Absorption spectrophotometric study of berkelium(III) and (IV) fluorides in the solid state |
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| Affiliation: | 1. Department of Chemistry, University of Tennessee, Knoxville, TN 37916, USA;2. Transuranium Research Laboratory, Oak Ridge National Laboratory, Oak Ridge, TN 37830, USA;1. Advanced Materials Laboratory, ETSIIAA, Universidad de Valladolid, Avenida de Madrid 44, 34004 Palencia, Spain;2. CEMDRX, Physics Department, Universidade de Coimbra, Rua Larga, P-3004-516 Coimbra, Portugal;3. Department of Physics and MALTA Consolider Team, Universidad de La Laguna, E-38200 San Cristóbal de La Laguna, Santa Cruz de Tenerife, Spain;4. Signal Theory and Communications and IT Department, ETSIT, Universidad de Valladolid, Campus Miguel Delibes, Paseo Belén 15, 47011, Valladolid, Spain;5. Chemistry Department, Faculdade de Ciências e Tecnologia, Universidade de Coimbra, P-3004-535 Coimbra, Portugal;1. Annamalai University, India;2. R.V.R. & J.C. College of Engineering, India |
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| Abstract: | Absorption spectrophotometry has been used to study the dimorphic BkF3 system and BkF4 in the solid state. LaF3-type trigonal BkF3 can be distinguished from YF3-type orthorhombic BkF3 by subtle, but reproducible, differences in their corresponding absorption spectra. This ability emphasizes the sensitivity of absorption spectrophotometric analysis, since both crystal modifications of BkF3 have the same metal ion coordination number of nine. The absorption spectrum of BkF4 (UF4-type monoclinic structure) is reported for the first time. |
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