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Crystal Field in the Laves Phase Compound PrNi 2
Author(s) -
Andreeff A.,
Frauenheim Th.,
Goremychkin E. A.,
Griessmann H.,
Lippold B.,
Matz W.,
Chistyakov O. D.,
Savitskii E. M.
Publication year - 1982
Publication title -
physica status solidi (b)
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.51
H-Index - 109
eISSN - 1521-3951
pISSN - 0370-1972
DOI - 10.1002/pssb.2221110212
Subject(s) - laves phase , inelastic neutron scattering , crystal (programming language) , multiplet , ground state , seebeck coefficient , condensed matter physics , coupling constant , field (mathematics) , crystal field theory , scattering , neutron scattering , electron , atomic physics , chemistry , materials science , physics , thermal conductivity , nuclear physics , intermetallic , spectral line , ion , optics , mathematics , particle physics , composite material , alloy , computer science , programming language , organic chemistry , astronomy , pure mathematics
The crystal field splitting of the 3 H 4 ground state multiplet of Pr 3+ in PrNi 2 is studied by inelastic neutron scattering (TOF). The crystal field parameters are found to be B 4 0= (24.5 ± 1.8) × 10 −4 meV and B 6 0= – (65.7 ± 6.9) × 10 −6 meV. The ground state is the nonmagnetic Γ 3 doublet. The derived crystal field level scheme is proved by measuring the specific heat. From magnetic measurements the molecular field constant λ = 67 kOe/μ B and from the temperature dependence of the thermoelectric power the direct scattering potential of the conduction electrons V = –0.057 eV and the exchange coupling parameter J 11 = –0.029 eV are derived.
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