Nanorings – Future of fast Computing
11 March 2007Nanorings, the circular structures are made up of fine nanobelts. These nanobelts are rolled up layer by layer to form a coils having up to 100 loops. Researchers at Georgia Institute of Technology made the first nanoring by spontaneous self-coiling process. The ring has a typical diameter in the range of one to four microns and is around 10 to 30 micron thick.
Mr. Wang and hiss associates at Georgia took a mixture of zinc oxide, indium oxide and lithium carbonate in the ratio of 20:1:1 and heated it at 1400 degree Celsius under a flow of argon gas. Wang has first produced nanoring in the year 2001 with a thickness of 15 nanometer. According to the scientists, the lithium and the indium material facilitate the growth by creating planar defects in zinc oxide nanobelts.
These circular structures could be used as sensors, resonators and transducers for nanoelectronics and biotechnology. Nanoring based on single crystals of zinc oxide could find applications in semiconducting and piezoelectric materials. Researchers at John Hopkins University has discovered that irregularly shaped nickel cobalt rings could serve as memory cells. Researchers at John Hopkins University states that the nanorings could be used for creating a coin sized hard drives of computers. The advantage of these hard drives will be the faster operating speed and low consumption of energy.
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