A Binuclear Fe(III)Dy(III) Single Molecule Magnet. Quantum Effects and Models
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- Marilena Ferbinteanu
- Department of Chemistry, Graduate School of Science, Tohoku University, Aramaki, Aoba-ku, Sendai 980-8578, Japan, Institute for Materials Research, Tohoku University, Katahira 2-1-1, Sendai 980-8577, Japan, Department of Basic Science, Graduate School of Arts and Sciences, The University of Tokyo, Komaba, Meguro-ku, Tokyo 113-8654, Japan, and CREST, Japan Science and Technology Agency (JST), Japan
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- Takashi Kajiwara
- Department of Chemistry, Graduate School of Science, Tohoku University, Aramaki, Aoba-ku, Sendai 980-8578, Japan, Institute for Materials Research, Tohoku University, Katahira 2-1-1, Sendai 980-8577, Japan, Department of Basic Science, Graduate School of Arts and Sciences, The University of Tokyo, Komaba, Meguro-ku, Tokyo 113-8654, Japan, and CREST, Japan Science and Technology Agency (JST), Japan
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- Kwang-Yong Choi
- Department of Chemistry, Graduate School of Science, Tohoku University, Aramaki, Aoba-ku, Sendai 980-8578, Japan, Institute for Materials Research, Tohoku University, Katahira 2-1-1, Sendai 980-8577, Japan, Department of Basic Science, Graduate School of Arts and Sciences, The University of Tokyo, Komaba, Meguro-ku, Tokyo 113-8654, Japan, and CREST, Japan Science and Technology Agency (JST), Japan
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- Hiroyuki Nojiri
- Department of Chemistry, Graduate School of Science, Tohoku University, Aramaki, Aoba-ku, Sendai 980-8578, Japan, Institute for Materials Research, Tohoku University, Katahira 2-1-1, Sendai 980-8577, Japan, Department of Basic Science, Graduate School of Arts and Sciences, The University of Tokyo, Komaba, Meguro-ku, Tokyo 113-8654, Japan, and CREST, Japan Science and Technology Agency (JST), Japan
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- Akio Nakamoto
- Department of Chemistry, Graduate School of Science, Tohoku University, Aramaki, Aoba-ku, Sendai 980-8578, Japan, Institute for Materials Research, Tohoku University, Katahira 2-1-1, Sendai 980-8577, Japan, Department of Basic Science, Graduate School of Arts and Sciences, The University of Tokyo, Komaba, Meguro-ku, Tokyo 113-8654, Japan, and CREST, Japan Science and Technology Agency (JST), Japan
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- Norimichi Kojima
- Department of Chemistry, Graduate School of Science, Tohoku University, Aramaki, Aoba-ku, Sendai 980-8578, Japan, Institute for Materials Research, Tohoku University, Katahira 2-1-1, Sendai 980-8577, Japan, Department of Basic Science, Graduate School of Arts and Sciences, The University of Tokyo, Komaba, Meguro-ku, Tokyo 113-8654, Japan, and CREST, Japan Science and Technology Agency (JST), Japan
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- Fanica Cimpoesu
- Department of Chemistry, Graduate School of Science, Tohoku University, Aramaki, Aoba-ku, Sendai 980-8578, Japan, Institute for Materials Research, Tohoku University, Katahira 2-1-1, Sendai 980-8577, Japan, Department of Basic Science, Graduate School of Arts and Sciences, The University of Tokyo, Komaba, Meguro-ku, Tokyo 113-8654, Japan, and CREST, Japan Science and Technology Agency (JST), Japan
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- Yuichi Fujimura
- Department of Chemistry, Graduate School of Science, Tohoku University, Aramaki, Aoba-ku, Sendai 980-8578, Japan, Institute for Materials Research, Tohoku University, Katahira 2-1-1, Sendai 980-8577, Japan, Department of Basic Science, Graduate School of Arts and Sciences, The University of Tokyo, Komaba, Meguro-ku, Tokyo 113-8654, Japan, and CREST, Japan Science and Technology Agency (JST), Japan
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- Shinya Takaishi
- Department of Chemistry, Graduate School of Science, Tohoku University, Aramaki, Aoba-ku, Sendai 980-8578, Japan, Institute for Materials Research, Tohoku University, Katahira 2-1-1, Sendai 980-8577, Japan, Department of Basic Science, Graduate School of Arts and Sciences, The University of Tokyo, Komaba, Meguro-ku, Tokyo 113-8654, Japan, and CREST, Japan Science and Technology Agency (JST), Japan
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- Masahiro Yamashita
- Department of Chemistry, Graduate School of Science, Tohoku University, Aramaki, Aoba-ku, Sendai 980-8578, Japan, Institute for Materials Research, Tohoku University, Katahira 2-1-1, Sendai 980-8577, Japan, Department of Basic Science, Graduate School of Arts and Sciences, The University of Tokyo, Komaba, Meguro-ku, Tokyo 113-8654, Japan, and CREST, Japan Science and Technology Agency (JST), Japan
書誌事項
- 公開日
- 2006-06-22
- DOI
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- 10.1021/ja062399i
- 公開者
- American Chemical Society (ACS)
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説明
The binuclear [FeIII(bpca)(mu-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.
収録刊行物
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- Journal of the American Chemical Society
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Journal of the American Chemical Society 128 (28), 9008-9009, 2006-06-22
American Chemical Society (ACS)
