Tailored one-dimensional/two-dimensional van der Waals heterostructures for unified analog and digital electronics
The platform based on mixed-dimensional van der Waals heterostructures is promising for compact, energy-efficient analog and digital electronics on a single substrate. Hurdles include an incomplete understanding of charge behavior at atomically thin junctions, and technical difficulties in fabricating scalable, defect-free interfaces. This study overcomes those barriers via a two-step growth strategy and detailed transport measurements, revealing a nanometer-scale depletion region and gate-tunable diode characteristics. Individual Te and MoS${}_{2}$ regions can function as high-performance $p\ensuremath{-}$ and $n\ensuremath{-}$type FETs, respectively, enabling complete CMOS logic operations on the same chip.
Authors
- Soumik Das (ORCID: https://orcid.org/0000-0002-7946-0637)
- Subhadeep Datta (ORCID: https://orcid.org/0000-0002-2611-954X)
- Saptarshi Mandal
- Tanima Kundu (ORCID: https://orcid.org/0009-0005-4854-6111)
- Bikash Das (ORCID: https://orcid.org/0000-0001-5985-7584)
- Kapildeb Dolui (ORCID: https://orcid.org/0000-0003-0576-0941)
- Rahul Paramanik (ORCID: https://orcid.org/0009-0002-6688-9335)
- Mainak Palit (ORCID: https://orcid.org/0000-0002-6021-1323)
- K. Dey (ORCID: https://orcid.org/0000-0002-4825-1293)
- Sujan Maity (ORCID: https://orcid.org/0000-0002-1128-5967)
- Bipul Karmakar
Institutions
- Indian Association for the Cultivation of Science (IN)
- University of Cambridge (GB)
- CE Technologies (United Kingdom) (GB)
Publication Details
- Journal
- Physical Review Applied
- Published
- 2025-05-06
- DOI
- https://doi.org/10.1103/physrevapplied.23.054013
- Citations
- 2
- Primary Topic
- 2D Materials and Applications
- Type
- article
- Field-Weighted Citation Impact
- 1.04