Physics & Astronomy Colloquium

3:30 PM, Friday, September 30, 2005

Room 155, Chem-Phys Building

Dr. Yuri Sushko

Department of Physics & Astronomy
University of Kentucky

``New Aspects of Superconductivity and Magnetism Appearing Under Hydrostatic Pressure''

Unconventional superconductivity, metal-insulator transitions, itinerant and localized moment magnetism are notorious characteristic features of contemporary electronic materials. Using pressure P as an external parameter allows to influence the balance between competing states and tune the phase transitions of interest. In this talk I will discuss the effects of pressure on superconducting and magnetic properties of strongly anisotropic, two-dimensional electron systems, such as layered sodium cobalt oxides Na_0.35CoO₂1.4 H2O and Na_0.75CoO₂, bi-layer and triple-layer ruthenium oxide perovskites Sr₃Ru₂O₇ and Sr₄Ru₃O₁₀, and organic charge-transfer salts (BEDT-TTF)₂Cu[N(CN)₂]X (X = Cl, Br).

Refreshments will be served in CP 155 at 3:15 PM