Other

Andrew Edgar

Paul Leblans

Luc A Struye

Peter M Willems

Johann-Martin Spaeth

Grant Victor McLelland Williams

Stefan Schweizer

Christian Josef Dotzler

This invention provides phosphor-doped fluoroperovskite compounds that are capable of storing at least part of the energy of incident ionizing radiation and releasing at least part of the stored energy upon optical stimulation or heating. Also provided are dosimeters and radiation storage devices comprising the compounds, methods of preparing the compounds, and methods of using the compounds to determine a dose of ionizing radiation or to record and reproduce an ionizing radiation image.

Fluoroperovskite radiation dosimeters and storage phosphors

A glass ceramic material for storing energy of X-rays and releasing said energy by photo-stimulation comprising a fluoride glass matrix containing micro-crystalline particles, said particles having an average particle size, d, so that d<2 &mgr;m and said glass ceramic shows in a XRD spectrum a continuous spectrum of said glass matrix and discrete peaks superimposed on said continuous spectrum. Said glass matrix contains preferably zirconium ions and ions selected from the group consisting of alkali ions and alkaline earth ions, at least 5 mole % of the fluoride ions is replaced by bromide and/or chloride ions and at least 0.01 mole % of cations selected from the group consisting of transition metal ions, rare earth metal ions, In , Ga , Tl , and Pb is present.

Fluoro glass ceramic showing photostimulable properties

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Wellington, New Zealand

Andrew Edgar