Electronic structure and exchange interactions of the ladder vanadates CaV2O5 and MgV2O5

Details Electronic structure and exchange interactions of the ladder vanadates CaV2O5 and MgV2O5 Electronic structure and exchange interactions of the ladder vanadates CaV2O5 and MgV2O5

1999-07-30

arxiv.org/abs/cond-mat/9907479v1

J.Phys.:Condens.Matter 12 N2 (2000) pp.113-124.

Physics

Condensed Matter

Strongly Correlated Electrons

Scientific paper

10.1088/0953-8984/12/2/302

We have performed ab-initio calculations of the electronic structure and
exchange couplings in the layered vanadates CaV2O5 and MgV2O5. Based on our
results we provide a possible explanation of the unusual magnetic properties of
these materials, in particular the large difference in the spin gap between
CaV2O5 and MgV2O5.

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