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#Researchers generate tiny images that contain over 300 colors A scheme for greatly increasing the number of colors that can be produced by arrays of tiny aluminum nanodisks has been demonstrated by A*STAR scientists.
In these arrays each pixel was an 800-nanometer-long square containing four aluminum nanodisks.
Consequently by varying the diameter of the four aluminum nanodisks in a pixel (all four nanodisks having the same diameter) the scientists were able to produce about 15 distinct colors#a good start
By allowing two pairs of diametrically opposite nanodisks to have different diameters from each other then varying the two diameters enabled them to increase this number to over 100.
Finally they generated over 300 colors by varying both the nanodisk diameter (but keeping all four diameters within a pixel the same) and the spacing between adjacent nanodisks in a pixel (see image).
This method is analogous to half-toning used in ink-based printing and results in a broad color gamut comments Yang.
nanoscience, international chemistry March 5th, 2015magnetic vortices in nanodisks reveal information: Researchers from Dresden and Jlich use microwaves to read out information from smallest storage devices March 4th,
2015magnetic vortices in nanodisks reveal information: Researchers from Dresden and Jlich use microwaves to read out information from smallest storage devices March 4th, 2015nanosorbents Increase Extraction, Recycling of Silver from Aqueous solutions March 4th, 201 1
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