Crystal field influence on the S-8(7/2) ground state splitting of Bk4+ in CeF4

Crystal field influence on the S-8(7/2) ground state splitting of Bk4+ in CeF4

Author Brito, H. F. Google Scholar
Liu, G. K. Google Scholar
Institution Argonne Natl Lab
Universidade Federal de São Paulo (UNIFESP)
Abstract The one-particle models of crystal-field theory provide a qualitative interpretation for the observed ground state splitting of four Kramers doublets of the S-8(7/2) of Bk4+ doped into CeF4. A set of nine nonzero (B-q(k)) parameters corresponding a C-2v point symmetry provide a very good correlation between the experimental data and simulated energy level schemes within a rms deviation of 13.7 cm(-1). the calculated and experimental energy values have the same order-of-magnitude for the ground state and excited components. the total ground state splitting of the S-state ions of f-elements such as Bk4+ in CeF4 is larger when compared with Cm3+:LaCl3 and Gd3+:La(C2H5SO4)(3). 9H(2)O ions. the so-called crystal-field strength parameter, N-v, increases as a function of the increasing maximum splitting of the ground state due to a decrease in the participation of the pure S-8(7/2) in the final composition of the ground state eigenvector. (C) 2000 American Institute of Physics. [S0021-9606(00)70509-5].
Language English
Date 2000-03-01
Published in Journal of Chemical Physics. Melville: Amer Inst Physics, v. 112, n. 9, p. 4334-4341, 2000.
ISSN 0021-9606 (Sherpa/Romeo, impact factor)
Publisher Amer Inst Physics
Extent 4334-4341
Access rights Closed access
Type Article
Web of Science ID WOS:000085455600049

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