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Topological Magnetic Phase in the Candidate Weyl Semimetal CeAlGe
Type of publication
Peer-reviewed
Publikationsform
Original article (peer-reviewed)
Author
Puphal Pascal, Pomjakushin Vladimir, Kanazawa Naoya, Ukleev Victor, Gawryluk Dariusz J., Ma Junzhang, Naamneh Muntaser, Plumb Nicholas C., Keller Lukas, Cubitt Robert, Pomjakushina Ekaterina, White Jonathan S.,
Project
Discovery and Nanoengineering of Novel Skyrmion-hosting Materials
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Original article (peer-reviewed)
Journal
Physical Review Letters
Volume (Issue)
124(1)
Page(s)
017202 - 017202
Title of proceedings
Physical Review Letters
DOI
10.1103/physrevlett.124.017202
Open Access
URL
http://doi.org/10.1103/PhysRevLett.124.017202
Type of Open Access
Publisher (Gold Open Access)
Abstract
We report the discovery of topological magnetism in the candidate magnetic Weyl semimetal CeAlGe. Using neutron scattering we find this system to host several incommensurate, square-coordinated multi-(k) over right arrow magnetic phases below T-N. The topological properties of a phase stable at intermediate magnetic fields parallel to the c axis are suggested by observation of a topological Hall effect. Our findings highlight CeAlGe as an exceptional system for exploiting the interplay between the nontrivial topologies of the magnetization in real space and Weyl nodes in momentum space.
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