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Insight into the crystal structures and physical properties of the uranium borides UB$_{1.78±0.02,}$ UB$_{3.61±0.041}$ and UB$_{11.19±0.13}$

Abstract : In this study we reported the synthesis of three polycrystalline uranium borides UB$_{1.78±0.02,}$ UB$_{3.61±0.041}$ and UB$_{11.19±0.13}$ and their analyses using chemical analysis, X-ray diffraction, SQUID magnetometry, solid-state NMR, and Fourier transformed infrared spectroscopy. We discuss the effects of stoichiometry deviations on the lattice parameters and magnetic properties. We also provide their static and MAS-NMR spectra showing the effects of the 5f-electrons on the $^{11}$B shifts. Finally, the FTIR measurements showed the presence of a local disorder.
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https://hal-cea.archives-ouvertes.fr/cea-03507034
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Submitted on : Monday, January 3, 2022 - 9:28:23 AM
Last modification on : Wednesday, January 5, 2022 - 3:41:03 AM

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Distributed under a Creative Commons Attribution 4.0 International License

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Laura Martel, Thibault Charpentier, Pedro Amador Cedran, Chris Selfslag, Mohamed Naji, et al.. Insight into the crystal structures and physical properties of the uranium borides UB$_{1.78±0.02,}$ UB$_{3.61±0.041}$ and UB$_{11.19±0.13}$. Minerals, MDPI, 2022, 12 (1), pp.29. ⟨10.3390/min12010029⟩. ⟨cea-03507034⟩

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