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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Ostrikov, K. |
| Copyright Year | 2006 |
| Description | Author affiliation: Sch. of Phys., Sydney Univ., NSW (Ostrikov, K.) |
| Abstract | Summary form only given. Plasma nanoscience is an emerging research area at the cutting edge of the physics of plasmas and gas discharges, nanoscience and nanotechnology, materials science and engineering, and structural chemistry. The existing approaches to fabricating exotic nanostructures and functional nanofilms are mostly process-specific and suffer from cost-inefficient "trial and error" practices. One of the reasons is that the ability to control the generation, transport, deposition, and structural incorporation of the building units of such films and structures, still remains elusive. On the other hand, the pioneering concept of deterministic plasma nanoscience is treated with extreme caution due to inherent chaotic nature of the plasma at the microscopic level. This contribution shows how to challenge one of the previously intractable problems of bridging nine orders of magnitude between the sizes of plasma nanofabrication facilities (~0.5 m) and self-organization of adsorbed building units on solid surfaces (~0.2 nm). One of the possibilities is to manipulate the ionic building blocks in the non-neutral layer of space charge that separates the plasma and solid surfaces and control self-organization of nanostructure building blocks on plasma-exposed surfaces and their insertion into the nanoassemblies. The results of advanced computer simulation allow one to obtain the microscopic topology of ion fluxes in the vicinity of selected functional nanostructures and the arrangement of adsorbed species into nanopatterns on solid surfaces. These results are linked, via the sheath parameters, to the building unit densities and energies in the plasma bulk and eventually to the process control parameters. On the other hand, the desired nanoassemblies can be engineered by using atomistic ab initio density functional theory approaches. Recent experimental and computational results obtained within the International Research Network for Deterministic Plasma-Aided Nanofabrication suggest the possibility of deterministic synthesis of conical nanotip structures for electron microemitter arrays, and are discussed in this talk. Finally, this talk reveals how the Nature's mastery works in the self-assembly of nanometre-sized particles in the Universe and of exotic nanoassemblies in laboratory plasmas |
| Sponsorship | Plasma Sci. and Applications Comm. IEEE Nuclear and Plasma Sci. Soc |
| Starting Page | 427 |
| Ending Page | 427 |
| File Size | 190947 |
| Page Count | 1 |
| File Format | |
| ISBN | 1424401259 |
| DOI | 10.1109/PLASMA.2006.1707300 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2006-06-04 |
| Publisher Place | USA |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Nanofabrication Plasma chemistry Plasma materials processing Nanostructures Plasma transport processes Solids Plasma simulation Nuclear and plasma sciences Microscopy Plasma sheaths |
| Content Type | Text |
| Resource Type | Article |
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