Michael J. Haji-Sheikh

Associate Professor, Electrical Engineering
Tel: 815-753-9942


M.S. (1987), Ph.D. (1993) in Materials Science and Interdisciplinary Engineering, University of Texas at Arlington.

Research Interests

Microelectronics, Sensors and Nanotechnology.

Work Experience

  • Department of Electrical Engineering, NIU (2002-present)
  • Honeywell’s Sensing and Control Division (1992-2002)
  • Bell Helicopter Materials Engineer (1985-1987)

Professional Associations and Honors

  • 13 US and European Patents
  • Member IEEE
  • Member Electrochemical Society
  • Member Tau Beta Pi

Honeywell Technical Awards

  • C-4 Bump reliability improvements. (Haji-Sheikh and Ulz)
  • AMR Magnetic model development (Plagens and Haji-Sheikh)
  • Grind and Polish process development for integrated pressure sensor (Davis and Haji-Sheikh)
  • Plastic charging due to Triboelectricity. (Plagens, Ivanov, and Haji-Sheikh)
  • Die crack reduction (Haji-Sheikh, Morales, et. al.)
  • I2L development. (Haji-Sheikh, Plagens)
  • MR wheelspeed sensor ( Rich Kirkpatrick and Michael Haji-Sheikh)
  • Wafer level Burn-in for VCSEL devices (Bobby Hawkins and Michael Haji-Sheikh)

Selected Publications

  • Y.Z.Yoo, O. Chmaissem, S. Kolesnik, A. Ullah, L. B. Lurio, D. E. Brown, J.Brady, B. Dabrowski, C. W. Kimball, M. J. Haji-Sheikh and A. P. Genis,“Diverse effectsof two-dimensional and step flow growth mode induced microstructures on the magnetic anisotropies of SrRuO3 thin films.“,Applied Physics Letters 89, 124104 (2006)
  • Michael J. Haji-Sheikh and Y. Z. Yoo, “An Accurate Model of a Highly Ordered 81/19 Permalloy AMR Wheatstone Bridge Sensor Against a 48 Pole Pair Ring-Magnet.“, Special Edition of Int. J. of Intelligent Systems Technologies, At Press 9/2006
  • Y. Z. Yoo. O. Chmaissem, S. Kolesnik, B. Dabrowski, C. W. Kimball, L. McAnally, M. J. Haji-Sheikh, and A. P. Genis,”Contribution of oxygen partial pressures investigated over a wide range the SrRuO3 thin-film properties in laser deposition processing”, Journal of Applied Physics 97, 1 (2005)
  • Michael J. Haji-Sheikh, Gilberto Morales, Baki Altuncevahir and Ali R. Koymen, “Anisotropic Magnetoresistive Model for Saturated Sensor Elements.”, IEEE Sensors Journal, Vol. 5 Issue 6, Dec. 2005
  • Y. Lee, A.R. Koymen and M. J. Haji-Sheikh, "Discovery of cross-tie walls at saw-tooth magnetic domain boundaries in permalloy films", Applied Physics Letters, Vol. 72, No. 7.1998
  • Michael J. Haji-Sheikh, Dave Ulz and Michael Campbell,"The Effect of Varying the Cu/Au Ratio on the Thermal-Cycle Fatigue Life of 95/5 PbSn Bumps", Components, Packaging, and Manufacturing Technology, Part A, IEEE, 1997

Research Projects

X-Ray detection project – Argonne National Labs, Chemical Sensor project Micro-Nano Solutions, Magnetoresistive sensor model.