Ferromagnetic behavior of decamethylchromocenium tetracyanoethanide [CrCp2*][TCNE]

F. Zuo, S. Zane, P. Zhou, A. J. Epstein, R. S. McLean, Joel S. Miller

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Studies on the magnetic properties of decamethylchromocenium tetracyanoethanide, [CrCp*2][TCNE] are reported herein. Near-zero field (H=150 mG) data indicates a ferromagnetic transition with Tc=3.65 K. The temperature dependence below Tc can be fit to a mean-field result M=M0(1-T/Tc)1/2, and the data above Tc gives a critical exponent γ=1.2 for the dc magnetic susceptibility. Data at higher temperature indicates a strong 1-D ferromagnetic behavior. Magnetizations at different H and T at low temperature can be scaled to a universal function with M=f(H/T3.2). The reduction in Tc in [CrCp*2][TCNE] compared with [FeCp*2][TCNE] indicates a competition between the coupling constants and the residing spins.

Original languageEnglish (US)
Pages (from-to)5476-5478
Number of pages3
JournalJournal of Applied Physics
Issue number10
StatePublished - Dec 1 1993

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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    Zuo, F., Zane, S., Zhou, P., Epstein, A. J., McLean, R. S., & Miller, J. S. (1993). Ferromagnetic behavior of decamethylchromocenium tetracyanoethanide [CrCp2*][TCNE]. Journal of Applied Physics, 73(10), 5476-5478. https://doi.org/10.1063/1.353671