Route to ferromagnetism in organic polymers

Details Route to ferromagnetism in organic polymers Route to ferromagnetism in organic polymers

2010-07-28

arxiv.org/abs/1007.4994v1

Phys. Rev. Lett. 105, 266403, (2010)

Physics

Condensed Matter

Strongly Correlated Electrons

11 pages, 3 figures

Scientific paper

10.1103/PhysRevLett.105.266403

Employing a rigorous theoretical method for the construction of exact
many-electron ground states we prove that interactions can be employed to tune
a bare dispersive band structure such that it develops a flat band. Thereby we
show that pentagon chain polymers with electron densities above half filling
may be designed to become ferromagnetic or half metallic.

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