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Area of Science:

  • Condensed Matter Physics
  • Materials Science
  • Nanotechnology

Background:

  • Skyrmions and bimerons are topological spin textures crucial for advanced computing.
  • Transforming between these states is essential for computing architectures using diverse topological bits.

Purpose of the Study:

  • To demonstrate the creation of isolated skyrmions and their transformation into bimerons.
  • To investigate the reversibility and control mechanisms of skyrmion-bimeron transformations.
  • To explore potential applications in information processing.

Main Methods:

  • Utilized electric current-induced Oersted fields for spin texture manipulation.
  • Employed temperature-induced perpendicular magnetic anisotropy variations.
  • Observed intermediate states like deformed skyrmion bubbles and chiral labyrinth domains.

Main Results:

  • Successfully created isolated skyrmions and transformed them into bimerons.
  • Demonstrated reversible skyrmion-bimeron transformation controlled by current amplitude and scanning direction.
  • Achieved creation of both skyrmions and bimerons within the same system via transformation and magnetization switching.

Conclusions:

  • The study presents a novel method for interconverting topological spin textures (skyrmions and bimerons).
  • This reversible transformation, controlled by electrical and thermal stimuli, offers a pathway for advanced information processing.
  • The findings pave the way for developing devices that utilize multiple topological spin textures simultaneously.