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Imaging magnetic structures of quasicrystal magnets using resonant coherent diffraction of circularly polarized X-rays

Abstract

Unraveling nanoscale spin structures has long been an imporant activity addressing various scientific interests, that are also readily adaptable to technological applications. This has invigorated the development of versatile nanoprobes suitable for imaging specimens in native conditions. Here we have demonstrated resonant coherent diffraction of an arificial quasicrystal nanomagnet with circularly polarized X-rays. Nanoscale magnetic structure was revealed from X-ray speckle patterns by comparing with micromagnetic simulatons, as a step toward understanding intricate relations between chemical and spin structures in an aperiodic quasicrystal lattice. Femtosecond X-ray pulses from free electron lasers are expected to immediately extend the current work to nanoscale structure investigations of ultrafast spin dynamics, surpassing the present spatio-temporal resolution.

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Publication details

The article was accepted on 11 Jun 2018 and first published on 12 Jun 2018


Article type: Paper
DOI: 10.1039/C8NR03733G
Citation: Nanoscale, 2018, Accepted Manuscript
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    Imaging magnetic structures of quasicrystal magnets using resonant coherent diffraction of circularly polarized X-rays

    D. Sung, C. Jung, B. Cho, W. Jo, H. Han, K. Lee, V. Bhat, B. Farmer, L. de Long, K. B. Lee, D. Keavney, D. R. Lee and C. Song, Nanoscale, 2018, Accepted Manuscript , DOI: 10.1039/C8NR03733G

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