%0 Conference Paper %K Sensors %K Silicon %K Lead compounds %K Ferroelectric films %K MEMS %K Piezoelectric materials %K Epitaxial films %K Si substrates %K Orientation dependence %K Piezoelectric constant %K Sensor devices %A J Ouyang %A Ramamoorthy Ramesh %A A.L Roytburd %B Proceedings of the Materials Research Society Symposium %D 2005 %G eng %P 125-130 %S Materials Research Society Symposium %T Effective direct piezoelectric constants in epitaxial ferroelectric films as MEMS sensors %V 881 %@ 1558998357; 9781558998353