Stephen Russek
Project Leader

russek[at]boulder.nist.gov
303-497-5097

Postal address
NIST - Div. 818.03, 325 Broadway, Boulder, CO 80305

Key Publications

Brant Cage, Stephen E. Russek, Richard Shoemaker, Alex J. Barker, Conrad Stoldt, Vasanth Ramachandaran, Naresh S. Dala, “The utility of the single-molecule magnet Fe8 as a magnetic resonance imaging contrast agent over a broad range of concentration,” Polyhedra (2007)

W. H. Rippard, M. R. Pufall, and S. E. Russek Comparison of frequency, linewidth, and output power in measurements of spin-transfer nanocontact oscillators, Phys. Rev. B 74, 224409 (2006)

M. R. Pufall, W. H. Rippard, S. E. Russek, S. Kaka, and J. A. Katine, Electrical Measurement of Spin-Wave Interactions of Proximate Spin Transfer Nanooscillators, Phys. Rev. Lett. 97, 087206 (2006)

S. Kaka, M. R. Pufall, W. H. Rippard, T. J. Silva, S. E. Russek , and J. A. Katine, Mutual phase-locking of microwave spin torque nano-oscillators, Nature 437, 389-392 (15 September 2005)

Alex J. Barker, Brant Cage, Stephen Russek, Ruchira Garg, Robin Shandas, Conrad R. Stoldt “TAILORED NANOSCALE CONTRAST AGENTS FOR MAGNETIC RESONANCE IMAGING,” Proceedings of IMECE2005

Brant Cage, Stephen E. Russek, David Zipse, J. Micah North, and Naresh S. Dalal, “Resonant microwave power absorption and relaxation of the energy levels of the molecular nanomagnet Fe[sub 8] using superconducting quantum interference device-based magnetometry’” Appl. Phys. Lett. 87, 082501 (2005)

W. E. Bailey, S. E. Russek, X.-G. Zhang, and W. H. Butler, “Experimental separability of channeling giant magnetoresistance in Co/Cu/Co , “ Phys. Rev. B 72, 012409 (2005)

Elizabeth Mirowski, John Moreland, Arthur Zhang, Stephen E. Russek, and Michael J. Donahue “Manipulation and sorting of magnetic particles by a magnetic force microscope on a microfluidic magnetic trap platform,” Appl. Phys. Lett. 86, 243901 (2005)

S. E. Russek, S. Kaka, W. H. Rippard, M. R. Pufall, and T. J. Silva “Finite-temperature modeling of nanoscale spin-transfer oscillators,” Phys. Rev. B 71, 104425 (2005)

Brant Cage, Stephen E. Russek, David Zipse, and Naresh S. Dalal Advantages of superconducting quantum interference device-detected magnetic resonance over conventional high-frequency electron paramagnetic resonance for characterization of nanomagnetic materials J. Appl. Phys. 97, 10M507 (2005)

Nathan A. Stutzke, Stephen E. Russek, David P. Pappas, and Mark Tondra Low-frequency noise measurements on commercial magnetoresistive magnetic field sensors, J. Appl. Phys. 97, 10Q107 (2005)

W. H. Rippard, M. R. Pufall, S. Kaka, T. J. Silva, S. E. Russek, and J. A. Katine, “Injection Locking and Phase Control of Spin Transfer Nano-oscillators,” Phys. Rev. Lett. 95, 067203 (2005).

Ward L. Johnson, Sudook A. Kim, Stephen E. Russek, and Pavel Kabos, “Brillouin light scattering from pumped uniform-precession and low-k magnons in Ni[sub 81]Fe[sub 19]” Appl. Phys. Lett. 86, 102507 (2005)

M. R. Pufall, W. H. Rippard, S. Kaka, T. J. Silva, and S. E. Russek “Frequency modulation of spin-transfer oscillators,”Appl. Phys. Lett. 86, 082506 (2005)

D.H. Min, A. McCallum, Stephen E. Russek and John Moreland, “Micromechanical torque magnetometer with sub-monolayer sensitivity,” Journal of Magnetism and Magnetic Materials, 286, February 2005, Pages 329-335

Shehzaad Kaka, Matthew R. Pufall, William H., Rippard, Thomas J. Silva, and Stephen E. Russek, Jordan A. Katine and Matthew Carey, “Spin transfer switching of spin valve nanopillars using nanosecond pulsed currents,” Journal of Magnetism and Magnetic Materials 286, February 2005, Pages 375-380

A.T. McCallum and S. E. Russek, “In situ observation of nano-oxide formation in magnetic thin films,” IEEE Transactions on Magnetics,Volume: 40 , Issue: 4 , July 2004 Pages:2239 - 2241

Elizabeth Mirowski, John Moreland, Stephen E. Russek, and Michael J. Donahue, “Integrated microfluidic isolation platform for magnetic particle manipulation in biological systems,” Appl. Phys. Lett. 84, 1786 (2004)

W. H. Rippard, M. R. Pufall, S. Kaka, T. J. Silva, and S. E. Russek, “Current-driven microwave dynamics in magnetic point contacts as a function of applied field angle,” Phys. Rev. B 70, 100406 (2004)

Brant Cage and Stephen Russek, “Design for a multifrequency high magnetic field superconducting quantum interference device-detected quantitative electron paramagnetic resonance probe: Spin-lattice relaxation of cupric sulfate pentahydrate (CuSO4 . 5H2O),” Rev. Sci. Instrum. 75, 4401 (2004)

M. R. Pufall, W. H. Rippard, Shehzaad Kaka, S. E. Russek, T. J. Silva, Jordan Katine, and Matt Carey, “Large-angle, gigahertz-rate random telegraph switching induced by spin-momentum transfer,” Phys. Rev. B 69, 214409 (2004)

W. H. Rippard, M. R. Pufall, S. Kaka, S. E. Russek, and T. J. Silva, Direct-Current Induced Dynamics in Co90Fe10/Ni80Fe20 Point Contacts,” Phys. Rev. Lett. 92, 027201 (2004)

A. T. McCallum and S. E. Russek, “Current density distribution in a spin valve determined through in situ conductance measurements,” Appl. Phys. Lett. 84, 3340 (2004)

Atanu Saha, Sandeep Shah, Rishi Raj, Steven Russek, “Polymer-Derived SiCN Composites with Magnetic Properties,” J. Mater. Res., Vol. 18, No. 11, Nov 2003

N. A. Stutzke, S. L. Burkett, S. E. Russek, “High-Frequency Noise Measurements in Spinvalve Devices” J. Vac. Sci. Technol. A 21 , 1167 (2003)

S. E. Russek, S. Kaka, J. Nibarger, N. A. Stutzke, and S. L. Burkett, "High-Frequency Measurements of Spinvalve Films and Devices," J. Appl. Phys. 93, 7539 (2003)

Stephen E. Russek, Robert D. McMichael, Michael J. Donahue and Shehzaad Kaka, “High-Speed Switching and Rotational Dynamics in Small Magnetic Thin-Film Devices,” in B. Hillebrands and K.Ounadjela (Eds.):`Spin Dynamics in Confined Magnetic Structures II,' (Springer, Berlin, 2003)

F. B. Mancoff and S. E. Russek, “Spin-current-induced magnetotransport in Co-Cu-Co nanostructures,” IEEE Trans. Magn. 38, pp 2853-2855 (2002)

Shehzaad Kaka and Stephen E. Russek, “Precessional switching of submicrometer spin-valves,” Appl. Phys. Lett. 80, 2958 (2002)

R. D. McMichael, D. J. Twisselman, J. E .Bonevitch, P. J. Chen, W. F. Egelhoff, and S. E. Russek, “Ferromagnetic Resonance Mode Interactions in Periodically Perturbed Films,” J. Appl. Phys. 91, 8659 (2002)

Stephen E. Russek, Pavel Kabos, R. D. McMichael, C. G. Lee, William E. Bailey, Ricky Ewasko, and Steven C. Sanders: `Magnetostriction and angular dependence of ferromagnetic resonance linewidth in Tb-doped Ni0.8Fe0.2 thin films,' J. Appl. Phys. 91, 8659 (2002)

J. Moreland, A Jander, J. A. Beall, J.A., P. Kabos, S. E. Russek, “Micromechanical torque magnetometer for in situ thin-film measurements” Magnetics, IEEE Trans. Magn. 37 pp 2770 –2772 (2001)

William Bailey, Pavel Kabos, Frederick Mancoff, and Stephen Russek, “Control of Magnetization Dynamics in Ni81Fe19 Thin Films through the use of Rare-Earth Dopants,” IEEE Trans. Magnet. 37, pp 1749-1754, (2001)

Education
Ph.D., Applied and Engineering Physics/Physics, Cornell University, 1990
Thesis: "Growth, Microstructure, and Transport Properties of High Tc Superconducting YBa2Cu3O7 Thin Films"
Thesis advisor: Prof. R. A. Buhrman, Cornell University.
M.S., Physics, Cornell University, 1985
B.A., Physics, Harvard University, 1980

Postdoc
1990-1992, National Research Council Postdoctoral Fellowship at National Institute of Standards and Technology, Superconductor and Magnetic Measurement Group.

Professional Activities/Awards
2006 Dept. of Commerce Silver medal for breakthroughs in spintronics
2006 Gordon Research Conference Lecturer Oxford, England
MMM Program committee 2003, 2005
American Vacuum Society Magnetic Interfaces and Nanostructures Division Chair/ Chair Elect (2003-2004)
Cabrera 2004 Summer School Lecturer
IEEE Intermag Editor 2003
American Vacuum Society Short Course Lecturer
NRC Postdoctoral Fellow
NIST representative on the International Society for Magnetic Resonance in Medicine Committee for Standards for Quantitative Magnetic Resonance.