one-dimensional line defects tagged posts

Engineered Defects in Crystalline Material Boosts Electrical Performance

Xiaoli Tan and a team of campus collaborators used this transmission electron microscope at the Ames Laboratory’s Sensitive Instrument Facility to study the effects of engineering defects into certain materials. Larger photoPhoto by Christopher Gannon.

Researchers have discovered that engineering one-dimensional line defects into certain materials can increase their electrical performance. Materials engineers don’t like to see line defects in functional materials.

The structural flaws along a one-dimensional line of atoms generally degrades performance of electrical materials. So, as a research paper published today by the journal Science reports, these linear defects, or dislocations, “are usually avoided at all costs.”

But sometimes, a team of researchers from Europe, Iowa St...

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