Optical transmission modulation by disk-shaped ferromagnetic particles
作者： E. A. Vitol , V. G. Yefremenko , S. Jain , J. Pearson , E. A. Rozhkova
DOI: 10.1063/1.3679567
关键词:
摘要: Lithographically defined iron-nickel disks 1 micron in diameter and 60 nm thickness with a spin-vortex ground state are used to achieve magnetic field-driven light modulation by passing the through an aqueous solution of controlled orientations. We demonstrate significant improvement accessible frequency over Hz single modulating field up kHz alternating (ac) bi-directional field.
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