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Hierarchical self-assembly of supramolecular spintronic modules into 1D-and 2D-architectures with emergence of magnetic properties

机译:超分子自旋电子模块的分层自组装成具有磁性的一维和二维结构

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摘要

Hierarchical self-assembly of complex supramolecular architectures allows for the emergence of novel properties at each level of complexity. The reaction of the ligand components A and B with Fe-II cations generates the [2 x 2] grid-type functional building modules 1 and 2, presenting spin-transition properties and preorganizing an array of coordination sites that sets the stage for a second assembly step. Indeed, binding of La-III ions to 1 and of Ag-I ions to 2 leads to a 1D columnar superstructure 3 and to a wall-like 2D layer 4, respectively, with concomitant modulation of the magnetic properties of 1 and 2. Thus, to each of the two levels of structural complexity generated by the two sequential self-assembly steps corresponds the emergence of novel functional features.
机译:复杂的超分子体系结构的分层自组装允许在每个复杂性级别出现新的属性。配体组分A和B与Fe-II阳离子的反应生成[2 x 2]网格型功能构建模块1和2,具有自旋转变性质并预组织了一系列协调位点,为第二步奠定了基础组装步骤。实际上,La-III离子与1的结合以及Ag-I离子与2的结合分别导致1D柱状上部结构3和壁状2D层4,同时伴随着对1和2磁性能的调节。与两个连续的自组装步骤所产生的结构复杂性的两个级别中的每个级别相对应,出现了新颖的功能部件。

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