RARE EARTH GARNET SCINTILLATOR AND METHOD OF MAKING SAME

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A detector for detecting high-energy radiation is disclosed. The detector includes scintillating material with a garnet structure includes gadolinium, yttrium, cerium, gallium, and aluminum. The scintillating material is expressed as (Gd1−x−y−zYxAyCez)3+u(Ga1−m−nAlmDn)5−uO12 : wFO, wherein A is lutetium, lanthanum, terbium, dysprosium, or a combination thereof; D is indium, scandium, or a combination thereof; F is a divalent ion; 0≦x1.