Magnetocaloric effect in hexacyanochromate Prussian blue analogs

Details Magnetocaloric effect in hexacyanochromate Prussian blue analogs Magnetocaloric effect in hexacyanochromate Prussian blue analogs

2006-02-24

arxiv.org/abs/cond-mat/0602589v1

Phys. Rev. B 73, 172406 (2006)

Physics

Condensed Matter

Materials Science

4 pages, 6 figures

Scientific paper

10.1103/PhysRevB.73.172406

We report on the magnetocaloric properties of two molecule-based hexacyanochromate Prussian blue analogs, nominally CsNi[Cr(CN)_6](H_2O) and Cr_3[Cr(CN)_6]_2x12(H_2O). The former orders ferromagnetically below Tc=90 K, whereas the latter is a ferrimagnet below Tc=230 K. For both, we find significantly large magnetic entropy changes DSm associated to the magnetic phase transitions. Notably, our studies represent the first attempt to look at molecule-based materials in terms of the magnetocaloric effect for temperatures well above the liquid helium range.

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