Biological Ferroelectricity Uncovered in Aortic Walls by Piezoresponse Force Microscopy
PRL 108,
078103
(2012), http://prl.aps.org/abstract/PRL/v108/i7/e078103
See also Physics Viewpoint by Bin and Huajian, http://physics.aps.org/articles/v5/19
Inside Science News Service, http://www.insidescience.org/news-service/1.2462