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Discovery of Magnetic Antiskyrmions Beyond Room Temperature in Tetragonal Heusler Materials
Ajaya K. Nayak, Vivek Kumar, Peter Werner +6
Skyrmions, topologically stable spin textures, are of great interest for new generations of spintronic devices. In general, the stabilization of skyrmions has been achieved in syst…
Long period helical structures and twist-grain boundary phases induced by non magnetic ion doping in Mn(Co,Rh)Ge chiral magnet
N. Martin, M. Deutsch, G. Chaboussant +6
We study the evolution of helical magnetism in MnGe chiral magnet upon partial substitution of Mn for non magnetic 3d-Co and 4d-Rh ions. At high doping levels, we observe spin heli…
Modulations in martensitic Heusler alloys originate from nanotwin ordering
Markus E. Gruner, Robert Niemann, Peter Entel +4
Heusler alloys exhibiting magnetic and martensitic transitions enable applications like magnetocaloric refrigeration and actuation based on the magnetic shape memory effect. Their…
Nucleation and growth of hierarchical martensite in epitaxial shape memory films
Robert Niemann, Anja Backen, Sandra Kauffmann-Weiss +7
Shape memory alloys often show a complex hierarchical morphology in the martensitic state. To understand the formation of this twin-within-twins microstructure, we examine epitaxia…