Strange Inter-layer Properties of $Ba(F{e}_{1-x}C{o}_x)2A{s}_2$ Appearing in Ultrasonic Measurements

S. Simayi, K. Sakano, H. Takezawa +9

We have investigated the elastic constant C33 of Ba(Fe1-xCox)2As2 with eight different Co concentrations by ultrasonic measurement. We found remarkable elastic anomalies near the q…