Nanowerk March 28, 2024
Iron gallium telluride (Fe3GaTe2), a van der Waals ferromagnet, demonstrated intrinsic ferromagnetism above room temperature. An international team of researchers (USA – Lawrence Livermore National Laboratory, South Korea, China) revealed the electronic structure of Fe3GaTe2 in its ferromagnetic ground state establishing a consistent correspondence between the measured band structure and theoretical calculations, underscoring the significant contributions of the Heisenberg exchange interaction (Jex) and magnetic anisotropy energy to the development of the high-TC ferromagnetic ordering in Fe3GaTe2. They observed substantial modifications to these crucial driving factors through doping, which they attributed to alterations in multiple spin-splitting bands near the Fermi level. According to the researchers their findings provide valuable insights into the underlying electronic structure and its correlation with the emergence of high-TC ferromagnetic ordering in Fe3GaTe2… read more. TECHNICAL ARTICLE
Graphical abstract. Credit: Nano Lett. 2023, 23, 24, 11526–11532, December 11, 202