| http://www.w3.org/ns/prov#value | - While the technology is well established, lead is a potent neurotoxin that poses a serious threat to human health, especially children, and to the environment.We have produced the piezoelectric effect by taking thin films of bismuth ferrite and applying a huge epitaxial strain, says Robert Zeches, a member of Ramesh's UC Berkeley research group who was the first author on the Science paper.
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