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MEASURING HYSTERESIS LOOPS OF FERROELECTRIC POLYMERS USING THE CONSTANT CHARGING CURRENT CORONA TRIODE
(Review of Scientific Instruments, 1991-07-01) [Artigo]
A novel method is proposed for measuring the hysteresis loops of ferroelectric polymers. The samples need to have only one electrode and are poled by corona discharge in a constant current corona triode. It is shown how ...
High temperature X-ray diffraction study of the U4O9 formation on UO2 sintered plates
(Journal of Nuclear Materials, 1991-01-01) [Artigo]
The surface oxidation of UO2 sintered plates at 170-275 ° C was studied in situ by high temperature X-ray diffractometry. At very low oxygen concentration, UO2 is oxidized to U4O9, while at 300°C and argon-20 vol% oxygen ...