Comparison between experiment and calculated band structures for DyN and SmN

Details Comparison between experiment and calculated band structures for DyN and SmN Comparison between experiment and calculated band structures for DyN and SmN

2007-03-28

arxiv.org/abs/cond-mat/0703740v3

Physical Review B 76, 245120 (2007)

Physics

Condensed Matter

Strongly Correlated Electrons

2 figures

Scientific paper

10.1103/PhysRevB.76.245120

We investigate the electronic band structure of two of the rare-earth nitrides, DyN and SmN. Resistivity measurements imply that both materials have a semiconducting ground state, and both show resistivity anomalies coinciding with the magnetic transition, despite the different magnetic states in DyN and SmN. X-ray absorption and emission measurements are in excellent agreement with LSDA+U calculations, although for SmN the calculations predict a zero band gap.

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