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Research Publications by Andrey Umerski

Recent Papers:

  • Gilbert damping in magnetic layered systems Phys. Rev. B 90, 014420 (2014).

  • Reflection mechanism for generating spin transfer torque without charge current J. Appl. Phys. 111, 053909 (2012).

  • Oscillatory behavior of tunnel magnetoresistance in a magnetic tunnel junction with varying magnetic layer thickness Phys. Rev. B 84 134404 (2011).

  • Theory of ultrahigh magnetoresistance achieved by k-space filtering without a tunnel barrier Phys. Rev. B 83 052403 (2011).

  • Theory of tunneling magnetoresistance of Fe/GaAs/Fe(001) junctions. Phys. Rev. B 82 115212 (2010).

  • Asymptotic behavior of tunneling magnetoresistance in epitaxial MgO tunnel junctions. Phys. Rev. B 82 052405 (2010).

  • Strong Enhancement of the Tunneling Magnetoresistance by Electron Filtering in an Fe/MgO/Fe/GaAs(001) Junction. Phys. Rev. Lett. 104 217202 (2010).

  • Theory of resonant spin-dependent tunneling in an Fe/Ag/MgO/Fe(001) junction. Phys. Rev. B 80 024415 (2009).

  • Theory of spin-transfer torque in the current-in-plane geometries. Phys. Rev. B 80 014419 (2009).

  • Theory of tunneling magnetoresistance in a disordered Fe/MgO/Fe(001) junction. Phys. Rev. B 74 140404 (2006).

  • Magnetic anisotropy of vicinal (001) fcc Co films: Role of crystal splitting and structure relaxation in the step-decoration effect. Phys. Rev. B 73 184423 (2006).

  • Theory of resonant tunneling in an epitaxial Fe/Au/MgO/Au/Fe(001) junction. Phys. Rev B 71 220402 (2005).

  • Self-consistent theory of current-induced switching of magnetization. Phys. Rev. B 71 054407 (2005).

  • Quantum oscillation of TMR in tunneling junctions containing a non-magnetic spacer. JMMM 272 E1467-E1468 2004.

  • Quantum oscillation of magnetoresistance in tunneling junctions with a nonmagnetic spacer Phys. Rev. B 68 174421 (2003).

  • Calculated magneto crystalline anisotropy of decorated and undecorated steps on fcc Co(001). Surf. Sci. 493 744-747 (2001)

  • Theory of tunneling magnetoresistance of an epitaxial Fe/MgO/Fe(001) junction. Phys. Rev. B 63 220403 (2001).

  • Induced magnetization spiral in a nonmagnetic metal sandwiched between two ferromagnets. JMMM 217 188-198 (2000).

  • Theory of tunneling magnetoresistance in a junction with a nonmagnetic metallic interlayer. Phys. Rev. B 60 1117-1121 (1999).

  • Quantum oscillations of the spin density in magnetic multilayers. Phys. Rev. B 59 6344-6350 (1999).

  • Quantum-well theory of the exchange coupling in magnetic multilayers with application to Co/Cu/Co(001). PRB 56, 11797 (1997)

  • Oscillations with Co and Cu thickness of the current-perpendicular-to-plane giant magnetoresistance of a Co/Cu/Co(001) trilayer. PRB 55, 14378 (1997)

  • Closed-form solutions to surface Green's functions. PRB 55, 5266 (1997)

  • Confinement mechanism for strong temperature dependence of the interlayer exchange coupling in Co/Cu(001) Phys. Rev. B 53 13306-13309 (1996).



    • Review Articles and Book Chapters:


  • J. Mathon and A. Umerski (2016): Theory of Tunneling Magnetoresistance and its Application to Hard Disk Technology, in UK Success Stories in Industrial Mathematics, Springer, pp. 179-204, ISBN-10: 3319254529.


  • D.M.Edwards and A. Umerski (2007): Exchange Coupling In Magnetic Multilayers, in H Kronmuller (ed.), Handbook of Magnetism & Advanced Magnetic Materials (hmm115), John Wiley & Sons Ltd, ISBN13: 978-0-470-02217-7.


  • J. Mathon and A. Umerski (2006): Quantum Theory of Spintronics in Magnetic Nanostructures, published in M. Rieth and W. Schommers (eds.), Handbook of Theoretical and Computational Nanotechnology, American Scientific Publishers, pp.678-743, ISBN-10: 158883042X.


  • J Mathon and A Umerski (2001): Theory of Tunnelling Magnetoresistance, published in JL Moran-Lopez (ed.), Physics of Low Dimensional Systems, Kluwer Academic/Plenum New York, pp.363, ISBN: 0306465663.

    • Older Papers:

  • A Umerski and GP Srivastava (1995). Geometry and Electronic Band Structure of III-V(110)-Bi(1ML), Physical Review B, 51, pp.2334-2346.

  • GP Srivastava and A Umerski (1995). Geometry And Electronic-Structure Of Selenium-Treated Inp(110), Surface Science, 333, pp.590-593.

  • A Umerski and GP Srivastava (1994). Atomic Geometry of III-V Semiconductors with Bi Overlayers, Surface Review and Letters, 1, pp.495-499.

  • A Umerski and GP Srivastava (1994). Electronic Band Structure of InAs(110) and InAs(110)-Bi(1 ML), Surface Review and Letters, 1, pp.681-684.

  • A Umerski and GP Srivastava (1994). A Robust Method for Calculating Surface Atomic Geometry, Surface Science, 307, pp.680-684.

  • A Umerski and GP Srivastava (1994). Calculated Electronic Band Structures of III-V Semiconductors with Metallic Overlayers, Surface Science, 307, pp.963-968.

  • A Umerski and GP Srivastava (1993). Geometry and Electronic Band Structure of GaAs(110)-Bi(1 ML), Physical Review B, 48, pp.8450-8453.

  • R Jones, A Umerski, P Sitch, MI Heggie, S Oberg (1993). First-Principals Calculations of Dislocations in Semiconductors, Physica Status Solidi (a), 137, pp.389-399.

  • MI Heggie, R Jones, A Umerski (1993). Ab Initio Total Energy Calculations of Impurity Pinning in Silicon, Physica Status Solidi (a), 138, pp.383-387.

  • R Jones, A Umerski, P Sitch, MI Heggie, S Oberg (1993). Density Functional Calculations of the Structure and Properties of Impurities and Dislocations in Semiconductors, Physica Status Solidi (a), 138, pp.369-383. ISSN 0031-8965.

  • A Umerski and R Jones (1993). Interaction of Oxygen with Dislocation Cores in Silicon, Philosophical Magazine A, 67, pp.905-915. ISSN 0141-8610.

  • R Jones, A Umerski, S Oberg (1992). Ab Initio Calculation of Local Vibratory Modes of Interstitial Oxygen in Silicon, Physical Review B, 45, pp.11321-11323.

  • MI Heggie, R Jones, A Umerski (1991). Interaction of Impurities with Dislocation Cores in Silicon, Philosophical Magazine A, 63, pp.571-584.

  • PS Howe and A Umerski (1987). Anomaly multiplets in six and ten dimensions, Physics Letters B, 198, pp.57-60.

  • PS Howe and A Umerski (1986). On superspace supergravity in ten dimensions, Physics Letters B, 177, pp.163-166.

    • Conference Proceedings

  • R Jones, S Oberg, A Umerski (1991). Interaction of Hydrogen with Impurities in Semiconductors, Materials Science Forum, 83-87, pp.551-562, Trans Tech Publications, Zurich, Switzerland.

  • MI Heggie, R Jones, A Umerski (1991). The Pinning Effect of Phosphorus on Dislocation Cores in Silicon, Institute of Physics Conference Series No. 117, pp.125-128.

  • R Jones, S Oberg, A Umerski (1990). Ab Initio Calculations on Interstitial O Clusters in Si, Materials Science Forum, 65-66, pp.287-292, Trans Tech Publications, Zurich, Switzerland.

  • MI Heggie, R Jones, A Umerski (1990). Institute of Physics Conference Series No. 105, pp.89.

  • MI Heggie, R Jones, A Umerski (1990). Interaction of Phosphorus with Dislocation Cores in Silicon, Materials Science Forum, 65-66, pp.265-270, Trans Tech Publications, Zurich, Switzerland.

  • MI Heggie, R Jones, A Umerski (1990). Interaction of Phosphorus with Dislocation Cores in Silicon, in MA Schluter and MS Daw (eds.), Atomic Scale Calculations of Structure in Materials, MRS Proceedings 193, Materials Research Society Publishers.

  • Heggie, R Jones, GMS Lister, A Umerski (1989). Interaction of Impurities with Dislocation Cores in Silicon, Institute of Physics Conference Series No. 104, pp.43-46.