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William Pratt, Professor Emeritus

William PrattE-mail:


B.A. Physics, Amherst College, 1961
M.S. Physics, University of Minnesota, 1965
Ph.D. Physics, University of Minnesota, 1967



Research Focus

Experimental Condensed Matter Physics:  Electronic Transport in Metals at Low and Ultralow Temperatures, Giant Magnetoresistance in Magnetic Multilayers with Current Perpendicular to the Plane of the layers (CPP-MR), Spin-torque Studies of Nanometer-Scale Magnetic Structures, Spin-Triplet Superconductivity in Superconductor/Ferromagnet Systems


Perpendicular Giant Magnetoresistances of Ag/Co Multilayers, (W.P. Pratt Jr., S.-F. Lee, J. M. Slaughter, R. Loloee, P.A. Schroeder, and J. Bass), Phys. Rev. Lett. 66, 3060 (1991)

Current Perpendicular (CPP) Magnetoresistance in Magnetic Metallic Multilayers, (J. Bass and W.P. Pratt Jr.), J. Magn. Magn. Mat. 200, 274 (1999)

Direct measurement of quasiparticle evanescent waves in a dirty superconductor, (J.Y. Gu, A. Caballero, R.D. Slater, R. Loloee and W.P. Pratt, Jr.), Phys. Rev. B Rapid Comm. 66, 140507 (2002).

Current-Driven Magnetic Excitations in Permalloy-Based Multilayer Nanopillars, (S. Urazhdin, N.O. Birge, W.P. Pratt Jr., and J. Bass), Phys. Rev. Lett. 91, 146803 (2003).

Spin-Diffusion Lengths in Metals and Alloys, and Spin-Flipping at Metal/Metal Interfaces: an Experimentalist’s Critical Review, (J. Bass and W.P. Pratt Jr.), J. Phys. Cond. Matt. 19, 183201 (2007).

Observation of Spin-Triplet Superconductivity in Co-based Josephson Junctions, (Trupti S. Khaire, Mazin A. Khasawneh, W. P. Pratt, Jr., and Norman O. Birge), Phys. Rev. Lett. 104, 137002 (2010).