Electronic structure and the Fermi surface of UTGa_{5} (T=Fe, Co, Rh)

Details Electronic structure and the Fermi surface of UTGa_{5} (T=Fe, Co, Rh) Electronic structure and the Fermi surface of UTGa_{5} (T=Fe, Co, Rh)

2002-07-24

arxiv.org/abs/cond-mat/0207575v1

Physics

Condensed Matter

Strongly Correlated Electrons

2 pages, 3 figures, LT23auth.cls, elsart.cls. submitted to conference LT23

Scientific paper

10.1016/S0921-4526(02)02450-X

The relativistic energy-band calculations have been carried out for UFeGa_{5}, UCoGa_{5} and URhGa_{5} under the assumption that 5f-electrons are itinerant. A hybridization between the U 5f state and Ga 4p state occurs in the vicinity of the Fermi level. The Fermi surface of UCoGa_{5} is quite similar to that of URhGa_{5}, which are all small in size and closed in topology. UFeGa_{5} has the quasi-two-dimensional Fermi surface which looks like a lattice structure.

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