Stability of Skyrmion Bubbles in NdMn2Ge2
Author Information
Author(s): Treves Samuel K., Ukleev Victor, Apseros Andreas, Massey Jamie Robert, Wagner Kai, Lehmann Paul, Kitaori Aki, Kanazawa Naoya, Brock Jeffrey A., Finizio Simone, Reuteler Joakim, Tokura Yoshinori, Maletinsky Patrick, Scagnoli Valerio
Primary Institution: Department of Physics, University of Basel, Switzerland
Hypothesis
Can NdMn2Ge2 host stable skyrmion bubbles at room temperature without an external magnetic field?
Conclusion
The study confirms that NdMn2Ge2 can host stable skyrmion bubbles at room temperature without a magnetic field, which are robust against temperature changes.
Supporting Evidence
- Skyrmion bubbles were confirmed to exist at room temperature using X-ray microscopy.
- The stability of skyrmion bubbles was tested under varying magnetic field strengths.
- Micromagnetic simulations matched the experimental observations without requiring Dzyaloshinskii-Moriya interaction.
Takeaway
This study shows that a special material can keep tiny magnetic bubbles stable even when it's warm and without needing a magnet.
Methodology
The study used X-ray microscopy and nitrogen-vacancy nanoscale magnetic imaging to investigate skyrmion bubbles in NdMn2Ge2.
Limitations
The exact mechanism for the stabilization of skyrmion bubbles remains unclear.
Digital Object Identifier (DOI)
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