Spatial Control over Stable Light‐Emission from AC‐Driven CMOS‐Compatible Quantum Mechanical Tunnel Junctions Article Swipe
Fangwei Wang
,
Thanh Xuan Hoang
,
Hong‐Son Chu
,
Christian A. Nijhuis
·
YOU?
·
· 2022
· Open Access
·
· DOI: https://doi.org/10.1002/lpor.202100419
YOU?
·
· 2022
· Open Access
·
· DOI: https://doi.org/10.1002/lpor.202100419
The potential application of quantum mechanical tunnel junctions as subdiffraction light or surface plasmon sources has been explored for decades, but it has been challenging to create devices with subwavelength spatial control over the light or plasmon excitation. This paper describes spatial control over the electrical excitation of surface‐plasmon polaritons (SPPs) and photons in large‐area junctions of the form of Al–AlO X –Cu complementary metal‐oxide‐semiconductor (CMOS)‐compatible tunnel junctions. Nanoscale spatial control (smallest feature sizes of 150 nm) is achieved by locally fine‐tuning the thickness of the AlO X tunneling barrier resulting in large local tunneling currents and associated SPP excitation rates. Mostly, plasmonic tunnel junctions are studied under DC operation with a relatively large bias (and associated currents) to observe light emission at optical frequencies. Large voltages risk device failure and reduce device lifetimes. Here it is demonstrated that the operational lifetime of AC‐driven plasmonic tunnel junctions is improved by a factor of three. Under DC conditions, slow processes that lead to device failure (e.g., undesirable electromigration leading to shorts) readily occur, thus limiting the device decay time to 9.2 h; but under AC operation, such processes are slow with respect to the voltage changes prolonging the decay time beyond 18.0 h.
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- Type
- article
- Language
- en
- Landing Page
- https://doi.org/10.1002/lpor.202100419
- https://onlinelibrary.wiley.com/doi/pdfdirect/10.1002/lpor.202100419
- OA Status
- hybrid
- Cited By
- 10
- References
- 55
- Related Works
- 10
- OpenAlex ID
- https://openalex.org/W4213259962
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Raw OpenAlex JSON
- OpenAlex ID
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https://openalex.org/W4213259962Canonical identifier for this work in OpenAlex
- DOI
-
https://doi.org/10.1002/lpor.202100419Digital Object Identifier
- Title
-
Spatial Control over Stable Light‐Emission from AC‐Driven CMOS‐Compatible Quantum Mechanical Tunnel JunctionsWork title
- Type
-
articleOpenAlex work type
- Language
-
enPrimary language
- Publication year
-
2022Year of publication
- Publication date
-
2022-02-20Full publication date if available
- Authors
-
Fangwei Wang, Thanh Xuan Hoang, Hong‐Son Chu, Christian A. NijhuisList of authors in order
- Landing page
-
https://doi.org/10.1002/lpor.202100419Publisher landing page
- PDF URL
-
https://onlinelibrary.wiley.com/doi/pdfdirect/10.1002/lpor.202100419Direct link to full text PDF
- Open access
-
YesWhether a free full text is available
- OA status
-
hybridOpen access status per OpenAlex
- OA URL
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https://onlinelibrary.wiley.com/doi/pdfdirect/10.1002/lpor.202100419Direct OA link when available
- Concepts
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Quantum tunnelling, Plasmon, Materials science, Optoelectronics, Tunnel junction, Surface plasmon polariton, Surface plasmon, Excitation, Electromigration, Light emission, Voltage, Nanoscopic scale, Nanotechnology, Physics, Composite material, Quantum mechanicsTop concepts (fields/topics) attached by OpenAlex
- Cited by
-
10Total citation count in OpenAlex
- Citations by year (recent)
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2025: 1, 2024: 5, 2023: 3, 2022: 1Per-year citation counts (last 5 years)
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55Number of works referenced by this work
- Related works (count)
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10Other works algorithmically related by OpenAlex
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