Monolayer M2WS4 altermagnets are predicted to show a giant piezomagnetic effect under axial stress and a piezoelectric effect under diagonal stress, selected by which symmetry the strain breaks.
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Alter-Piezoresponse in Two-Dimensional Lieb-Lattice Altermagnets
Monolayer M2WS4 altermagnets are predicted to show a giant piezomagnetic effect under axial stress and a piezoelectric effect under diagonal stress, selected by which symmetry the strain breaks.