The pyroelectric properties of the lanthanum-doped ferroelectric plzt ceramics
作者： S. T. Liu , J. D. Heaps , O. N. Tufte
DOI: 10.1080/00150197208235319
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摘要: The pyroelectric properties of hot-pressed lanthanum doped PZT X/65/35 ferroelectric ceramics have been studied to evaluate their potential as infrared detector materials. coefficients ranged from 3.5 × 10-8 17.0 (coul/cm2 °C) for compositions X = 0 8. dielectric also measured over this compositional range. Thermal noise is shown be dominant in detectors made these materials frequencies between 1 Hz and 1000 Hz. A detectivity at 100 108 cm(Hz)4/W has achieved
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