Abstract
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.
| Original language | English |
|---|---|
| Pages (from-to) | 1-4 |
| Number of pages | 4 |
| Journal | Physical Review B - Condensed Matter and Materials Physics |
| Volume | 66 |
| Issue number | 19 |
| DOIs | |
| State | Published - 2002 |
| Externally published | Yes |