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J. Grefe

3 papers

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papers

Publications (3)

cond-mat.str-el2025

Cubic magnetic anisotropy in B20 magnets: Interplay of anisotropy and magnetic order in Fe1−x​Cox​Si

G. Gödecke, A. O. Leonov, J. Grefe +2

The metallic systems MnSi and Fe1−x​Cox​Si are known to feature a generic magnetic phase diagram primarily determined by the isotropic exchange and Dzyaloshinskii-Moriya in…

cond-mat.mes-hall2025

Low-Temperature Skyrmions and Spiral Reorientation Processes in Chiral Magnets with Cubic Anisotropy: Guidelines for Bridging Theory and Experiment

A. O. Leonov, G. Gödecke, J. Grefe +2

We revisit the phenomenological Dzyaloshinskii framework, a central theoretical approach for describing magnetization processes in bulk chiral magnets, and demonstrate how magnetoc…

cond-mat.str-el2023

Near coincidence of metal-insulator transition and quantum critical fluctuations: Electronic ground state and magnetic order in Fe1−x​Cox​Si

J. Grefe, P. Herre, Y. Hilgers +7

We present a detailed study of the electronic and magnetic ground state properties of Fe1−x​Cox​Si using a combination of macroscopic and microscopic experimental technique…

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