Type of Document Master's Thesis Author Jullian, Christelle Francoise Author's Email Address email@example.com URN etd-12172003-135750 Title Investigation of polarization switching over broad time and field domains in various ferroelectrics Degree Master of Science Department Materials Science and Engineering Advisory Committee
Advisor Name Title Viehland, Dwight D. Committee Chair Dowling, Norman E. Committee Member Li, Jie-Fang Committee Member Keywords
- relaxation time
- switching mechanisms
- Polarization switching
- domain dynamics
Date of Defense 2003-12-10 Availability unrestricted AbstractInvestigations of polarization switching over broad time and electric field domains, in various modified Pb-based perovskite ferroelectrics, were systematically performed by ferroelectric switching current transient and bipolar drive P-E responses. Studies were performed from E«Ec to E»Ec, where Ec is the coercive field These investigations have shown the presence of broad relaxation time distributions for the switching process, which can extend over several decades in order of magnitude in time, and where the distribution is strongly dependent on the applied electric field.
By performing the study of domain dynamics and polarization switching over extremely broad time domains (10-8
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