Nanoring: Difference between revisions
Content deleted Content added
KemistryKody (talk | contribs) Added overview and overhauled the introduction |
KemistryKody (talk | contribs) Added hyperlinks, citations, and grammatical corrections |
||
| Line 1: | Line 1: | ||
A '''nanoring''' is a cyclic [[nanostructure]] with a thickness small enough to be on the nanoscale (10<sup>-9</sup> meters). Note that this definition allows the diameter of the ring to be larger than the nanoscale. Researchers from the Institute of Physics and Center for Condensed Matter Physics synthesized nanorings of [[gallium nitride]] in 2001 |
A '''nanoring''' is a cyclic [[nanostructure]] with a thickness small enough to be on the [[Nanoscopic scale|nanoscale]] (10<sup>-9</sup> meters). Note that this definition allows the diameter of the ring to be larger than the nanoscale. Researchers from the Institute of Physics and Center for Condensed Matter Physics synthesized nanorings of [[gallium nitride]] in 2001. This is the first known synthesis of nanoring materials.<ref>{{Cite journal|last=Li|first=Z.J.|last2=Chen|first2=X.L.|last3=Li|first3=H.J.|last4=Tu|first4=Q.Y.|last5=Yang|first5=Z.|last6=Xu|first6=Y.P.|last7=Hu|first7=B.Q.|date=2001-05-01|title=Synthesis and Raman scattering of GaN nanorings, nanoribbons and nanowires|url=https://doi.org/10.1007/s003390100796|journal=Applied Physics A|language=en|volume=72|issue=5|pages=629–632|doi=10.1007/s003390100796|issn=1432-0630}}</ref> [[Zinc oxide]], a compound found commonly in nanostructures, was first synthesized into nanorings by researchers at [[Georgia Institute of Technology]] in 2004.<ref>{{cite journal|vauthors=Kong XY, Ding Y, Yang R, Wang ZL|date=February 2004|title=Single-crystal nanorings formed by epitaxial self-coiling of polar nanobelts|journal=Science|volume=303|issue=5662|pages=1348–51|bibcode=2004Sci...303.1348K|doi=10.1126/science.1092356|pmid=14988559}}</ref> |
||
== Overview == |
== Overview == |
||
Although nanorings may have a diameter within the nanoscale, many of these materials have diameters which are larger than 100nm with a majority of nanorings having a diameter laying on the [[Micrometre|microscale]] (10<sup>-6</sup> meters). Thus, nanorings are part of a sub-class of [[nanomaterials]] called one-dimensional (1-D) nanomaterials. These are nanomaterials in which one of the three physical dimensions in a [[Crystal structure|single unit]] of the material is on an order of magnitude greater than the nanoscale. Other examples of one-dimensional nanomaterials are [[Nanowire|nanowires]], nanobelts, [[Carbon nanotube|nanotubes]], and [[Nanosheet|nanosheets]]. |
|||
=== Mechanical Uniqueness === |
=== Mechanical Uniqueness === |
||
One-dimensional nanostructures have a variety of potential uses and applications but due to |
As with other nanomaterials, much of the practical interest in nanorings arises from the fact that in nanorings, one can often observe quantized phenomena which are ordinarily unobservable in bulk matter. Nanorings, in particular, have a few other properties which are of particular interest from a [[molecular engineering]] perspective. One-dimensional nanostructures have a variety of potential uses and applications but due to dimensions of their extended [[Crystal structure|crystal structures]], they cannot be grown on discrete crystal growth sites and thus, cannot be synthesized on a [[Substrate (materials science)|substrate]] with any crystallographic predictability.<ref>{{Cite journal|last=Drogat|first=Nicolas|last2=Granet|first2=Robert|last3=Sol|first3=Vincent|last4=Krausz|first4=Pierre|date=2009 December|title=One-Pot Silver Nanoring Synthesis|url=http://www.nanoscalereslett.com/content/5/3/566|journal=Nanoscale Research Letters|language=en|volume=5|issue=3|pages=566–569|doi=10.1007/s11671-009-9505-5|issn=1931-7573|pmc=PMC2894113|pmid=20672109|via=}}</ref> As such, these materials are much more useful if they can be easily manipulated by mechanical or magnetic forces; materials that can be manipulated more easily without breaking are naturally more useful. It has now been demonstrated that [[Zinc oxide|ZnO]] nanorings made from a single crystal have a great amount of flexibility and can be physically manipulated without breaking or fracturing.<ref>{{Cite journal|last=Hughes|first=William L.|last2=Wang|first2=Zhong L.|date=2005-01-19|title=Controlled synthesis and manipulation of ZnO nanorings and nanobows|url=https://aip.scitation.org/doi/10.1063/1.1853514|journal=Applied Physics Letters|volume=86|issue=4|pages=043106|doi=10.1063/1.1853514|issn=0003-6951}}</ref><ref>{{Cite journal|last=Wang|first=Zhong Lin|date=2009-04-03|title=ZnO nanowire and nanobelt platform for nanotechnology|url=http://www.sciencedirect.com/science/article/pii/S0927796X09000229|journal=Materials Science and Engineering: R: Reports|volume=64|issue=3|pages=33–71|doi=10.1016/j.mser.2009.02.001|issn=0927-796X}}</ref> |
||
== See also == |
== See also == |
||
| Line 12: | Line 12: | ||
==References== |
==References== |
||
{{reflist}} |
{{reflist}} |
||
==Further reading== |
|||
*{{cite journal |author = Wang, Z.L. |year = 2004 |title = Nanostructures of zinc oxide |journal = Materials Today |volume = 7 |issue = 6 |pages = 26–33 |doi = 10.1016/S1369-7021(04)00286-X}} |
|||
==External links== |
==External links== |
||
*[http://gtresearchnews.gatech.edu/newsrelease/nanorings.htm Nanorings: Seamless Circular Structures Could be Sensors, Resonators and Transducers for Nanoelectronics & Biotechnology] ([http://www.nanotechnology.com/news/?id=4318 alternative link]) |
*[http://gtresearchnews.gatech.edu/newsrelease/nanorings.htm Nanorings: Seamless Circular Structures Could be Sensors, Resonators and Transducers for Nanoelectronics & Biotechnology] ([http://www.nanotechnology.com/news/?id=4318 alternative link]) |
||
Revision as of 22:21, 18 November 2019
A nanoring is a cyclic nanostructure with a thickness small enough to be on the nanoscale (10-9 meters). Note that this definition allows the diameter of the ring to be larger than the nanoscale. Researchers from the Institute of Physics and Center for Condensed Matter Physics synthesized nanorings of gallium nitride in 2001. This is the first known synthesis of nanoring materials.[1] Zinc oxide, a compound found commonly in nanostructures, was first synthesized into nanorings by researchers at Georgia Institute of Technology in 2004.[2]
Overview
Although nanorings may have a diameter within the nanoscale, many of these materials have diameters which are larger than 100nm with a majority of nanorings having a diameter laying on the microscale (10-6 meters). Thus, nanorings are part of a sub-class of nanomaterials called one-dimensional (1-D) nanomaterials. These are nanomaterials in which one of the three physical dimensions in a single unit of the material is on an order of magnitude greater than the nanoscale. Other examples of one-dimensional nanomaterials are nanowires, nanobelts, nanotubes, and nanosheets.
Mechanical Uniqueness
As with other nanomaterials, much of the practical interest in nanorings arises from the fact that in nanorings, one can often observe quantized phenomena which are ordinarily unobservable in bulk matter. Nanorings, in particular, have a few other properties which are of particular interest from a molecular engineering perspective. One-dimensional nanostructures have a variety of potential uses and applications but due to dimensions of their extended crystal structures, they cannot be grown on discrete crystal growth sites and thus, cannot be synthesized on a substrate with any crystallographic predictability.[3] As such, these materials are much more useful if they can be easily manipulated by mechanical or magnetic forces; materials that can be manipulated more easily without breaking are naturally more useful. It has now been demonstrated that ZnO nanorings made from a single crystal have a great amount of flexibility and can be physically manipulated without breaking or fracturing.[4][5]
See also
References
- ^ Li, Z.J.; Chen, X.L.; Li, H.J.; Tu, Q.Y.; Yang, Z.; Xu, Y.P.; Hu, B.Q. (2001-05-01). "Synthesis and Raman scattering of GaN nanorings, nanoribbons and nanowires". Applied Physics A. 72 (5): 629–632. doi:10.1007/s003390100796. ISSN 1432-0630.
- ^ Kong XY, Ding Y, Yang R, Wang ZL (February 2004). "Single-crystal nanorings formed by epitaxial self-coiling of polar nanobelts". Science. 303 (5662): 1348–51. Bibcode:2004Sci...303.1348K. doi:10.1126/science.1092356. PMID 14988559.
- ^ Drogat, Nicolas; Granet, Robert; Sol, Vincent; Krausz, Pierre (2009 December). "One-Pot Silver Nanoring Synthesis". Nanoscale Research Letters. 5 (3): 566–569. doi:10.1007/s11671-009-9505-5. ISSN 1931-7573. PMC 2894113. PMID 20672109.
{{cite journal}}: Check date values in:|date=(help)CS1 maint: PMC format (link) - ^ Hughes, William L.; Wang, Zhong L. (2005-01-19). "Controlled synthesis and manipulation of ZnO nanorings and nanobows". Applied Physics Letters. 86 (4): 043106. doi:10.1063/1.1853514. ISSN 0003-6951.
- ^ Wang, Zhong Lin (2009-04-03). "ZnO nanowire and nanobelt platform for nanotechnology". Materials Science and Engineering: R: Reports. 64 (3): 33–71. doi:10.1016/j.mser.2009.02.001. ISSN 0927-796X.
External links
- Nanorings: Seamless Circular Structures Could be Sensors, Resonators and Transducers for Nanoelectronics & Biotechnology (alternative link)
 | This chemistry-related article is a stub. You can help Wikipedia by expanding it. |