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Nanotechnology. 2009 Feb 11;20(6):065202. doi: 10.1088/0957-4484/20/6/065202. Epub 2009 Jan 14.

Single-electron effects in non-overlapped multiple-gate silicon-on-insulator metal-oxide-semiconductor field-effect transistors.

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  • 1Department of Electronics Engineering, National Chiao Tung University, Hsinchu City, Taiwan, Republic of China.

Abstract

This paper systematically presents controlled single-electron effects in multiple-gate silicon-on-insulator (SOI) metal-oxide-semiconductor field-effect transistors (MOSFETs) with various gate lengths, fin widths, gate bias and temperature. Our study indicates that using the non-overlapped gate to source/drain structure as an approach to the single-electron transistor (SET) in MOSFETs is promising. Combining the advantage of gate control and the constriction of high source/drain resistances, single-electron effects are further enhanced using the multiple-gate architecture. From the presented results, downsizing multiple-gate SOI MOSFETs is needed for future room-temperature SET applications. Besides, the tunnel barriers and access resistances may need to be further optimized. Since the Coulomb blockade oscillation can be achieved in state-of-the-art complementary metal-oxide-semiconductor (CMOS) devices, it is beneficial to build SETs in low-power CMOS circuits for ultra-high-density purposes.

PMID:
19417374
[PubMed]
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