Reorientation of the bicollinear antiferromagnetic structure at the surface of Fe${}_{1+y}$Te bulk and thin films

Torben Hänke, Udai Raj Singh, Lasse Cornils +10

Establishing the relation between the ubiquitous antiferromagnetism in the non-superconducting parent compounds of unconventional superconductors and their superconducting phase is…