Evidence for a quantum phase transition in the electron-doped cuprate Pr2-xCexCuO4+d from Hall and resistivity measurements

Details Evidence for a quantum phase transition in the electron-doped cuprate Pr2-xCexCuO4+d from Hall and resistivity measurements Evidence for a quantum phase transition in the electron-doped cuprate Pr2-xCexCuO4+d from Hall and resistivity measurements

2003-10-20

arxiv.org/abs/cond-mat/0310475v2

Phys. Rev. Lett. 92, 167001 (2004)

Physics

Condensed Matter

Superconductivity

11 pages 4 figures Phys. Rev. Lett. 92, 167001 (2004)

Scientific paper

10.1103/PhysRevLett.92.167001

The doping and temperature dependence of the Hall coefficient, RH, and
ab-plane resistivity in the normal state down to 350mK is reported for oriented
films of the electron-doped high-Tc superconductor Pr2-xCexCuO4+d. The doping
dependence of b (r=r0+AT^b) and R_sub_H (at 350 mK) suggest a quantum phase
transition at a critical doping near x=0.165.

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