The very sharp first-order phase transition in single-crystal BaTiO3 permits thermal changes to be driven by very small electric fields. The resulting giant electrocaloric strength could be exploited in future cooling devices that operate at high frequency.
If you can't find a tool you're looking for, please click the link at the top of the page to "Go to old article view". Alternatively, view our Knowledge Base articles for additional help. Your feedback is important to us, so please let us know if you have comments or ideas for improvement.