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Title: Spin Ice: Magnetic Excitations without Monopole Signatures Using Muon Spin Rotation
PAR ID:
10002333
Author(s) / Creator(s):
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Publisher / Repository:
American Physical Society
Date Published:
Journal Name:
Physical Review Letters
Volume:
107
Issue:
20
ISSN:
0031-9007
Format(s):
Medium: X
Sponsoring Org:
National Science Foundation
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  1. Abstract

    Stabilization of topological spin textures in layered magnets has the potential to drive the development of advanced low-dimensional spintronics devices. However, achieving reliable and flexible manipulation of the topological spin textures beyond skyrmion in a two-dimensional magnet system remains challenging. Here, we demonstrate the introduction of magnetic iron atoms between the van der Waals gap of a layered magnet, Fe3GaTe2, to modify local anisotropic magnetic interactions. Consequently, we present direct observations of the order-disorder skyrmion lattices transition. In addition, non-trivial topological solitons, such as skyrmioniums and skyrmion bags, are realized at room temperature. Our work highlights the influence of random spin control of non-trivial topological spin textures.

     
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