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Thermally assisted all-optical helicity dependent switching of ferrimagnetic amorphous Fe_(100-x)Tb_x thin films

机译:热辅助的全光螺旋依赖性切换的铁磁性无定形Fe_(100-x)Tb_x薄膜

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We observe all-optical switching (AOS) in ferrimagnetic Fe_(100-x)Tb_x alloy films below, above, and in samples without a magnetic compensation point. AOS is linked to a low remanent magnetization M_R and associated with laser heating up to the Curie temperature. Above M_R = 220 emu/cc AOS is replaced by pure thermal demagnetization.
机译:我们观察在下面的Ferrimagnetic Fe_(100-x)Tb_x合金膜中的全光开关(AO),以及在没有磁性补偿点的情况下的样品中。 AOS与低倒熔磁化M_R相关联,并与激光加热至居里温度相关联。以上M_R = 220 EMU / CC AOS被纯热退磁所取代。

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