Slow Relaxation of the Magnetization of an MnIII Single Ion
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A MnIII-salen-type complex with a diamagnetic [CoIII(CN)6]3– moiety, [MnIII(5-TMAM(R)-salmen)(H2O)CoIII(CN)6]·7H2O·MeCN [1; 5-TMAM(R)-salmen = (R)-N,N′-(1-methylethylene)bis(5-trimethylammoniomethylsalicylideneiminate], was prepared. From direct-current magnetic susceptibilities, magnetization, and high-field and multifrequency electronic spin resonance measurements on powdered samples, 1 has a significant uniaxial anisotropy. Frequency-dependent alternating-current susceptibility signals were clearly observed, indicating slow magnetic relaxation. Thus, complex 1 behaves as a single-ion magnet.
创建时间：
2016-02-19
