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A magnetically ordered state of carbon based on polymerized fullerene C_(60)

机译:基于聚合富勒烯C_(60)的碳的磁有序态

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It was discovered in studying the evolution of carbon states that arise as a result of subjecting fullerite C_(60) to different pressures and temperatures that some high-pressure states realized near the thermal stability limit of the rhombohedral polymer phase of C_(60) at 6.0 GPa exhibit a behavior typical of ferromagnets. The present report discusses the results of measurements of the magnetic properties of such materials, whose Curie temperature is about 500 K. Since the content of magnetic impurities in the samples investigated is insufficient to explain the observed value of saturation magnetization, it is assumed that the ferromagnetic behavior of the samples is caused by a magnetically ordered structure of carbon itself. Some of the possible types of such structures are discussed below.
机译:通过研究富勒石C_(60)在不同的压力和温度下产生的碳态的演变发现,一些高压态在C_(60)的菱形聚合物相的热稳定性极限附近实现了6.0 GPa表现出铁磁体的典型行为。本报告讨论了居里温度约为500 K的此类材料的磁性能的测量结果。由于所研究样品中的磁性杂质含量不足以解释饱和磁化强度的观测值,因此假定样品的铁磁行为是由碳本身的磁有序结构引起的。这种结构的一些可能类型将在下面讨论。

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