INDIESODERZhAShchII SCINTILLATOR (PHOSPHOR) WITH GARNET STRUCTURE, ACTIVATED CERIUM

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1. Scintillator with garnet structure, activated cerium, based on oxides of rare-earth elements and elements iii subgroup, characterized in that its composition is additionally introduced indium oxide together with elements iii subgroup (aluminium, scandium, gallium), forming stoichiometric formula (∑ ln) AlBScGaInO (f, n), where ∑ ln = y and ce, ft Nligandy , partially substituting ion of oxygen in tetraedrakh [alo] at 0.001 100 nm at duration of afterglow said material not more than 55 ns. 4. Scintillator according to Claim 1, characterized in that material of the said scintillator has cubic crystal lattice with the parameter a=12, 23?, 5. Scintillator according to Claim 1, characterized in that its molecular mass exceeds 550 atomic units, and average an atomic number is more than 40 units. 6. Scintillator according to Claim 1, characterized in that when excited its beam of electrons indicated material radiates green-yellow glow with duration of afterglow less than 50 ns. 7. Method of producing scintillator by thermal mining used for its synthesis of oxides, characterized in that said treatment is carried out at T=1200-1600°C for 10 hours in atmosphere containing ion ft ammonia.