A team of scientists at Northwestern University has discovered that some ferroelectric materials are hiding a surprise. Layered perovskites don’t conform to conventional wisdom—instead, these materials completely turn off polarization if enough strain is applied to them.
Read MoreSchematic of the structure of a typical lanthanum aluminate-strontium titanate interface, left, and the abrupt, sharp interface obtained through an atomic layer engineering method developed at ORNL. Credit: Choi et…
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