METHOD FOR MANUFACTURING Lu3Al5O12 CRYSTAL MATERIAL FOR DETECTING RADIATION

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PROBLEM TO BE SOLVED : To provide a method for manufacturing an Lu3Al5O12 crystal material for detecting radiation having high fluorescence intensity. SOLUTION : The Lu3Al5O12 crystal is manufactured by using a garnet seed crystal which is expressed by general formula : A3B2D3O12(wherein A is one kind of rare earth elements; B is one kind selected from rare earth elements, Al and Ga; and D is Al or Ga) and which is different from the Lu3Al5O12 crystal but has the same melting point as that of the Lu3Al5O12 crystal or a melting point lower by ≤150°C than that of the Lu3Al5O12 crystal. COPYRIGHT : (C)2006, JPO&NCIPI