Dimensionality selection in a molecule-based magnet

Details Dimensionality selection in a molecule-based magnet Dimensionality selection in a molecule-based magnet

2012-01-27

arxiv.org/abs/1201.5864v1

Physics

Condensed Matter

Strongly Correlated Electrons

8 pages, 6 figures

Scientific paper

Gaining control of the building blocks of magnetic materials and thereby achieving particular characteristics will make possible the design and growth of bespoke magnetic devices. While progress in the synthesis of molecular materials, and especially coordination polymers, represents a significant step towards this goal, the ability to tune the magnetic interactions within a particular framework remains in its infancy. Here we demonstrate a chemical method which achieves dimensionality selection via preferential inhibition of the magnetic exchange in an $S=1/2$ antiferromagnet along one crystal direction, switching the system from being quasi-two- to quasi-one-dimensional while effectively maintaining the nearest-neighbour coupling strength.

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