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Publisher's URL: http://dx.doi.org/10.1088/0143-0807/21/5/312
The electrical properties of ferroelectric substances are investigated and related to the Curie-Weiss law. A cryogenic experiment suitable for students measures the electrical susceptibility of strontium titanate in the 90-300 K temperature range. By measuring the electrical susceptibility of a modified barium titanate ceramic between 273 K and 343 K a phase transition is clearly observed at 304 K.
|Keywords:||Curie-Weiss law, cryogenics, electrical susceptibility, capacitors.|
|Glasgow Author(s):||Trainer, Mr Matthew|
|Subjects:||Q Science > QC Physics|
|College/School:||College of Science and Engineering > School of Physics and Astronomy|
|Research Group:||Physics and Astronomy|
|Journal Name:||European Journal of Physics|