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Positronium formation and inhibition in binary solid solutions on Al (III) and ...

Machado, José Caetano; Carvalho, Cornélio de Freitas; Magalhães, Welington Ferreira de; Netto, Antonio Marques; Abbé, J. Ch.; Duplâtre, G.

Positron annihilation lifetime spectroscopy has been applied in mixtures and in solutions of solid Al(W), Al(acac),, and Co(III), Co(acac)g, tris(acetylacetonates). For the solid solutions of Co(acac), in Al(a~+c)~, a strong inhibition of positronium formation is observed with increasing cobalt complex concentration, while there is no quenching of the positronium lifetime. In the solid mixtures the positronium ...

Date: 2015   |   Origin: Oasisbr

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