Crystal structure of the Mg${}_{1-x}$Al${}_x$B${}_2$ superconductors near x=0.5

S. Margadonna, K. Prassides, I. Arvanitidis +3

Precise structural information on the Mg1-xAlxB2 superconductors in the vicinity of x 0.5 is derived from high-resolution synchrotron X-ray powder diffraction measurements. We find…