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Fabrication of repr...
Fabrication of reproducible sub-5 nm nanogaps by a focused ion beam and observation of Fowler-Nordheim tunneling
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- Li, Hu (författare)
- Uppsala universitet,Tillämpad materialvetenskap
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- Wani, Ishtiaq Hassan (författare)
- Uppsala universitet,Tillämpad materialvetenskap
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- Hayat, Aqib (författare)
- Uppsala universitet,Tillämpad materialvetenskap
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- Jafri, S. Hassan M. (författare)
- Uppsala universitet,Tillämpad materialvetenskap,Mirpur Univ Sci & Technol, Dept Elect Engn, Mirpur 10250, Azad Kashmir, Pakistan.
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Leifer, Klaus (författare)
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(creator_code:org_t)
- AIP Publishing, 2015
- 2015
- Engelska.
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Ingår i: Applied Physics Letters. - : AIP Publishing. - 0003-6951 .- 1077-3118. ; 107:10
- Relaterad länk:
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https://uu.diva-port... (primary) (Raw object)
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http://uu.diva-porta...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Creating a stable high resistance sub-5 nm nanogap in between conductive electrodes is one of the major challenges in the device fabrication of nano-objects. Gap-sizes of 20 nm and above can be fabricated reproducibly by the precise focusing of the ion beam and careful milling of the metallic lines. Here, by tuning ion dosages starting from 4.6 x 10(10) ions/cm and above, reproducible nanogaps with sub-5 nm sizes are milled with focused ion beam. The resistance as a function of gap dimension shows an exponential behavior, and Fowler-Nordheim tunneling effect was observed in nanoelectrodes with sub-5 nm nanogaps. The application of Simmon's model to the milled nanogaps and the electrical analysis indicates that the minimum nanogap size approaches to 2.3 nm.
Ämnesord
- NATURVETENSKAP -- Fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Annan teknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Other Engineering and Technologies (hsv//eng)
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- ref (ämneskategori)
- art (ämneskategori)
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