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首页> 外文期刊>MRS bulletin >Organic-Based Magnets: Opportunities in Photoinduced Magnetism, Spintronics, Fractal Magnetism, and Beyond
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Organic-Based Magnets: Opportunities in Photoinduced Magnetism, Spintronics, Fractal Magnetism, and Beyond

机译：有机磁体：光致磁性，自旋电子学，分形磁性及其他领域的机会

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This article is based on a presentation on organic-based magnets given as part of Symposium X―Frontiers of Materials Research on December 4, 2002, at the 2002 Materials Research Society Fall Meeting in Boston. The advent of organic-based magnets opened the opportunity for tuning magnetic properties by molecular design and the discovery of new phenomena that rely on the internal structure of the molecules that make up these magnets. In the past 18 years, numerous classes of organic-based ferromagnets, ferrimagnets, and spin glasses (spins essentially frozen in place without long-range order) have been reported. These materials have magnetic ordering temperatures ranging from <1 K to above room temperature and demonstrate many of the magnetic properties associated with conventional magnets. This article concentrates on new phenomena that are unique to organic-based magnets. Three of these effects―"high-temperature" light-induced magnetism, spin-polarized magnetic organic semiconductors with the potential for spintronics, and the development of fractal magnetic order―are discussed to illustrate the richness of opportunity in organic-based magnets.
机译：本文基于2002年12月4日在波士顿2002材料研究协会秋季会议上作为X研讨会“材料研究前沿”的一部分而发表的有关有机基磁体的介绍。有机磁体的出现为通过分子设计和依赖于构成这些磁体的分子内部结构的新现象的发现调节磁性能提供了机会。在过去的18年中，已经报道了许多种类的有机基铁磁体，亚铁磁体和自旋玻璃（自旋基本上在没有远距离顺序的情况下冻结在原地）。这些材料的磁有序温度范围从<1 K到室温以上，并显示出许多与常规磁体相关的磁性能。本文着重于有机磁体独特的新现象。讨论了其中的三个效应，即“高温”光感应磁性，具有自旋电子学潜力的自旋极化磁性有机半导体以及分形磁阶的发展，以说明有机基磁体中的机会的丰富性。

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