Skyrmions in a Doped Antiferromagnet
classification
❄️ cond-mat.str-el
cond-mat.other
keywords
magnetoresistanceskyrmionsantiferromagnetantiferromagneticassociatedbeenconsistentdependence
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Magnetization and magnetoresistance have been measured in insulating antiferromagnetic La_{2}Cu_{0.97}Li_{0.03}O_{4} over a wide range of temperatures, magnetic fields, and field orientations. The magnetoresistance step associated with a weak ferromagnetic transition exhibits a striking nonmonotonic temperature dependence, consistent with the presence of skyrmions.
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