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New Cerium Activated Scintillating Glasses

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1 Author(s)
Ginther, Robert J. ; U. S. Naval Res. Lab., Washington, D. C.

The synthesis of cerium activated scintillating glasses is being continued, and two new types have been developed. One of these, a magnesium aluminum borate, is similar to the alkali borate glasses reported previously and was made in an effort to provide a scintillating glass with the highest possible boron content in which a reasonable pulse height could be retained. Its pulse height with gamma excitation is 5.0 per cent of a Nal(Tl) crystal. The second glass developed is a lithium magnesium aluminum silicate. This glass has a pulse height 14.0 per cent of the Nal(Tl) crystal and is the most efficient material prepared in this program. Preliminary studies indicate that energy transfer between the base glass and the activator does occur, and that the efficiency of glass scintillators is not limited by the absence of energy transfer. mission.

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Nuclear Science, IRE Transactions on  (Volume:7 ,  Issue: 2-3 )