Ferro-orbital ordering transition in iron telluride Fe${}_{1+y}$Te

David Fobes, Igor A. Zaliznyak, Zhijun Xu +8

Fe${}_{1+y}$Te with $y\lesssim 0.05$ exhibits a first-order phase transition on cooling to a state with a lowered structural symmetry, bicollinear antiferromagnetic order, and metal…