PMID- 36296740 OWN - NLM STAT- PubMed-not-MEDLINE LR - 20221030 IS - 2079-4991 (Print) IS - 2079-4991 (Electronic) IS - 2079-4991 (Linking) VI - 12 IP - 20 DP - 2022 Oct 11 TI - Challenges for Nanoscale CMOS Logic Based on Two-Dimensional Materials. LID - 10.3390/nano12203548 [doi] LID - 3548 AB - For ultra-scaled technology nodes at channel lengths below 12 nm, two-dimensional (2D) materials are a potential replacement for silicon since even atomically thin 2D semiconductors can maintain sizable mobilities and provide enhanced gate control in a stacked channel nanosheet transistor geometry. While theoretical projections and available experimental prototypes indicate great potential for 2D field effect transistors (FETs), several major challenges must be solved to realize CMOS logic circuits based on 2D materials at the wafer scale. This review discusses the most critical issues and benchmarks against the targets outlined for the 0.7 nm node in the International Roadmap for Devices and Systems scheduled for 2034. These issues are grouped into four areas; device scaling, the formation of low-resistive contacts to 2D semiconductors, gate stack design, and wafer-scale process integration. Here, we summarize recent developments in these areas and identify the most important future research questions which will have to be solved to allow for industrial adaptation of the 2D technology. FAU - Knobloch, Theresia AU - Knobloch T AUID- ORCID: 0000-0001-5156-9510 AD - Institute for Microelectronics, TU Wien, Gusshausstrasse 27-29/E360, 1040 Vienna, Austria. FAU - Selberherr, Siegfried AU - Selberherr S AUID- ORCID: 0000-0002-5583-6177 AD - Institute for Microelectronics, TU Wien, Gusshausstrasse 27-29/E360, 1040 Vienna, Austria. FAU - Grasser, Tibor AU - Grasser T AUID- ORCID: 0000-0001-6536-2238 AD - Institute for Microelectronics, TU Wien, Gusshausstrasse 27-29/E360, 1040 Vienna, Austria. LA - eng GR - I5296-N/FWF Austrian Science Fund/ GR - I4123-N30/FWF Austrian Science Fund/ GR - I2606-N30/FWF Austrian Science Fund/ PT - Journal Article PT - Review DEP - 20221011 PL - Switzerland TA - Nanomaterials (Basel) JT - Nanomaterials (Basel, Switzerland) JID - 101610216 PMC - PMC9609734 OTO - NOTNLM OT - 2D materials OT - CMOS logic OT - Schottky barriers OT - charge traps OT - contact resistances OT - field effect transistors OT - nanoscale devices OT - nanosheet FET OT - process integration OT - van der Waals interfaces COIS- The authors declare no conflict of interest. EDAT- 2022/10/28 06:00 MHDA- 2022/10/28 06:01 PMCR- 2022/10/11 CRDT- 2022/10/27 01:46 PHST- 2022/09/01 00:00 [received] PHST- 2022/09/30 00:00 [revised] PHST- 2022/10/03 00:00 [accepted] PHST- 2022/10/27 01:46 [entrez] PHST- 2022/10/28 06:00 [pubmed] PHST- 2022/10/28 06:01 [medline] PHST- 2022/10/11 00:00 [pmc-release] AID - nano12203548 [pii] AID - nanomaterials-12-03548 [pii] AID - 10.3390/nano12203548 [doi] PST - epublish SO - Nanomaterials (Basel). 2022 Oct 11;12(20):3548. doi: 10.3390/nano12203548.