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Heteroepitaxy SiGe on Si by liquid phase epitaxy (LPE) is a potential material for photovoltaic application. The Si0.05Ge0.95 solar cell with an energy gap of 0.72 eV can lead to a 7 percentage point increase in the Si-based multi-bandgap system or any multi-bandgap system that contains Si as the 1.1 eV solar cell. In this initial work we report first growth SixGe1-x with 0.5<x<1 on Si substrate...
The third generation of NXP 0.25 mum SiGe BiCMOS technology (QUBiC4Xi) is presented. The NPN has fT/fmax of 216/177 GHz and BVcb0 of 5.2 V. The high-voltage NPN has 12 V BVcb0, and fT/fmax of 80/162 GHz. This is complemented with an improved MIM capacitor with 1THz cutoff frequency and new on-chip isolation structures that demonstrate a record |S12| of -60 dB at 10 GHz.
Demonstration of high-performance MOS thin-film transistors (TFTs) on elastically strain-sharing single-crystal Si/SiGe/Si nanomembranes (SiNMs) that are transferred to foreign substrates is reported. The transferable SiNMs are realized by first growing pseudomorphic SiGe and Si layers on silicon-on-insulator (SOI) substrates, and then, selectively removing the buried oxide (BOX) layer from the SOI...
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