Thursday, 12 April 2018

Wiggling atoms switch the electric polarization of crystals

A time-resolved x-ray experiment now elucidates that tiny atomic vibrations shift negative charges over a 1000 times larger distance between atoms and switch the macroscopic polarization on a time scale of a millionth of a millionth of a second.

from Engineering and Construction News – ScienceDaily https://www.sciencedaily.com/releases/2018/04/180412154448.htm



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