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首页> 外文期刊>Polyhedron: The International Journal for Inorganic and Organometallic Chemistry >Single-component ferrimagnetics: triplet-doublet composite molecules as constittuents of purely organic molecule-based ferrimagnets
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Single-component ferrimagnetics: triplet-doublet composite molecules as constittuents of purely organic molecule-based ferrimagnets

机译：单组分亚铁磁：三重态-双重态复合分子，作为纯有机分子基铁氧体的组成

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摘要

Three kinds of organic triradicals consisting of a nitronyl nitroxide biradical with S = 1 and nitroxide or intronyl nitroxide monoradicals with S = 1/2 were synthesized by the esterification of corresponding phenol and carboxylic acid derivatives. Thse triradicals are model molecules for single-component organic ferrimagnetics. It was found from the solution ESR spectra of the triradicals that the time-averaged intramolecular exchange interactions between the S = 1 and S = 1/2 moieties were much weaker thanthat within the S = 1 moiety and their magnitudes were in the order of 10 mK. These results indicate that the triradicals have the potential to be building blocks of single-component organic molecule-based ferrimagnetics.
机译：通过将相应的苯酚和羧酸衍生物进行酯化反应，合成了三种有机三自由基，分别由S = 1的亚硝酰基硝基氧和S = 1/2的亚硝酰基或内酯基氮氧自由基组成。这些三基是单组分有机亚铁磁的模型分子。从三基团的溶液ESR光谱中发现，S = 1和S = 1/2部分之间的时均分子内交换相互作用比S = 1部分内的时间平均分子内交换相互作用弱得多，并且其幅度约为10米这些结果表明，三基自由基有可能成为基于单组分有机分子的亚铁磁的基础。

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