Spin freezing into a disordered state in CaFeT i2 O6 synthesized under high pressure

X. Li, W. M. Xu, M. A. McGuire, Y. Cho, M. C. Downer, Y. Wan, X. Y. Li, Z. Y. Li, Q. Cui, J. G. Cheng, J. B. Goodenough, J. S. Zhou