21St Ieee International Symposium on Applications of Ferroelectrics Held Jointly with 11Th European Conference on the Applications of Polar Dielectrics and 4Th Conference on Piezoresponse Force Microscopy and Nanoscale Phenomena in Polar Materials, Date: JUL 09-13, 2012, Location: Aveiro, PORTUGAL, Sponsors: IEEE, IEEE, Ultrason, Ferroelect & Frequency Control (UFFC) Soc, Host: Univ Aveiro