellingsHigh Mobility and Quantum Well Transistors: Design and TCAD Simulation by Geert Hellings

High Mobility and Quantum Well Transistors: Design and TCAD Simulation

byGeert Hellings, Kristin De Meyer

Hardcover | April 9, 2013

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For many decades, the semiconductor industry has miniaturized transistors, delivering increased computing power to consumers at decreased cost. However, mere transistor downsizing does no longer provide the same improvements. One interesting option to further improve transistor characteristics is to use high mobility materials such as germanium and III-V materials. However, transistors have to be redesigned in order to fully benefit from these alternative materials.

High Mobility and Quantum Well Transistors: Design and TCAD Simulation investigates planar bulk Germanium pFET technology in chapters 2-4, focusing on both the fabrication of such a technology and on the process and electrical TCAD simulation. Furthermore, this book shows that Quantum Well based transistors can leverage the benefits of these alternative materials, since they confine the charge carriers to the high-mobility material using a heterostructure. The design and fabrication of one particular transistor structure - the SiGe Implant-Free Quantum Well pFET - is discussed. Electrical testing shows remarkable short-channel performance and prototypes are found to be competitive with a state-of-the-art planar strained-silicon technology. High mobility channels, providing high drive current, and heterostructure confinement, providing good short-channel control, make a promising combination for future technology nodes.
Geert Hellings received the B.S. and M.S. degrees in Electrical Engineering from the KU Leuven, Belgium, in 2007. His master thesis was on III-nitride-based UV detectors for space applications. He obtained the PhD degree from the Electrical Engineering Department (ESAT), Integrated Systems Division (INSYS) at the University of Leuven, ...
Title:High Mobility and Quantum Well Transistors: Design and TCAD SimulationFormat:HardcoverDimensions:140 pagesPublished:April 9, 2013Publisher:Springer-Verlag/Sci-Tech/TradeLanguage:English

The following ISBNs are associated with this title:

ISBN - 10:9400763395

ISBN - 13:9789400763395

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Table of Contents

List of Abbreviations and Symbols.

1 Introduction. 1.1 Transistor Scaling. 1.2 What's Next? (2010 - ...). 1.3 Goals of the Book. 1.4 Organization of the Book.

2 S/D Junctions in Ge: experimental. 2.1 Introduction. 2.2 P-type Junctions. 2.3 N-Type Junctions. 2.4 Benchmarking. 2.5 Summary and Conclusions.

3 TCAD Simulation and Modeling of Ion Implants in Germanium. 3.1 Introduction. 3.2 Ion Implant into Germanium - Monte Carlo Simulations. 3.3 Ion Implant into Germanium - Analytical Description. 3.4 Application to a 70 nm Bulk Ge pFET Technology. 3.5 Summary and Conclusions.

4 Electrical TCAD Simulations and Modeling in Germanium. 4.1 Introduction. 4.2 TCAD Models for a Germanium pMOSFET technology. 4.3 Electrical TCAD simulations - 65 nm Ge pMOSFET Technology. 4.4 Impact of Interface Traps MOS Performance. 4.5 Summary and Conclusions.

5 Investigation of Quantum Well Transistors for Scaled Technologies. 5.1 Introduction. 5.2 Motivation - Scalability Issues in Bulk MOSFET Technologies. 5.3 Towards A Scalable Transistor Architecture. 5.4 High Electron Mobility Transistors: an Alternative Approach. 5.5 Operation of Heterostructure Transistors: Analytical Description. 5.6 Conclusions.

6 Implant-Free Quantum Well FETs: Experimental investigation. 6.1 Introduction. 6.2 First-Generation SiGe Implant-Free Quantum Well pFET. 6.3 Enhancing Performance in SiGe IFQW pFETs. 6.4 Second-generation Strained SiGe IFQW pFETs. 6.5 Matching Performance and VT -Tuning in IFQW pFETs. 6.6 SiGe Quantum Well Diffusion Study. 6.7 Conclusions.

7 Conclusions Future Work and Outlook. 7.1 Conclusions. 7.2 Future Work and Outlook.

Bibliography. List of Publications.