Top-Down Fabrication of Fully CMOS-Compatible Silicon Nanowire Arrays and Their Integration into CMOS Inverters on Plastic
- Authors
- Lee, Myeongwon; Jeon, Youngin; Moon, Taeho; Kim, Sangsig
- Issue Date
- 4월-2011
- Publisher
- AMER CHEMICAL SOC
- Keywords
- silicon nanowire; CMOS compatibility; ion implantation; field-effect transistor; CMOS inverter; plastic
- Citation
- ACS NANO, v.5, no.4, pp.2629 - 2636
- Indexed
- SCIE
SCOPUS
- Journal Title
- ACS NANO
- Volume
- 5
- Number
- 4
- Start Page
- 2629
- End Page
- 2636
- URI
- https://scholar.korea.ac.kr/handle/2021.sw.korea/112714
- DOI
- 10.1021/nn102594d
- ISSN
- 1936-0851
- Abstract
- A route to the top-down fabrication of highly ordered and aligned silicon nanowire (SiNW) arrays with degenerately doped source/drain regions from a bulk Si wafer Is presented. In this approach, freestanding n- and p-SiNWs with an Inverted triangular cross section are obtained using conventional photolithography, crystal orientation dependent wet etching, size reduction oxidation, and ion implantation doping. Based on these n- and p-SiNWs transferred onto a plastic substrate, simple SiNW-based complementary metal-oxide-semiconductor (CMOS) inverters are constructed for the possible applications of these SiNW arrays in integrated circuits on plastic. The static voltage transfer characteristic of the SiNW-based CMOS inverter, exhibits a voltage gain of similar to 9 V/V and a transition of 0.32 Vat an operating voltage of 1.5 V with a full output voltage swing between 0 V and V-DD, and its mechanical bendability Indicates good fatigue properties for potential applications of flexible electronics. This novel top-down approach is fully compatible with the current state-of-the-art Si-based CMOS technologies and, therefore, offers greater flexibility in device design for both high-performance and low-power functionality.
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