Dynamic Magnetic Susceptibility Method in Studies of Coordination Compounds

IF 16.4 1区化学 Q1 CHEMISTRY, MULTIDISCIPLINARY

Accounts of Chemical Research Pub Date : 2024-08-15 DOI:10.1134/S1070328424600141

N. N. Efimov, K. A. Babeshkin, A. V. Rotov

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Abstract

The measurement of the dynamic magnetic susceptibility is a universal method, which is used for the evaluation of magnetic properties of single molecule magnets by scientists all over the world. An information in the Russian scientific literature that can be useful for practical mastering of this method is presently insufficient. To fill this gap, in this work we present a detailed procedure of a magnetochemical experiment for observing slow magnetic relaxation in coordination compounds of 3d- and 4f-element ions and the complete characterization of the dynamics of the magnetic behavior. Special attention is given to usually omitted but important details related to all stages of studying the magnetic relaxation dynamics. The main variants of sample preparation are described, the logics of the construction of a measuring sequence and the procedure of experimental data processing are discussed, and advantages and drawbacks of some programs of the calculation of magnetic relaxation dynamics data are considered. The main concepts and equations used in experimental data analysis are presented, and the primary conclusions that can be made from the obtained results are proposed.

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配位化合物研究中的动态磁感应强度法

摘要动态磁感应强度测量是一种通用方法，全世界的科学家都用它来评估单分子磁体的磁性能。目前，俄罗斯科学文献中有助于实际掌握这种方法的信息还很缺乏。为了填补这一空白，我们在本研究中介绍了观察 3d 和 4f 元素离子配位化合物中缓慢磁弛豫的磁化学实验的详细过程，以及磁行为动态的完整特征。我们特别关注了与磁弛豫动力学研究各个阶段相关的通常被忽略但却很重要的细节。书中描述了样品制备的主要变体，讨论了构建测量序列和实验数据处理程序的逻辑，并考虑了一些磁弛豫动力学数据计算程序的优点和缺点。介绍了实验数据分析中使用的主要概念和方程，并提出了从获得的结果中可以得出的主要结论。

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来源期刊

Accounts of Chemical Research 化学-化学综合

CiteScore

31.40

自引率

1.10%

发文量

312

审稿时长

2 months

期刊介绍： Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance. Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.