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Sign reversal of anomalous Hall conductivity and magnetoresistance in cubic noncollinear antiferromagnet <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:msub><mml:mi>Mn</mml:mi><mml:mn>3</mml:mn></mml:msub><mml:mi>Pt</mml:mi></mml:mrow></mml:math> thin films
The two-dimensional kagome spin lattice structure of Mn atoms in the family of ${\mathrm{Mn}}_{3}X$ noncollinear antiferromagnets are providing substantial excitement in the exploration of Berry-curvature physics and the associated nontrivial magnetotransport responses. Much of these studies are performed in the hexagonal systems, mainly ${\mathrm{Mn}}_{3}\mathrm{Sn}$ and ${\mathrm{Mn}}_{3}\mathrm{Ge}$ with the kagome planes …