%0 Conference Paper %K Annealing %K Heating %K Voltage measurement %K Polarization %K Ferroelectric materials %K Energy gap %K Lead compounds %K Crystals %K Paramagnetic resonance %K Barium titanate %K Switchable polarization %K Lead zirconate titanate (PZT) %K Radiation effects %K Charge carriers %K Charge injection %K Electrical suppression effect %K Electronic trapping effect %K Ionic trapping effect %A William Warren %A Duane Dimos %A Bruce Tuttle %A Gordon Pike %A Mark Raymond %A Robert Nasby %A Ramamoorthy Ramesh %A Joseph Evans Jr %B Proceedings of the Materials Research Society Symposium - %D 1995 %G eng %I Materials Research Society, Pittsburgh, PA, United States %P 51-65 %S Materials Research Society Symposium - %T Mechanism(s) for the suppression of the switchable polarization in PZT and BaTiO3 %V 361