Evidence for competing magnetic and superconducting phases in superconducting Eu<sub>1 −<i>x</i></sub>Sr<sub><i>x</i></sub>Fe<sub>2 −<i>y</i></sub>Co<sub><i>y</i></sub>As<sub>2</sub>single crystalsYu He, Xianhui Chen, Qijing Zheng et al.|Journal of Physics Condensed Matter|2010Cited by 24