Magnetic structures, spin-flop transition, and coupling of Eu and Mn magnetism in the Dirac semimetal <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:msub><mml:mrow><mml:mi>EuMnBi</mml:mi></mml:mrow><mml:mn>2</mml:mn></mml:msub></mml:math>
Physical review research