METHOD OF OBTAINING SCINTILLATION MONOCRYSTALS OF LEAD TUNGSTATE
FIELD: methods of obtaining crystals, namely monocrystals of lead tungstate. SUBSTANCE: method includes pulling the monocrystals from melt containing lead and tungsten oxides in presence of additives of alloying elements in gas medium followed by annealing grown monocrystals in atmosphere of pure in...
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| creator | POTASHOV S.JU TERKULOV A.R POLJANSKIJ E.V ZADNEPROVSKIJ B.I KOZLOV V.A NEFEDOV V.A DEVITSIN E.G |
| description | FIELD: methods of obtaining crystals, namely monocrystals of lead tungstate. SUBSTANCE: method includes pulling the monocrystals from melt containing lead and tungsten oxides in presence of additives of alloying elements in gas medium followed by annealing grown monocrystals in atmosphere of pure inert gas at pressure of 0.8-1.5 atm and temperature of 780-950 C. Proposed method enhances radioactive resistance of scintillation monocrystals of lead tungstate PbWO4 to ionizing radiation. EFFECT: extended field of application. 6 dwg, 1 tbl, 1 ex |
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| subjects | AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUSPOLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE APPARATUS THEREFOR CHEMISTRY CRYSTAL GROWTH METALLURGY PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITHDEFINED STRUCTURE REFINING BY ZONE-MELTING OF MATERIAL SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITHDEFINED STRUCTURE SINGLE-CRYSTAL-GROWTH UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL ORUNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL |
| title | METHOD OF OBTAINING SCINTILLATION MONOCRYSTALS OF LEAD TUNGSTATE |
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