Abstract
We have synthesized europium-doped gadolinium oxide (Gd 2O 3:Eu) scintillators by a precipitation method with advantages of simple process and low-temperature calcinations for high resolution X-ray imaging detectors. The powders with about 15–30 nm particle sizes were obtained by subsequent calcinations of the precursor at a different temperature of 600–800 °C for 10 h. The wavelength of the main emission peak was about 610 nm and as temperature increased, light intensity of the scintillator increased in the X-ray luminescence case. Imaging performance such as X-ray linearity and spatial resolution of both commercial bulk and nanocrystalline-Gd 2O 3:Eu scintillator screens was measured and compared with the X-ray imaging system after coupling these to a CCD image sensor.
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Schedule a callMore From: Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
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