2022
DOI: 10.3390/nano12203712
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Threshold Voltage Adjustment by Varying Ge Content in SiGe p-Channel for Single Metal Shared Gate Complementary FET (CFET)

Abstract: We have demonstrated the method of threshold voltage (VT) adjustment by controlling Ge content in the SiGe p-channel of N1 complementary field-effect transistor (CFET) for conquering the work function metal (WFM) filling issue on highly scaled MOSFET. Single WFM shared gate N1 CFET was used to study and emphasize the VT tunability of the proposed Ge content method. The result reveals that the Ge mole fraction influences VTP of 5 mV/Ge%, and a close result can also be obtained from the energy band configuration… Show more

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Cited by 3 publications
(1 citation statement)
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“…Because of their robust control over SCEs, bulk, and Silicon-On-Insulator (SOI) FinFETs emerged as promising substitutes for planar MOSFETs during the transition to sub-22-nm technology around 2012 [16]. In spite of this, FinFETs encountered performance limitations as semiconductor technology advanced to nodes smaller than 5-nm [17][18][19]. They became susceptible to SCEs and reliability issues, compounded by fabrication challenges associated with further scaling.…”
Section: Introductionmentioning
confidence: 99%
“…Because of their robust control over SCEs, bulk, and Silicon-On-Insulator (SOI) FinFETs emerged as promising substitutes for planar MOSFETs during the transition to sub-22-nm technology around 2012 [16]. In spite of this, FinFETs encountered performance limitations as semiconductor technology advanced to nodes smaller than 5-nm [17][18][19]. They became susceptible to SCEs and reliability issues, compounded by fabrication challenges associated with further scaling.…”
Section: Introductionmentioning
confidence: 99%