| EPSRC Reference: |
EP/F038259/1 |
| Title: |
Ferroelectric Switching |
| Principal Investigator: |
Reece, Professor M |
| Other Investigators: |
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| Department: |
Materials |
| Organisation: |
Queen Mary University of London |
| Scheme: |
Standard Research |
| Starts: |
25 February 2008 |
Ends: |
24 March 2009 |
Value (£): |
79,577
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| EPSRC Research Topic Classifications: |
| Materials Characterisation |
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| No relevance to Underpinning Sectors |
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Summary on Grant Application Form |
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Ferroelectric materials are used in ceramic, thin film and single crystal form for actuator, sensor and memory applications. Their properties are intrinsically dependent on ferroelectric switching by the movement of domain walls. Despite the importance of ferroelectric switching, there is no complete theory to describe it, and the atomistic nature of the switching process is still unknown. In this work we will develop a rigorous formulism of Rate Theory to describe ferroelectric switching. This will then allow us this to analyse experimental polarisation switching data for ferroelectric ceramics to obtain the activation parameters (volume and enthalpy) for the rate controlling step in the switching process. The proposed research provides a new approach to modelling ferroelectric switching that will, importantly, provide a physical insight into the processes involved. The results of this work can potentially be applied in other fields, including ferroelectric polymers and geology.
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Key Findings |
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This information can now be found on Gateway to Research (GtR) http://gtr.rcuk.ac.uk
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Potential use in non-academic contexts |
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This information can now be found on Gateway to Research (GtR) http://gtr.rcuk.ac.uk
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Impacts |
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| Description |
This information can now be found on Gateway to Research (GtR) http://gtr.rcuk.ac.uk |
| Summary |
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| Date Materialised |
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Sectors submitted by the Researcher |
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This information can now be found on Gateway to Research (GtR) http://gtr.rcuk.ac.uk
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