Heavy-Electron Behavior and Structural Change in Ca1.7Sr0.3RuO4

R. Jin, J. R. Thompson, J. He +5

Sr${}_2$RuO${}_4$ is an unconventional superconductor with a tetragonal structure, whereas Ca${}_2$RuO${}_4$ is a Mott insulator with orthorhombic symmetry. The substituted Ca${}_{2-x}$Sr$_x…