Affiliation:
1. Department of Physics, College of Science Campus, M. L. Sukhadia University, Udaipur - 313001 (Raj.), India
2. Department of Physics, G.D. Govt. Girls College, Alwar - 301001 (Raj.), India
Abstract
The isotropic Compton profile of europium, the most reactive lanthanide, has been measured at a resolution of 0.40 a.u. using 661.65 keV gamma-rays. In the absence of a band structure-based Compton profile, the experimental data are compared with renormalised-free-atom (RFA) and free electron models. It is seen that the RFA model with e−-e− correlation agrees better with the experiment than the free electron models. The first derivatives of the Compton profiles show the hybridization effects of s-, p-, d-, f-electrons. From our RFA data we have also computed the cohesive energy of europium. PACS: 13.60.F, 71.15.Nc, 78.70. -g, 78.70.Ck
Subject
Physical and Theoretical Chemistry,General Physics and Astronomy,Mathematical Physics