Development of novel magnets made of ubiquitous elements

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Recently, organic radicals made of ubiquitous elements have attracted much interest as next-generation magnetic materials because they are rich in variety and designability and are environmentally friendly materials. In this project, we have developed new organic radical species exhibiting strong magnetic interactions between neighboring molecules. We have also made precise magnetic measurements at low temperature and in magnetic fields and studied the relation between the molecular packing and the magnetic interactions. We have got new insight into the effect of the spin-density distribution on the magnetic interactions.