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309:- nanostructures that change states in order to transform energy, information, and/or to perform useful functions. There is some debate about whether or not state-of-the art integrated circuits qualify here, since they operate despite emergent nanoscale properties, not because of them. Therefore, the argument goes, they don't qualify as "novel" nanoscale properties, even though the devices themselves are between one and a hundred nanometers.
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4. Systems of nanosystems/Productive nanosystems - these will be complex nanosystems that produce atomically precise parts for other nanosystems, not necessarily using novel nanoscale-emergent properties, but well-understood fundamentals of manufacturing. Because of the discrete (i.e. atomic) nature
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control, i.e., performing atomically precise manufacturing. As of 2015, such devices were only hypothetical, and productive nanosystems represented a more advanced approach among several to perform
Atomically Precise Manufacturing. A workshop on Integrated Nanosystems for Atomically Precise
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Principles of physics and examples from nature both suggest that it will be possible to extend atomically precise fabrication to more complex products of larger size, involving a wider range of materials. An example of progress in this direction would be
Christian Schafmeister's work on
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of matter and the possibility of exponential growth, this stage is seen as the basis of another industrial revolution. There are currently many different approaches to building productive nanosystems: including top-down approaches like
Patterned
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1. Passive nanostructures - nanoparticles and nanotubes that provide added strength, electrical and thermal conductivity, toughness, hydrophilic/phobic and/or other properties that emerge from their nanoscale structure.
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A fifth step, info/bio/nano convergence, was added later by Roco. This is the convergence of the three most revolutionary technologies, since every living thing is made up of atoms and information.
278:, or to perform hydrogen depassivation lithography. But it is not yet possible to combine components in a systematic way to build larger, more complex systems.
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Present-day technologies are limited in various ways. Large atomically precise structures (that is, virtually defect-free) do not exist.
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405:"Integrated Nanosystems for Atomically Precise Manufacturing Workshop – August 5-6, 2015 | Department of Energy"
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429:"Single-Bond Formation and Characterization with a Scanning Tunneling Microscope | Researchgate"
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453:"Atomically Precise Manufacturing: The Opportunity, Challenges, and Impact| Researchgate"
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Please help update this article to reflect recent events or newly available information.
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nanoscale structures exist in the form of folded linear molecules such as
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388:"Technology Roadmap for Productive Nanosystems"
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339:. There are also bottom-up approaches like
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182:Technology portal
457:www.researchgate.com
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330:atomic layer epitaxy
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347:Synthesis.
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341:DNA Origami
312:3. Complex
307:nanodevices
296:Mihail Roco
276:Triangulene
264:DNA origami
235:-specified
485:2024-01-17
462:2018-07-16
438:2018-07-11
414:2018-06-05
374:References
334:Diamondoid
324:also fit.
305:2. Active
237:structures
233:atomically
231:that make
220:In 2007,
294:In 2005,
252:in 2015.
226:nanoscale
109:Molecular
45:talk page
37:splitting
589:Category
494:cite web
364:Ribosome
354:See also
268:proteins
53:May 2019
257:Complex
241:devices
229:systems
79:updated
243:under
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318:Zettl
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