Selected Publications:

  1. •M. Roy and C. Shafai, “A MEM Electric Field Sensor Optimization by Multi-Objective Niched Pareto Genetic Algorithm”, 25th Eurosensors - European Conference on Solid-State Sensors, Athens, Greece, September 2011.

  2. •Omar A. Nova, Juan C. Bohórquez, Néstor M. Peña, Greg E. Bridges, Lotfollah Shafai, and Cyrus Shafai, “Filter-Antenna Module using Substrate Integrated Waveguide Cavities”, IEEE Antennas and Wireless Propagation Letters, vol. 10, pp. 59-62, January 2011.

  3. •S.I. Latif, L. Shafai, and C. Shafai, “Gain and Efficiency Enhancement of Compact and Miniaturized Microstrip Antennas using Multi-layered Laminated Conductors”, IET Microwaves, Antennas & Propagation, vol. 5, pp. 402-411, March 2011.

  4. •T. Emadi, C. Shafai, D. Thomson, M. Freund, N. White, and D. Jayas, “Polymer-Based Gas Sensor on a Thermally Stable Micro-Cantilever”, 24th Eurosensors - European Conference on Solid-State Sensors, Linz, Austria, September 2010.

  5. •S. Neethirajan, M.S. Freund, D.S. Jayas, C. Shafai, D.J. Thomson, and N.D.G. White, “Development of Carbon dioxide (CO2) Sensor for Grain Quality Monitoring”, Biosystems Engineering Journal, vol. 106, pp. 395-404, August 2010.

  6. •Juan C. Bóhorquez, Néstor Pena, Aaron Vaisman, Cyrus Shafai, Dwayne D. Chrusch, Cédric Quendo, Eric Rius, Christian Person, and Gérard Tanne, “Implementation of Ground Plane Membranes to Realize a Bandwidth and Frequency Tunable Filter”, 2010 ANTEM Symposium on Antenna Technology & Applied Electromagnetics, Ottawa, Canada, July 2010.

  7. •Mojtaba Safari Hassan Abadi, Cyrus Shafai, and Lotfollah Shafai, “A Reconfigurable Frequency Selective Surface Using Switched Slots in the Ground Plane”, 2010 ANTEM Symposium on Antenna Technology & Applied Electromagnetics, Ottawa, Canada, July 2010.

  8. •Saeed I. Latif, Cyrus Shafai, and Lotfollah Shafai, “Reflect-Array Study with Shorted Slotted Ground Plane Using Microstrip Patches or Rings as Cell Elements”, 2010 ANTEM Symposium on Antenna Technology & Applied Electromagnetics, Ottawa, Canada, July 2010.

  9. •Saeed I. Latif, Cyrus Shafai, and Lotfollah Shafai, “Study of the Microtrip Patch or Ring as a Cell Element for a Transmit-Array with Slotted Ground Plane”, 2010 IEEE AP-S International Symposium on Antennas and Propagation and CNC/USNC/URSI National Radio Science Meeting, Toronto, Ontario, Canada, June, 2010.

  10. •T. Senthilkumar, D.S. Jayas, N.D.G. White, M.S. Freund, D.J. Thomson, and C. Shafai, “Automatic headspace sampler in identifying volatiles released by stored grain insects-a preliminary study”, CIGR 2010, 17th World Congress of the International Commission of Agricultural and Biosystems Engineering, Québec City, June 2010.

  11. •S. Neethirajan, M.S. Freund, D.S. Jayas, C. Shafai, D.J. Thomson, and N.D.G. White, “Development of Carbon dioxide (CO2) Sensor using polymer nanoparticles for Grain Quality Monitoring”, accepted for presentation at CIGR 2010 (17th World Congress of the International Commission of Agricultural and Biosystems Engineering), Québec City, June 2010.

  12. •Alireza Motieifar Cyrus Shafai, and Hassan M. Soliman, “Study of the Transient Behavior of Microfluidic Heat Sinks”, ITherm 2010, Las Vegas, June 2010.

  13. •T. Arezoo Emadi, Cyrus Shafai, Michael S. Freund, Douglas J. Thomson, Digvir S. Jayas, and Noel D. G. White, “Development of a Polymer-based Gas Sensor - Humidity and CO2 Sensitivity”, Microsystems and Nanoelectronics Research Conference, Ottawa, Canada, October 2009.

  14. •G. Wijeweera, B. Bahreyni, C. Shafai, A. Rajapakse, and D.R. Swatek, “Micromachined Electric Field Sensor to Measure ac and dc Fields in Power Systems”, IEEE Transactions on Power Delivery, vol. 24, pp 988-995, July 2009.

  15. •Saeed I. Latif, Lotfollah Shafai, and Cyrus Shafai, “Development of an Adaptive Surface Using Electromagnetically Coupled Patches”, 2009 IEEE AP-S International Symposium on Antennas and Propagation and 2009 USNC/URSI National Radio Science Meeting, Charleston, South Carolina, USA, June, 2009.

  16. •Saeed I. Latif, Lotfollah Shafai, and Cyrus Shafai, “Ohmic Loss Reduction and Gain Enhancement of Microstrip Antennas Using Laminated Conductors”, 2009 ANTEM Symposium on Antenna Technology & Applied Electromagnetics, Calgary, Canada, February 2009.

  17. •G. Wijeweera, B. Bahreyni, C. Shafai, and A. Rajapakse, “Low Power Consuming MEM Sensors for Power Engineering Applications”, Cigré Canada Conference on Power Systems, Winnipeg, Canada, October 2008.

  18. •C. Shafai, S. K. Sharma, J. Yip, L. Shafai and L. Shafai, “Microstrip Delay Line Phase Shifter by Actuating Integrated Ground Plane Membranes”, IET Microwaves, Antennas & Propagation, vol. 2, p. 163-170, March 2008.

  19. •B. Bahreyni, G. Wijeweera, C. Shafai and A. Rajapakse, “Analysis And Design Of A Micromachined Electric Field Sensor”, IEEE/ASME Journal of Microelectromechanical Systems, vol. 17, p. 31-36, February 2008.

  20. •Behraad Bahreyni and C. Shafai, “A Resonant Micromachined Magnetic Field Sensor”, IEEE Sensors Journal, vol. 7, p. 1326-1334, September 2007.

  21. •B. Bahreyni, G. Wijeweera, C. Shafai and A. Rajapakse, “Design And Testing Of A Field-Chopping Electric Field Sensor Using Thermal Actuators With Mechanically Amplified Response”, Transducers’07 & Eurosensors, 14th International Conference on Solid-State Sensors, Actuators and Microsystems, Lyon, France, June 2007.

  22. •A. Motieifar, C. Shafai and H.M. Soliman, “Study Of The Hot Spots In Integrated Circuits Cooled By Microfluidic Heatsinks”, 5th International Conference on Nanochannels, Microchannels, and Minichannels, Puebla, Mexico, June 2007.

  23. •Behraad Bahreyni and Cyrus Shafai, “Oscillator and frequency-shift measurement circuit topologies for micromachined resonant devices”, Sensors and Actuators A, vol. 137, p. 74-80, June 2007.

  24. •J. Yip, C. Shafai, S. Sharma, L. Shafai and Leili Shafai, “MEMS Micro-Ribbons in Ground Plane for Variable DGS Microstrip Phase Shifter”, 2006 ANTEM/URSI Symposium on Antenna Technology & Applied Electromagnetics, Montréal, Canada, July 2006.

  25. •Saeed I. Latif, C. Shafai and Lotfollah Shafai, “Reduction in Ohmic Loss of Small Microstrip Antennas Using Multiple Copper Layers”, 2006 IEEE International Symposium on Antennas and Propagation, Albuquerque, USA, July 2006.

  26. •Alireza Motieifar, C. Shafai and H.M. Soliman, “Simulation and Analysis of Metal Microfluidic Heatsinks”, 4th International Conference on Nanochannels, Microchannels, and Minichannels, Limerick, Ireland, June 2006.

  27. •Behraad Bahreyni, Farshid Najafi and C. Shafai, “Piezoresistive sensing with stacked-beam structures in standard MEMS foundry processes”, Sensors and Actuators A, vol. 127, p. 325-331, March 2006.

  28. •Behraad Bahreyni and C. Shafai, “A Micromachined Magnetometer with Frequency Modulation at the Output”, 4th IEEE International Conference on Sensors, Irvine, California, p. 580-583, Oct 31 - Nov 1, 2005.

  29. •Isabelle P. F. Harouche and C. Shafai, “Simulation of Shaped Comb Drive as a Stepped Actuator for Microtweezers Application”, Sensors and Actuators A, vol. 123-124C, p. 540-546, September 2005.

  30. •J.T. Johnson, K.Y. Lai and C. Shafai, “Bimetallic Magnetic Actuators for Large Deflection MEM Micro-Mirrors and RF Switches”, 12th Canadian Semiconductor Technology Conference, Ottawa, Canada, August 2005.

  31. •R. Al-Dahleh, C. Shafai, and L. Shafai, “Frequency Agile Microstrip Patch Antenna Using Reconfigurable MEMS Ground Plane”, Microwave and Optical Technology Letters, vol. 43, p. 64-67, October 5, 2004.

  32. •Leili Shafai, C. Shafai, L. Shafai, J.S. Wight and A. Petosa, “Phase Shifter Using Defected Ground Structures With MEMS Actuated Cavity Backing”, 2004 ANTEM/URSI Symposium on Antenna Technology & Applied Electromagnetics, Ottawa, Canada, p. 45-48, July 2004.

  33. •C. Shafai, S. Sharma, L. Shafai and Dwayne D. Chrusch, “Microstrip Phase Shifter Using Ground Plane Reconfiguration”, IEEE Transactions on Microwave Theory and Techniques, vol. 52, p. 144-153, January 2004.

  34. •Behraad Bahreyni and Cyrus Shafai, “3-D Modeling and Simulation of Deep Isotropic Gas Phase Etching”, 17th Eurosensors - European Conference on Solid-State Sensors, Guimaraes, Portugal, p. 500-503, September 2003.

  35. •G.F. Naterer, T.S. Chomokovski, C. Friesen and C. Shafai, “Micro-Machined Surface Channels Applied To Engine Intake Flow And Heat Transfer”, AIAA 36th Thermophysics Conference, 7 pages, Orlando, USA, June 2003.

  36. •B. Bahreyni and C. Shafai, “Investigation and simulation of XeF2 isotropic etching of silicon”, Journal of Vacuum Science and Technology A, p. 1850-1854, Nov/Dec, 2002.

  37. •K. Robbie, C. Shafai and M.J. Brett, “Thin Films With Nanometer Scale Pillar Microstructure”, Journal of Materials Research, vol. 14, p. 3158-3163, July 1999.

  38. •C. Shafai, J.N. Broughton and M.J. Brett, “Passivation And Performance Analysis Of Thin Film Peltier Heat Pumps”, Journal of Vacuum Science and Technology A, vol. 17, p. 306-309, Jan/Feb 1999.

  39. •C. Shafai and M.J. Brett, “On-Chip Thin Film Peltier Heat Pumps”, 4th International Workshop on Thermal Investigations of ICs and Microstructures, Cannes, France, p. 81-85, September 1998.

  40. •C. Shafai, M.J. Brett and T.M. Hrudey, “Etch induced stress failures of SiO2 cantilever beams”, Sensors and Actuators A, vol. 70, p. 283-290, October 1998.

  41. •C. Shafai and M.J. Brett, “Optimization of Bi2Te3 thin films for micro-integrated Peltier heat pumps”, Journal of Vacuum Science and Technology A, vol. 15, p. 2798-2801, Sep/Oct 1997.

  42. •C. Shafai, D.J. Thomson and M. Simard-Normandin, “Two-dimensional delineation of semiconductor doping by scanning resistance microscopy”, Journal of Vacuum Science and Technology B, vol. 12, p. 378-382, Jan/Feb 1994.

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