Magnetic anisotropy of the single-crystalline ferromagnetic insulator Cr2Ge2Te6

2016/02/01 by Xiao Zhang, Yuelei Zhao, Qi Song +3 · 110 citations
Materials Science · Physics and Astronomy · #2D Materials and Applications #Anisotropy #Curie temperature #Ferromagnetism #Graphene research and applications #Insulator (electricity) #Magnetic anisotropy #Quantum anomalous Hall effect #Spintronics #Topological Materials and Phenomena #Topological insulator #cond-mat.mes-hall #cond-mat.mtrl-sci

paper · pdf · doi:10.7567/jjap.55.033001

published in Japanese Journal of Applied Physics 55(3), 033001 (Institute of Physics) · 12 pages, 4 figures

openalex publication_date 2016/02/01 · arxiv created 2016/02/04 · arxiv updated 2016/02/05 · openalex created_date 2016/06/24 · openalex updated_date 2026/08/05

Abstract

Abstract Cr 2 Ge 2 Te 6 (CGT), a layered ferromagnetic insulator, has attracted a great deal of interest recently owing to its potential for integration with Dirac materials to realize the quantum anomalous Hall effect (QAHE) and to develop novel spintronics devices. Here, we study the uniaxial magnetic anisotropy energy of single-crystalline CGT and determine that the magnetic easy axis is directed along the c -axis in its ferromagnetic phase. In addition, CGT is an insulator below the Curie temperature. These properties make CGT a potentially promising candidate substrate for integration with topological insulators for the realization of the high-temperature QAHE.

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