μMAX Enhanced 190% of a Strained NMOS Based on SiGe Virtual Substrate

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Abstract:

Based on SiGe virtual substrate technology, a high-performance strained NMOS is obtained. By growing 2~3μm SiGe relaxed layer, 100~200nm strained SiGe layer and 20nm strained silicon layer, and also forming a P-well by multiple implantation technology, a surface strained NMOS is fabricated. Finally, Measured results shown that drain-source current and the low field maximal mobility of the strained NMOS are enhancement of up to 190% at Vgs=3.5V, which is almost three times to the value of common Silicon NMOS and is also better than the 170% reported in public.

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Periodical:

Advanced Materials Research (Volumes 756-759)

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154-157

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Online since:

September 2013

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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