From Relaxed GeSi Buffers to Field Effect Transistors: Current Status and Future Prospects

Abstract
We review the current status of relaxed GeSi buffer layers, high-mobility two-dimensional electron and hole gases fabricated on top of these layers, and GeSi-based field effect transistors (FETs). Recent progress in these fields is emphasized. A brief summary is then given for a variety of GeSi-based FET fabrications to date. Finally, the future prospects of GeSi-based FETs to be integrated into Si VLSI production is discussed.

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