We have developed a classroom experiment suitable for undergraduate students in which they fabricate a ferroelectric capacitor from potassium nitrate and then observe the electrical behavior as the film is cooled through its transition temperature. The experiment can be carried out using a capacitance bridge that is simple to construct and inexpensive. The experiment gives students a hands-on experience with ferroelectric phenomena, a subject of considerable interest from both a fundamental and a technological standpoint.
CITATION STYLE
Dawber, M., Farnan, I., & Scott, J. F. (2003). A classroom experiment to demonstrate ferroelectric hysteresis. American Journal of Physics, 71(8), 819–822. https://doi.org/10.1119/1.1561271
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