24 Feb '12, 6pm

MIT Researchers Able to Control Properties of Nanowires as They Grow

MIT Researchers Able to Control Properties of Nanowires as They Grow

Researchers at MIT have developed a method by which they can control the growth process of nanowires and thereby control the composition, structure, and even their resulting properties. The MIT research team, led by Silvija Gradečak, assistant professor of materials science and engineering, followed the usual method of growing nanoparticles by using “seed” particles (metal nanoparticles), but in their experiments the researchers closely controlled the amount of gases used in the growth process. The results, which were published in the journal Nano Letters , demonstrated that by controlling the gases interacting with the seed particles, the researchers were able to control the width and composition of the resulting nanowires. Gradečak's team used an electron microscope to observe the effects that the gases were having on the growth process, and then the researchers adjusted...

Full article: http://spectrum.ieee.org/nanoclast/semiconductors/nanotec...

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