A slow relaxing species for molecular spin devices: EPR characterization of static and dynamic magnetic properties of a nitronyl nitroxide radical

A. Collauto; M. Mannini; L. Sorace

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A slow relaxing species for molecular spin devices: EPR characterization of static and dynamic magnetic properties of a nitronyl nitroxide radical

机译：分子自旋装置的慢弛豫物种：乙炔基氮氧化物自由基的静态和动态磁性能的EPR表征

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Nitronyl nitroxides (NitR) are a family of persistent radicals widely used in molecular magnetism and recently suggested as potential candidates for spintronic applications. In this paper we characterize by X- and W- band Electron Paramagnetic Resonance (EPR) spectroscopy the new radical S-4-(nitronyl nitroxide) benzyl ethanethioate (NitSAc) designed for assembling on Au surfaces. We determined the radical magnetic tensors and studied by X-band pulse EPR its spin relaxation behaviour in fluid and glassy solutions of toluene. A comparison with the well known nitroxide 3-carbamoyl-2,2,5,5-tetramethyl-3-pyrrolin-l-oxyl (CTPO) is afforded. The advantages of using NitSAc in technological applications are discussed on the basis of the slow spin relaxation demonstrated by this study.

机译：硝基氧化亚氮（NitR）是广泛用于分子磁性的持久性自由基家族，最近被建议作为自旋电子学应用的潜在候选者。在本文中，我们通过X波段和W波段电子顺磁共振（EPR）光谱表征了专为在Au表面组装而设计的新型自由基S-4-（亚硝酰基硝化）苄基乙硫醇酸酯（NitSAc）。我们确定了自由基磁张量，并通过X带脉冲EPR研究了其在甲苯的液体和玻璃状溶液中的自旋弛豫行为。与已知的氮氧化物3-氨基甲酰基-2,2,5,5-四甲基-3-吡咯啉-1-氧基（CTPO）进行了比较。在这项研究证明的慢自旋弛豫的基础上，讨论了在技术应用中使用NitSAc的优势。

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《Journal of Materials Chemistry: An Interdisciplinary Journal dealing with Synthesis, Structures, Properties and Applications of Materials, Particulary Those Associated with Advanced Technology》 |2012年第41期|共10页
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A. Collauto; M. Mannini; L. Sorace;
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1. A slow relaxing species for molecular spin devices: EPR characterization of static and dynamic magnetic properties of a nitronyl nitroxide radical [J] . A. Collauto, M. Mannini, L. Sorace Journal of Materials Chemistry: An Interdisciplinary Journal dealing with Synthesis, Structures, Properties and Applications of Materials, Particulary Those Associated with Advanced Technology . 2012,第41期

机译：分子自旋装置的慢弛豫物种：乙炔基氮氧化物自由基的静态和动态磁性能的EPR表征
2. Smooth transition between SMM and SCM-type slow relaxing dynamics for a 1-D assemblage of {Dy(nitronyl nitroxide)_2} units [J] . Ruina Liu, Licun Li, Xiaoling Wang, Chemical Communications . 2010,第15期

机译：{Dy（亚硝酰基氮氧化物）_2}单元的一维组装过程中SMM和SCM型慢弛豫动力学之间的平滑过渡
3. Synthesis of a series of hetero- multi- spin Ln2Cu3 complexes based on a methyl- pyrazole nitronyl nitroxide radical with slow magnetic relaxation behaviors [J] . Shi Jian Yun, Chen Peng Yun, Wu Ming Ze, Dalton transactions: An international journal of inorganic chemistry . 2019,第25期

机译：基于慢磁性松弛行为的甲基吡唑氮氮氮氧化物基于甲基吡唑氮硝基氮氧化物的合成
4. A perspective on slow-relaxing molecular magnets built from rare-earths and nitronyl-nitroxide building blocks (invited) [C] . Lapo Bogani Annual Conference on Magnetism Magnetic Materials . 2011

机译：从稀土和硝基 - 硝基氧化物构建块（邀请）构建的缓慢放松分子磁铁的角度
5. I. Theoretical investigations of spin-spin interactions: Semiempirical estimations of exchange parameters for diradical metalloporphyrin cations and zero-field splitting parameters for conjugated diradicals. II. Synthesis and characterization of radical-substituted metalloporphyrins: Precursors for potential molecular magnetic building blocks. [D] . Sandberg, Kay Aycock. 1998

机译：一，自旋-自旋相互作用的理论研究：双自由基金属卟啉阳离子交换参数和共轭双自由基零场分裂参数的半经验估计。二。自由基取代的金属卟啉的合成与表征：潜在分子磁性构件的前体。
6. 13-Alternate calix4arene nitronyl nitroxide tetraradical and diradical: synthesis X-ray crystallography paramagnetic NMR spectroscopy EPR spectroscopy and magnetic studies [O] . Andrzej Rajca, Maren Pink, Sumit Mukherjee, -1

机译：13-交替杯4芳烃亚硝酰氮四自由基和双自由基：合成X射线晶体学顺磁NMR光谱EPR光谱和磁性研究
7. A New Quinoxalinyl-Substituted Nitronyl Nitroxide Radical and its Five-Spin Cu-II and Four-Spin Mn-II Complexes: Syntheses, Crystal Structures, and Magnetic Properties [O] . Wang Chao, Ma Yue, Wang Yali, 2012

机译：一种新的喹喔啉基取代的一氧化氮亚硝基自由基及其五旋Cu-II和四旋Mn-II配合物：合成，晶体结构和磁性
8. Characterization of Starburst Dendrimers by Electron Paramagnetic Resonance. 2.Positively Charged Nitroxide Radicals or Variable Chain Length Used as Spin Probes [R] . Ottaviani, M. F., Cossu, E., Turro, N. J., 1995

机译：用电子顺磁共振表征星爆树枝状大分子。 2.正电荷氮氧自由基或可变链长用作自旋探针

A slow relaxing species for molecular spin devices: EPR characterization of static and dynamic magnetic properties of a nitronyl nitroxide radical

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