2019
DOI: 10.1103/physrevapplied.11.064010
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Enhanced Magneto-Optical Activities of Modulated Fe - Pt Multilayer Metamaterials

Abstract: We study optical and magneto-optical (MO) properties of epitaxially grown modulated Fe-Pt multilayer metamaterials by means of generalized MO ellipsometry (GME). Large Kerr rotation, ellipticity, and MO coupling parameters in the visible and near-infrared regions are obtained for modulated metamaterials, in which the stacking sequences follow an inverse Fibonacci series. In contrast, periodic multilayers show small MO parameters, although they otherwise exhibit magnetic and optical properties that are very sim… Show more

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Cited by 3 publications
(2 citation statements)
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“…Superlattices with a stacking sequence of ferromagneticmetal and noble-metal have been intensively studied for application to information storage technologies, for example, magnetic recording media, 1,2) magnetic random access memories, 3) and magneto-optical media. 4,5) These applications are relevant to superlattice's perpendicular magnetic anisotropy, which is caused by strong spin-orbit interaction in the noble-metal layers. 6,7) The spin-orbit interaction in magnetic superlattices is of great interest also from the viewpoint of time-varying magnetic metamaterials.…”
Section: Introductionmentioning
confidence: 99%
“…Superlattices with a stacking sequence of ferromagneticmetal and noble-metal have been intensively studied for application to information storage technologies, for example, magnetic recording media, 1,2) magnetic random access memories, 3) and magneto-optical media. 4,5) These applications are relevant to superlattice's perpendicular magnetic anisotropy, which is caused by strong spin-orbit interaction in the noble-metal layers. 6,7) The spin-orbit interaction in magnetic superlattices is of great interest also from the viewpoint of time-varying magnetic metamaterials.…”
Section: Introductionmentioning
confidence: 99%
“…Nanoscale metallic multilayered nanofilms have unique physical properties, especially when the periodic thickness (2 h ) decreases to the nanometer scale. This is because the microstructure of the multilayered nanofilms is much different from that of the corresponding bulk material, although they have the same material composition. This makes multilayered nanofilms an interesting nanomaterial for a multitude of applications, such as magnetic recording media, , radiation-tolerant nuclear material, ,, interfacial thermal resistance material, , corrosion resistance material, , and wear resistance material . Recently, there has been a strong interest in understanding the pronounced interfacial effects of heat transport processes in multilayers for their thermoelectric, thermionic, , and thermomagnetic applications, as well as thermal stability .…”
Section: Introductionmentioning
confidence: 99%