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Publication
Applied Physics Letters
Paper
SiGe-on-insulator prepared by wafer bonding and layer transfer for high-performance field-effect transistors
Abstract
SiGe-on-insulator material was fabricated by wafer bonding and hydrogen-induced layer transfer techniques. The transferred SiGe layer is strain relaxed and has a Ge content ranging from 15% to 25%. High-quality strained Si layers were grown on the SiGe-on-insulator substrates by the UHV/ chemical vapor deposition process at 550 °C. An electron mobility of 40 000cm2/Vs in a modulation-doped Si/SiGe heterostructure was achieved at 30 K on a SiGe-on-insulator substrate. © 2001 American Institute of Physics.