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Article Dans Une Revue Journal of the American Chemical Society Année : 2015

Cyanide Single-Molecule Magnets Exhibiting Solvent Dependent Reversible “On” and “Off” Exchange Bias Behavior

Rodolphe Clérac

Résumé

The syntheses, structures, and magnetic properties of four new complex salts, (PPN){[MnIII(salphen)(MeOH)]2[MIII(CN)6]}·7MeOH (Mn2M·7MeOH) (M = Fe, Ru, Os and Co; PPN+ = bis(triphenylphosphoranylidene)ammonium cation; H2salphen = N,N′-bis(salicylidene)-1,2-diaminobenzene), and a mixed metal Co/Os analogue (PPN){[MnIII(salphen)(MeOH)]2[CoIII0.92OsIII0.08(CN)6]}·7MeOH were undertaken. It was found that all compounds exhibit switchable single-molecule magnet (SMM) and exchange-bias behavior depending on the interstitial methanol content. The pristine (PPN)- {[Mn(salphen)(MeOH)]2[Os(CN)6]}·7MeOH (Mn2Os·7MeOH) behaves as an SMM with an effective barrier for the magnetization reversal,...

Domaines

Matériaux
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Dates et versions

hal-01230920 , version 1 (19-11-2015)

Identifiants

Citer

Dawid Pinkowicz, Heather I. Southerland, Carolina Avendaño, Andrey Prosvirin, Codi Sanders, et al.. Cyanide Single-Molecule Magnets Exhibiting Solvent Dependent Reversible “On” and “Off” Exchange Bias Behavior. Journal of the American Chemical Society, 2015, 137 (45), pp.14406-14422. ⟨10.1021/jacs.5b09378⟩. ⟨hal-01230920⟩
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