National Repository of Grey Literature 5 records found  Search took 0.02 seconds. 
Influence of Sc.sup.3+./sup. doping on Pr.sup.3+./sup. emission in epitaxial scintillation garnet layers
Hanuš, M. ; Kučera, M. ; Nikl, Martin ; Nitsch, Karel ; Průša, Petr ; Mareš, Jiří A. ; Onderišinová, Z.
Yttrium (Y3Al5O12) and lutetium (Lu3Al5O12) aluminium garnets doped by rare earths such as Ce, Eu, Pr, are considered as very good scintillation materials. The garnets have chemical, mechanical, and radiation stability superior to most of scintillation materials and light yield is high, thus they are often used as scintillation screens.
Thermal properties and crystallization kinetics of Er:LiY(PO.sub.3./sub.).sub.4./sub. glass
Rodová, Miroslava ; Cihlář, Antonín ; Král, Robert ; Sveshnikov, Alexey ; Nitsch, Karel
This contribution deals with study on thermal properties of phosphate glass with a nominal composition of Er:LiY(PO3)4 when searching new scintillation glasses.
Application of thermal analysis in study of crystalline materials and glasses
Nitsch, Karel
Paper presents an outline of thermal analysis methods (differential thermal analysis (DTA), differential scanning calorimetry (DSC), thermogravimetry (TG), thermomechnical analysis (TMA)), their historical development, characterization and application in study of crystalline materials and glasses.
Analysis of crystallization kinetics of Li-Y phosphate glass under non-isothermal conditions
Nitsch, Karel ; Rodová, Miroslava ; Sveshnikov, Alexey
Crystallization kinetics of erbium doped LiY(PO3)4 glass was studied experimentally using DSC under non-isothermal conditions. Based on the experimental data the applicability of Johnson-Mehl-Avrami model was tested for description of crystallization kinetics of above mentioned glass.
Preparation and thermal properties of glassy LiY(PO.sub.3./sub.).sub.4./sub..
Rodová, Miroslava ; Král, Robert ; Nitsch, Karel
Glass with composition of LiY(PO3)4 was prepared by quenching of molten mixture of lithium carbonate, yttrium phosphate and P2O5. Crystallization kinetics was experimentally studied using non-isothermal DSC and data obtained were evaluated by means of Johnson-Mehl-Avrami and Matusita models.

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