AI Article Synopsis
- The study measured the molar magnetic susceptibilities of two americium isotopes, (241)Am and (243)Am, to better understand their unexpected higher magnetic susceptibility compared to predictions from Hund's rules.
- Results indicated a noticeable increase in magnetic susceptibility with α activity and β(-) activity, with β(-) effects being more significant than those from α particles.
- The research highlighted challenges in determining whether temperature-related changes in Am(iii) susceptibility were due to radicals or β(-) particles, while also comparing magnetic susceptibilities across different chemical media impacted by both alpha and beta emissions.
Article Abstract
In order to explain the higher magnetic susceptibility of some aquo actinide ions than predicted by Hund's rules, the molar magnetic susceptibilities of two americium isotopes ((241)Am and (243)Am) were measured using the Evans method. The results obtained show a growing change in the magnetic susceptibility with α and also a β(-) activity increase in solution. β(-) particle effects appear to be stronger than radicals formed by α particles on the experimental values. The temperature dependence of Am(iii) magnetic susceptibility has been observed but from experiments carried out here, it appears to be difficult to prove whether this effect arises from radicals or β(-). Finally, magnetic susceptibilities of americium recorded in different media (HClO4, HCl, and HNO3) have been compared to alpha and beta emissions' impact.
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| http://dx.doi.org/10.1039/c4cp00724g | DOI Listing |
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