epitaxial strain Archives | The American Ceramic Society

epitaxial strain

Layered perovskites surprise scientists with disappearing polarity under strain

By April Gocha / July 28, 2016

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 More

Perovskite oxides: Group demonstrates technique for engineering ‘perfect’ heterointerfaces

By / November 20, 2012

Schematic 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 al.; Advanced Materials. Oak Ridge National Lab researcher Ho Nyung Lee has studied complex-oxide thin films for over a decade, and during this time he particularly has…

Read More