Quasi-one-dimensional magnons in an intermetallic marcasite

Details Quasi-one-dimensional magnons in an intermetallic marcasite Quasi-one-dimensional magnons in an intermetallic marcasite

2011-11-28

arxiv.org/abs/1111.6499v1

Physics

Condensed Matter

Strongly Correlated Electrons

5 pages, 4 figures, Submitted to an APS journal

Scientific paper

We present inelastic neutron scattering measurements and first principles calculations examining the intermetallic marcasite CrSb2. The observed spin wave dispersion implies that the magnetic interactions are strongly one-dimensional with antiferromagnetic chains parallel to the crystalline c-axis. Such low-dimensional excitations are unexpected in a semiconducting intermetallic system. Moreover this material may be further interesting in that the magnetic anisotropy may enhance thermoelectric properties along particular crystallographic directions.

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