Browsing by Author "Escada, J. M.D."

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    Experimental ion mobility measurements in Xe-CF4 mixtures
    (IOP Publishing, 2018-04) Cortez, André F.V.; Kaja, Magdalena A.; Escada, J. M.D.; Santos, M. A.G.; Neves, Pedro N.B.; Santos, Filomena P.; Borges, F. I.G.M.; Conde, Carlos A.N.; Veenhof, Robert J.; Uludağ Üniversitesi/Fen-Edebiyat Fakültesi/Fizik Bölümü.; 6603742499
    In this paper we present the results of the ion mobility measurements made in gaseous mixtures of xenon with carbon tetrafluoride (Xe-CF4) for pressures ranging from 6 to 10 Torr (8-10.6 mbar) and for low reduced electric fields in the 10 to 25 Td range (2.4-6.1 kV.cm(-1).bar(-1)), at room temperature. The time-of-arrival spectra revealed one or two peaks depending on the gas relative abundances, which were attributed to CF3+ and to Xe-2(+) ions. However, for Xe concentrations above 60%, only one peak remains (Xe-2(+)). The reduced mobilities obtained from the peak centroid of the time-of-arrival spectra are presented for Xe concentrations in the 5%-95% range.