The coupling between electrons and phonons determines how efficiently solar cells convert sunlight into electricity. It also plays key roles in superconductors that transfer electricity without losses, topological insulators that conduct electricity only on their surfaces, materials that drastically change their electrical resistance when exposed to a magnetic field, and more.
from Engineering and Construction News – ScienceDaily https://www.sciencedaily.com/releases/2016/09/160922125436.htm
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