Systematic Search and A New Family of Skyrmion Materials
Abstract
Magnetic skyrmions have recently attracted great attentions. However they are harbored in very limited numbers of magnets up to now. The search of new helimagnetic materials is thus an urgent topic in the field of skyrmion physics. In this letter, we provide a guideline on this issue, and discuss the possibility of realizing skyrmions in a new family of molybdenum nitrides A2Mo3N (A=Fe, Co, and Rh). By means of the first-principles calculations, the electronic and magnetic structures are calculated and the existence of strong Dzyaloshinskii-Moriya interaction is demonstrated.
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