The requirements for a material to be useful in a pyroelectric infrared detector or thermal imaging system are summarised and the properties of several of the more commonly used pyroelectrics are reviewed. An account is given of the development and properties of a new pyroelectric ceramic in the uranium-doped PbZrO3PbTiO3Pb2FeNbO6 system for use in single-element pyroelectric detectors. This is contrasted with an account of the growth and characterisation of the improper ferroelectrics FeI and NiBr boracite single crystals for use as pyroelectric vidicon target materials.
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Whatmore et al. (1980) studied this question.
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