William Pratt

Professor Emeritus, Department of Physics & Astronomy
Profile photo of  William Pratt
Photo of: William Pratt


Topics in Experimental Condensed Matter Physics such as:
* 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

Professor Pratt enjoys his retirement from a residence in Colorado.

# Education
* 1967: Ph.D., University of Minnesota
* 1965: M.S., University of Minnesota
* 1961: B.A., Amherst College

Selected Publications

  • Controlled Normal and Inverse Magnetoresistance and Current-Driven Magnetization Switching in Magnetic Nanopillars, M. AlHajDarwish, H. Kurt, S. Urazhdin, A. Fert, R. Loloee, W.P. Pratt Jr., and J. Bass, Phys. Rev. Lett. 93, 157203 (2004).
  • Current Perpendicular (CPP) Magnetoresistance in Magnetic Metallic Multilayers, (J. Bass and W.P. Pratt Jr.), J. Magn. Magn. Mat. 200, 274 (1999)
  • 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).
  • Detecting domain wall trapping and motion at a constriction in narrow ferromagnetic wires using perpendicular-current giant magnetoresistance, A.J. Zambano and W.P. Pratt Jr., Appl. Phys. Lett. 85, 1562 (2004).
  • 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).
  • 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).
  • 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).