Bi layer properties in the Bi-FeNi GMR-type structures probed by spectroscopic ellipsometry

Natalia Kovaleva, Dagmar Chvostova, Ladislav Fekete +1

Bismuth (Bi) having a large atomic number is characterized by the strong spin-orbit coupling (SOC) and is a parent compound of many 3D topological insulators (TIs). The ultrathin B…