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For the first time, high-resolution carrier imaging has been carried out on (110)/(100) pFETs and nFETs with scanning spreading resistance microscopy (SSRM). The S/D of (110) pFETs shows less lateral distribution than that of (100), strongly indicating 2D-channeling effect of boron I/I. Direct evidence has been shown that As out-diffusion under NiSi made conductive paths that degrade junction leakage...
We present the systematic study on dominant factors of the performance of scaled (110) n/pFETs. STI stress effects and velocity saturation phenomena in narrow and short (110) devices are investigated for the first time. Idsat of scaled (110) nFETs approaches (100) nFETs as a result of mu increase due to transverse compressive stress from STI in (110) nFETs and strong velocity saturation in (100) nFETs...
We demonstrate midgap and band-edge effective workfunctions (EWFs) control with simple metal gate process scheme (singlemetalgate/singlegatedielectric), using impurity-segregated NiSi2/SiON structure for embedded memory application. The application of midgap and band-edge EWF enables us to lower power consumption in SRAM and logic devices by 30% and 15% compared to poly-Si devices, respectively,...
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