Magnetocrystalline anisotropy and three-dimensional hopping conduction at the surface of FeSb2RemoveJarryd A. Horn, Yun Suk Eo, Keenan Avers, Hyeok Yoon, Ryan G. Dorman, Shanta R. Saha, and Johnpierre PaglionePhys. Rev. B 113, 125142 (2026)