| 发明名称 |
Scintillation material on the base of cesium iodide and method for its preparation |
| 摘要 |
A cesium iodide based scintillation material is obtained exhibiting a low afterglow and high radiation hardness; its preparation method is developed, too. The cesium iodide based scintillation material doped by thallium iodide contains an additional admixture of compound having the general formula Mex (CO3)y, where Me is a cationic admixture, 1</=X</=2, 1</=Y</=5, This material has in its absorption spectrum a stretching vibration band of CO32--ion about 7 mu m and a bending vibration band about 11.4 mu m, the absorption coefficient of the latter being from 1.4x10-3 to 2x10-2 cm-1. Preparation method of this scintillation material comprises the raw material cesium iodide melting, adding of the activating thallium iodide dope, introduction of cesium carbonate (3x10-4 to 5x10-3% by mass) and a sodium salt (3x10-4 to 7.5x10-3% of Na by mass) into said raw material and/or the melt and a subsequent crystallization.
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| 申请公布号 |
US5876630(A) |
申请公布日期 |
1999.03.02 |
| 申请号 |
US19970854410 |
申请日期 |
1997.05.12 |
| 申请人 |
AMCRYS-H |
发明人 |
VINOGRAD, EDUARD L'VOVICH;GORILETSKY, VALENTIN IVANOVICH;KOVALEVA, LUDMILA VASIL'EVNA;KORSUNOVA, SOFIYA PETROVNA;KUDIN, ALEXANDR MIHAILOVICH;MITICHKIN, ANATOLII IVANOVICH;PANOVA, ALEXANDRA NIKOLAEVNA;PROTSENKO, VLADIMIR GRIGOR'EVICH;SHAKHOVA, KLAVDIA VIKTOROVNA;SHPILINSKAYA, LARISA NIKOLAEVNA |
| 分类号 |
C30B29/12;C30B11/00;C30B15/00;(IPC1-7):C09K11/61 |
主分类号 |
C30B29/12 |
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