Národní úložiště šedé literatury Nalezeno 5 záznamů.  Hledání trvalo 0.01 vteřin. 
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.
Gamma and alpha spectroscopy of inorganic scintillators, especially those of Pr.sup.3+./sup. doped
Mareš, Jiří A. ; Beitlerová, Alena ; Nikl, Martin ; Průša, Petr ; Kučera, M. ; Nitsch, Karel
Basic concept of Hybrid Photo Detectors (HPD) or Hybrid photo Multiplier (HPMT) combines vacuum sealed photocathode and Si-PIN diode as anode and is known more than 50 yers. Considerable improvement of these detectors in connected with a development of more efficient Si-PIN diodes.
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.
Kinetics of polymer nucleation on active centers
Kožíšek, Zdeněk ; Demo, Pavel ; Sveshnikov, Alexey ; Tichá, Petra
We have numerically solved kinetic equations describing formation of nuclei on active centers to determine the total number of nuclei, nucleation rate and the number densities of nuclei near critical size. Results of our model were compared with experimental data for polymer crystal nucleation of polyethylene on nucleation agent. Our model predicts are in good coincidence with experimental data.
Cobalt-based ferromagnetic shape memory alloys - preparation, characterization and funtional properties
Kopeček, Jaromír ; Jarošová, Markéta ; Jurek, Karel ; Drahokoupil, Jan ; Majtás, Dušan ; Sedláková, Silvia ; Heczko, Oleg
The cobalt-based shape memory alloys (SMA) are expected to be the new kind of socalled ferromagnetic SMAs. The presented abstract describes the progress on the structural study.

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