Gate-All-Around MOSFETs based on Vertically Stacked Horizontal Si Nanowires in a Replacement Metal Gate Process on Bulk Si Substrates

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作者
Mertens, H. [1 ]
Ritzenthaler, R. [1 ]
Hikavyy, A. [1 ]
Kim, M. S. [1 ]
Tao, Z. [1 ]
Wostyn, K. [1 ]
Chew, S. A. [1 ]
De Keersgieter, A. [1 ]
Mannaert, G. [1 ]
Rosseel, E. [1 ]
Schram, T. [1 ]
Devriendt, K. [1 ]
Tsvetanova, D. [1 ]
Dekkers, H. [1 ]
Demuynck, S. [1 ]
Chasin, A. [1 ]
Van Besien, E. [1 ]
Dangol, A. [1 ]
Godny, S. [1 ]
Douhard, B. [1 ]
Bosman, N. [1 ]
Richard, O. [1 ]
Geypen, J. [1 ]
Bender, H. [1 ]
Barla, K. [1 ]
Mocuta, D. [1 ]
Horiguchi, N. [1 ]
Thean, A. V-Y [1 ]
机构
[1] Imec, Kapeldreef 75, B-3001 Leuven, Belgium
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中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
We report on gate-all-around (GAA) n- and p-MOSFETs made of 8-nm-diameter vertically stacked horizontal Si nanowires (NWs). We show that these devices, which were fabricated on bulk Si substrates using an industry-relevant replacement metal gate (RMG) process, have excellent short-channel characteristics (SS = 65 mV/dec, DIBL = 42 mV/V for L-G = 24 nm) at performance levels comparable to finFET reference devices. The parasitic channels below the Si NWs were effectively suppressed by ground plane (GP) engineering.
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