Journal
PHYSICAL REVIEW LETTERS
Volume 120, Issue 3, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.120.037202
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Funding
- European Union Grant FLAG-ERA SoGraph [ANR-15-GRFL-0005]
- European Union Grant MAGicSky [FET-634 Open-665095]
- Agence Nationale de la Recherche (ANR) [ANR-15-GRFL-0005] Funding Source: Agence Nationale de la Recherche (ANR)
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Chirality in condensed matter has recently become a topic of the utmost importance because of its significant role in the understanding and mastering of a large variety of new fundamental physical mechanisms. Versatile experimental approaches, capable to reveal easily the exact winding of order parameters, are therefore essential. Here we report x-ray resonant magnetic scattering as a straightforward tool to reveal directly the properties of chiral magnetic systems. We show that it can straightforwardly and unambiguously determine the main characteristics of chiral magnetic distributions: i.e., its chiral nature, the quantitative winding sense (clockwise or counterclockwise), and its type, i.e., Neel [cycloidal] or Bloch [helical]. This method is model independent, does not require a priori knowledge of the magnetic parameters, and can be applied to any system with magnetic domains ranging from a few nanometers (wavelength limited) to several microns. By using prototypical multilayers with tailored magnetic chiralities driven by spin-orbit-related effects at Co vertical bar Pt interfaces, we illustrate the strength of this method.
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