TLP contents
Main pages
- Aims
- Before you start
- Introduction
- The dipole moment
- Polarisation
- Switching polarisation (1)
- Switching polarisation (2)
- Measurement of polarisation
- Fabrication of a KNO3 ferroelectric capacitor
- Temperature dependence of the Hysteresis loop
- Barium titanate
- Barium titanate and phase changes
- Order of phase transitions
- Ferroelectrics - why?
- Summary
- Questions
- Going further
Additional pages
Media resources
- Diagram of two charged particles q separated by some distance r (image)
- Diagrams of non-polar and polar structures (image)
- Diagram of possible directions for dipole moment (image)
- Diagram of domains in a cross-section of a crystal (image)
- Diagram of domains in a cross-section of a single crystal (image)
- Micrograph showing domains within a single grain (image)
- Diagram of stable dipole alignments (image)
- Free energy diagram (image)
- Free energy diagram (image)
- Free energy diagram (image)
- Free energy diagram (image)
- Diagram of overall polarisation of a large single domain (image)
- Diagram of domain behaviour within an electric field (image)
- Diagram showing hysteresis curve (image)
- Diagram of Sawyer-Tower circuit (image)
- Image of hysteresis loop (image)
- Image of hysteresis loops at different temperatures (image)
- Diagram of perovskite structure (image)
- Diagram of perovskite structure (image)
- Diagram to show change ion structure during phase change (image)
- Diagram to show change ion structure during phase change (image)
- Diagram to show change ion structure during phase change (image)
- Diagram to show change ion structure during phase change (image)
- Diagram to show change ion structure during phase change (image)
- Diagram to show change ion structure during phase change (image)
- Diagram to show change ion structure during phase change (image)
- Plot of the spontaneous polarisation vs. temperature (image)
- Plot of the spontaneous polarisation vs. temperature (image)
- Image of hysteresis loop (image)
- Animation of production and loss of charge (image)
- Animation of reversible domain wall movement (image)
- Animation of domain growth (image)
- Animation of phase changes in barium titanate (image)
- Animation of use of ferroelectrics in a camera flash (image)
- Animation comparing pyroelectrics with ferroelectrics (image)
- Construction of a KNO3 capacitor (video)
- Construction of a KNO3 capacitor (video)
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