McGill.CA / Science / Department of Physics

CPM Seminar

Current Research Issues for the Electron-Doped Cuprates

P. Fournier

Center for Superconductivity Research and Department of Physics
University of Maryland, College Park

The interest of the research community in the superconducting electron-doped cuprates Re2-xCexCuO4 (Re = Nd, Pr, Sm) was revived recently by the increasing evidences of an elaborate phase diagram for the hole-doped cuprates (unconventional pairing symmetry, pseudogap, anomalous normal-state, insulator-metal transition, etc). In this talk, we review the actual status of research in this class of materials, and then show some of our latest results on the electrical and thermal transport in thin films and crystals of ReCe-CuO. We then focus on one of the most important questions related to the existence of the electron-doped cuprates: is there an electron-hole doping symmetry of the copper-oxygen planes? We conclude with a final phase diagram which reveals the important disparities between the hole- and electron-doped cuprates, and we underline that there is much more work to do.

Thursday, December 11th, 15:30
Ernest Rutherford Physics Building, room 114