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Chemical and magnetic tuneability in structurally defined hetero-trimetallic dendrimers 认领 引用
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作者 Ingrid Suzana Susanne M.Rupf +5 位作者 Cédric Pécou Elodie Rousset A.K.Fazlur Rahman Bastian Klemke Valérie Marvaud Moritz Malischewski 《Inorganic Chemistry Frontiers》 SCIE EI CAS CSCD 2026年第5期1821-1828,共8页
The inaccessibility of magnetic dendrimers stems not only from the complexity of their synthesis but more critically from the challenge of crystallising dendritic structures.Magnetic architectures are difficult to dec... The inaccessibility of magnetic dendrimers stems not only from the complexity of their synthesis but more critically from the challenge of crystallising dendritic structures.Magnetic architectures are difficult to decipher without X-ray data considering magneto-structural correlations for the rational design of molecular magnets and better understanding of the physical and magnetic properties.Here,we report the synthesis and characterisation of a tuneable magnetic hetero-trimetallic dendrimer family,MLn3Co6,with Ln3+=La,Gd,Tb,Dy and M3+=Cr or Co.We present,for the first time,a hetero-trimetallic dendrimer with a fully resolved X-ray structure and direct mass spectrometry evidence,providing unprecedented insight into the structural and magnetic properties of metallo-dendrimers.Furthermore,the chemical flexibility enables the synthesis of species with distinct magnetic behaviours depending on the incorporated metal ions.The choice of spin carriers determines whether the system exhibits a high-spin molecule behaviour or slow relaxation of magnetisation. 展开更多
关键词 chemical tuneability magnetic dendrimers magnetic tuneability molecular magnets structurally defined hetero trimetallic dendrimers crystallising dendritic structuresmagnetic x ray structure magneto structural correlations
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