A source of well-defined annihilation gamma-rays

Positron annihilation experiments using both lifetime spect,roscopy and Doppler broadening of the annihilation lineshape technique are performed for various pure zeolites nnd for mordenite impregnated with highly dispersed gold particles. Changes in the annihilation parameters are tentatively correlated with the properties of the samples and, in case of impregnated samples, attributed t o the presence of gold particles in the matrix of the zeolite.Positronenannihilationsexperimente werden mittels Lebensdauerspektroskopie und Dopplerverbreiterungs-Linienformanalyse fur verschiedene reine ,,Zeolite und Mordenite, die mit hochdispersen Goldteilchen impragniert werden, durchgefuhrt. Anderungen der Annihilationsparameter werden versuchsweise mit den Eigenschaften der Proben korreliert und in Fallen impragnierter Proben der Anwesenheit von Goldpartikeln in der Zeolitmatrix zugeordnet.

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The role of bound states in positronium annihilation

Goldanskii

Shantarovich

1974

Appl. Phys.

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A source of well-defined annihilation gamma-rays

Cited by 6 publications

References 8 publications

The effect of impregnation with gold on positron lifetime spectra in NaY zeolite

The effect of impregnation with gold on positron lifetime spectra in NaY zeolite

Positron Annihilation Studies in Zeolites

The role of bound states in positronium annihilation

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