A binuclear Fe(III)Dy(III) single molecule magnet. Quantum effects and models

Marilena Ferbinteanu, Takashi Kajiwara, Kwang Yong Choi, Hiroyuki Nojiri, Akio Nakamoto, Norimichi Kojima, Fanica Cimpoesu, Yuichi Fujimura, Shinya Takaishi, Masahiro Yamashita

研究成果: Article査読

234 被引用数 (Scopus)


The binuclear [FeIII(bpca)(μ-bpca)Dy(NO3)4], having Single Molecule Magnet (SMM) properties, belonging to a series of isostructural FeIIILnIII complexes (Ln = Eu, Gd, Tb, Dy, Ho) and closely related FeIILnIII chain structures, was characterized in concise experimental and theoretical respects. The low temperature magnetization data showed hysteresis and tunneling. The anomalous temperature dependence of Mössbauer spectra is related to the onset of magnetic order, consistent with the magnetization relaxation time scale resulting from AC susceptibility measurements. The advanced ab initio calculations (CASSCF and spin-orbit) revealed the interplay of ligand field, spin-orbit, and exchange effects and probed the effective Ising nature of the lowest states, involved in the SMM and tunneling effects.

ジャーナルJournal of the American Chemical Society
出版ステータスPublished - 2006 7 19

ASJC Scopus subject areas

  • Catalysis
  • Chemistry(all)
  • Biochemistry
  • Colloid and Surface Chemistry

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