Neutron scattering study of crystal fields in (formula presented)
Genre
Journal ArticleDate
2002-01-01Author
Christianson, ADLawrence, JM
Pagliuso, PG
Moreno, NO
Sarrao, JL
Thompson, JD
Riseborough, PS
Kern, S
Goremychkin, EA
Lacerda, AH
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http://hdl.handle.net/20.500.12613/6128
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10.1103/PhysRevB.66.193102Abstract
Neutron scattering results for the tetragonal compound (formula presented) give evidence for two crystal field (CF) excitations at 6.9 and 23.6 meV. The scattering can be fit assuming a set of CF parameters (formula presented) (formula presented) and (formula presented) To compare our results with previous work, we calculate the susceptibility and specific heat for this CF scheme, including a molecular field term (formula presented) to account for the Kondo effect. We also include a calculation based on these CF parameters, which uses the noncrossing approximation to the Anderson model to estimate the effect of Kondo physics on the susceptibility, specific heat, and neutron linewidths. © 2002 The American Physical Society.Citation to related work
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Physical Review B - Condensed Matter and Materials PhysicsADA compliance
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http://dx.doi.org/10.34944/dspace/6110