<p>A scintillator crystal and a method for growing a scintillator crystal are provided which includes an as-grown Edge-defined Film-fed Growth (EFG) single crystal. The as-grown EFG single crystal has a body having a thickness, a width, and a length, such that the thickness<width<length, and the body has a cross-sectional area perpendicular to the length of not less than about 16 mm2.</p>
