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Curvature induced magnonic crystal in nanowires

by Anastasiia Korniienko, Volodymyr P. Kravchuk, Oleksandr V. Pylypovskyi, Denis D. Sheka, Jeroen van den Brink, Yuri Gaididei

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Submission summary

Authors (as registered SciPost users): Volodymyr Kravchuk · Oleksandr Pylypovskyi · Denis Sheka · Jeroen van den Brink
Submission information
Preprint Link:  (pdf)
Date accepted: 2019-09-13
Date submitted: 2019-07-30 02:00
Submitted by: Kravchuk, Volodymyr
Submitted to: SciPost Physics
Ontological classification
Academic field: Physics
  • Condensed Matter Physics - Theory
  • Condensed Matter Physics - Computational
Approach: Theoretical


A new type of magnonic crystals, curvature induced ones, is realized in ferromagnetic nanowires with periodically deformed shape. A magnon band structure of such crystal is fully determined by its curvature: the developed theory is well confirmed by simulations. An application to nanoscale spintronic devices with the geometrically tunable parameters is proposed, namely, to filter elements.

Published as SciPost Phys. 7, 035 (2019)

Reports on this Submission

Anonymous Report 1 on 2019-9-10 (Invited Report)

  • Cite as: Anonymous, Report on arXiv:1905.07795v2, delivered 2019-09-10, doi: 10.21468/SciPost.Report.1162


The paper "Curvature induced magnonic crystal in nanowires" by Anastasiia Korniienko et al develops the elegant idea of geometricalally induced effects in magnetism, particularly flexomagnetism, i.e. the symmetry breaking caused by bending of magnetic material. The authors argue that meander-shape wire should act as a magnonic crystal.
The paper conmprise essential and interesting physics, I have only minor remarks:
In the figure 3 caption there is a misprint: "ate" instead of "are"
In the page 9, bottom "where nu ( N" is irrelevant for the formula that do not contain any nu, it is better to place this explanation after the formula for deltaOmega in the next line.

  • validity: high
  • significance: high
  • originality: high
  • clarity: high
  • formatting: excellent
  • grammar: excellent

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Volodymyr Kravchuk  on 2019-09-12  [id 601]

We thank the Reviewer for the positive report. Naturally, we will fix all the misprints.