A chiral link between structure and magnetism in MnSi.
We consider crystal and magnetic chiral structures for MnSi and isostructural metal silicides, where a complete set of structural and magnetic measurements allows us to define both magnetic and structural chiral configurations. We show that magnetic symmetry inherits chirality from the crystal structure. We derive, with emphasis on symmetry arguments, a new type of magneto-structural relation, namely a symmetrized coupling between structural and magnetic chiralities that provides a structural control on the magnetic chirality.
Swiss-Norwegian Beamlines at ESRF, BP 220, Grenoble, F-38043, France. dmitriev@esrf.fr
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Dmitriev
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Chernyshov
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Grigoriev
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Dyadkin