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Issue 27, 2018
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Imaging the magnetic structures of artificial quasicrystal magnets using resonant coherent diffraction of circularly polarized X-rays

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Abstract

Unraveling nanoscale spin structures has long been an important 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 under native conditions. Here we have demonstrated the resonant coherent diffraction of an artificial quasicrystal magnet with circularly polarized X-rays. The nanoscale magnetic structure was revealed from X-ray speckle patterns by comparing with micromagnetic simulations, as a step toward understanding the intricate relationship between the 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.

Graphical abstract: Imaging the magnetic structures of artificial quasicrystal magnets using resonant coherent diffraction of circularly polarized X-rays

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Publication details

The article was received on 08 May 2018, accepted on 11 Jun 2018 and first published on 12 Jun 2018


Article type: Paper
DOI: 10.1039/C8NR03733G
Citation: Nanoscale, 2018,10, 13159-13164
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    Imaging the magnetic structures of artificial 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. E. De Long, K. B. Lee, D. J. Keavney, D. R. Lee and C. Song, Nanoscale, 2018, 10, 13159
    DOI: 10.1039/C8NR03733G

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