Abstract
Polycrystalline (poly-SiGe) is a known gate electrode material that can mitigate poly-depletion effects, which exist in deep submicrometer complementary metal-oxide-semiconductor (CMOS) transistors, due to its lower dopant activation temperatures and smaller bandgaps. As an important step toward the manufacturing of poly-SiGe electrode-based CMOS transistors with enhanced performances, this study focuses on the deposition of poly-SiGe films with different structural features and the characterization of the physical properties of these films. The electrical performance and the reduction in poly-depletion effects of the poly-SiGe electrodes in capacitors fabricated using these films were verified using capacitance-voltage measurements. © 2004 The Electrochemical Society. All rights reserved.
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