Abstract
Scintillators are the vital component in X-ray perspective image
technology that is applied in medical imaging, industrial nondestructive
testing, and safety testing. But the high cost and small size of
single-crystal commercialized scintillators limit their practical
application. Here, a series of Tb3+-doped borosilicate glass
(BSG) scintillators with big production size, low cost, and high spatial
resolution are designed and fabricated. The structural, photoluminescent,
and scintillant properties are systematically investigated. Benefiting
from excellent transmittance (87% at 600 nm), high interquantum efficiency
(60.7%), and high X-ray excited luminescence (217% of
Bi4Ge3O12), the optimal sample shows
superhigh spatial resolution (exceeding 20 lp/mm). This research suggests
that Tb3+-doped BSG scintillators have potential applications
in the static X-ray imaging field.
© 2023 Chinese Laser Press
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