强碳笼对 Dy-Sc 氮化物团簇富勒烯中单分子磁体的影响。
Strong carbon cage influence on the single molecule magnetism in Dy-Sc nitride clusterfullerenes.
机构信息
Leibniz Institute for Solid State and Materials Research (IFW), D-01069 Dresden, Germany.
Physik-Institut der Universität Zürich, Winterthurerstr. 190, CH-8057 Zürich, Switzerland.
出版信息
Chem Commun (Camb). 2018 Aug 28;54(70):9730-9733. doi: 10.1039/c8cc05029e.
Abstract
Magnetic properties of endohedral metallofullerenes with nitride clusters DySc2N and Dy2ScN and different carbon cages are studied by SQUID magnetometry. All molecules behave as single molecule magnets (SMMs) and exhibit magnetic hysteresis. It is found that the blocking temperature of magnetization and relaxation times strongly depend on the fullerene cage, with the C80-Ih isomer offering the best SMM properties.
摘要
通过 SQUID 磁强计研究了具有氮化物团簇 DySc2N 和 Dy2ScN 以及不同碳笼的内包金属富勒烯的磁性。所有分子都表现为单分子磁体 (SMM) 并表现出磁滞现象。研究发现，磁化的阻塞温度和弛豫时间强烈依赖于富勒烯笼，其中 C80-Ih 异构体提供了最佳的 SMM 性质。
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