Student advisees identified by an asterisk (*)
- S. Y. Lee*, D. L. West*, S. A. Dasari*, and N. Ghalichechian, “On-Chip Miniaturized Cavity V-Band Coplanar Folded Slot Array With High Efficiency and Reduced Mutual Coupling,” in IEEE Transactions on Antennas and Propagation, vol. 72, no. 9, pp. 7317-7322, Sept. 2024, doi: 10.1109/TAP.2024.3424554. (PDF).
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D. L. West*, A. A. Goodnight*, and N. Ghalichechian, “Ultrawideband, Photothermally Excited mmWave Vanadium Dioxide Switches,” in IEEE Microwave and Wireless Technology Letters, vol. 34, no. 9, pp. 1083-1086, Sept. 2024, doi: 10.1109/LMWT.2024.3422848. (PDF).
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J. A. Ramsey*, S. Y. Lee*, W. R. Disharoon*, D. L. West*, and N. Ghalichechian, “Low-loss vanadium dioxide-enabled mmWave tunable reflective electromagnetic surface with complementary unit cells for wave manipulation,” Journal of Applied Physics, vol. 135, no. 21, p. 214901, 2024, doi: 10.1063/5.0211712. (PDF).
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M. S. Lust*, D. L. West*, V. Smet, T. G. Williamson*, and N. Ghalichechian, “Vanadium-Dioxide-Based Reconfigurable Ka-Band Dual-Sense Linear-to-Circular Polarizer,” in IEEE Transactions on Antennas and Propagation, vol. 72, no. 3, pp. 2468-2480, March 2024, doi: 10.1109/TAP.2024.3356615. (PDF).
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M. Lust*, I. Vitebskiy, I. Anisimov, and N. Ghalichechian, “Thermo-optic VO2-based silicon waveguide mid-infrared router with asymmetric activation thresholds and large bi-stability,” Optics Express, vol. 31, no. 14, pp. 23260-23273, 2023/07/03 2023, doi: 10.1364/OE.493895. (PDF)
- S. Chen*, M. Lust*, A. Roo* and N. Ghalichechian, “Reliability of VO2-based mmWave Switches Under 100 Million Thermal Cycles,” IEEE Transactions on Device and Materials Reliability, vol. 23, no. 2, pp. 241-248, June 2023, doi: 10.1109/TDMR.2023.3249771. (PDF)
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K. Q. Henderson*, W. Disharoon* and N. Ghalichechian, “Towards High Power Beam Steerable Reflectarrays Using Tunable Height Dielectric,” in IEEE Transactions on Antennas and Propagation, vol. 71, no. 3, pp. 2487-2496, March 2023, doi: 10.1109/TAP.2023.3238671. (PDF)
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S. Chen*, M. Lust* and N. Ghalichechian, “Antenna-Coupled Microbolometer Based on VO2’s Non-linear Properties Across the Metal-Insulator Transition Region”, Applied Physics Letters, vol. 121, no. 20, pp. 201901, 2022, doi: 10.1063/5.0123779 (PDF)
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S. Wu, J. Eichenberger*, J. Dai, Y. Chang, N. Ghalichechian and R. R. Zhao, “Magnetically Reconfigurable Metamaterial as Conformal Electromagnetic Filters”, Advanced Intelligent Systems, 2022, doi: 10.1002/aisy.202200106. (PDF)
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B. Ghassemiparvin* and N. Ghalichechian, “Paraffin-Based RF Microsystems for Millimeter-Wave Reconfigurable Antenna,” in IEEE Transactions on Antennas and Propagation, vol. 70, no. 1, pp. 744-749, Jan. 2022, doi: 10.1109/TAP.2021.3102112 (PDF)
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K. Q. Henderson* and N. Ghalichechian, “Triangular and Rectangular Lattices for Cosecant-Squared-Shaped Beam Reflectarrays,” in IEEE Antennas and Wireless Propagation Letters, vol. 20, no. 10, pp. 2058-2062, Oct. 2021, doi: 10.1109/LAWP.2021.3103152 (PDF)
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J. Eichenberger* and N. Ghalichechian, “Mechanically Reconfigurable Slot Array Using Accordion-Like Microactuators,” in IEEE Antennas and Wireless Propagation Letters, vol. 20, no. 10, pp. 2048-2052, Oct. 2021, doi: 10.1109/LAWP.2021.3102851 (PDF)
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J. Li*, C. Matos* and N. Ghalichechian, “A Low-cost Vertically-Integrated Antenna Array at 60 GHz with 85% Efficiency,” IEEE Antennas and Wireless Propagation Letters, vol. 20, no. 4, pp. 513-517, April 2021, doi: 10.1109/LAWP.2021.3055726 (PDF)
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J. Li*, C. Matos*, S. Chen*, and N. Ghalichechian, “Fundamental Improvement to the Efficiency of On-chip mmWave Phased Arrays using MEMS Suspension”, IEEE Antennas and Wireless Propagation Letters, vol. 20, no. 4, pp. 473-477, April 2021, doi: 10.1109/LAWP.2021.3054555 (PDF)
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C. Matos*, J. Humanchuk* and N. Ghalichechian “Robotically-controlled Antenna Measurement System for Millimeter-wave Applications”, Microwave and Optical Technology Letters, pp. 1520-1525, vol. 63, no. 5, May 2021, https://doi.org/10.1002/mop.32773 (PDF)
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S. Chen*, M. Lust*, and N. Ghalichechian, “Multiphysics simulation of Hypersensitive Microbolometer Sensor using Vanadium Dioxide and Air Suspension for Millimeter Wave Imaging”, Microsystem Technologies, vol. 27, pp. 2815-2822, 2021, https://doi.org/10.1007/s00542-020-05031-0 (PDF)
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B. Ghassemiparvin*, and N. Ghalichechian, “Paraffin-Based Reconfigurable Antenna Operating at 100 GHz”, IEEE Journal of Microelectromechanical Systems, vol. 29, no. 5, pp. 621-628, Oct. 2020, 10.1109/JMEMS.2020.3013159 (PDF)
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M. Lust*, S. Chen*, C. Wilson, J Argo, V. Doan-Nguyen, and N. Ghalichechian, “High-Contrast, Highly Textured VO2 Thin Films Integrated on Silicon Substrates Using Annealed Al2O3 Buffer Layers”, Journal of Applied Physics, 2020, https://doi.org/10.1063/1.5144816 (PDF)
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K. Q. Henderson* and N. Ghalichechian, “Circular-Polarized Metal-Only Reflectarray with Multi-Slot Elements,” IEEE Transactions on Antennas and Propagation, 68(9), pp. 6695-6703, 2020, doi: 10.1109/TAP.2020.2993229 (PDF)
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B. Ghassemiparvin*, and N. Ghalichechian, “Reconfigurable Antennas: Quantifying Payoffs for Pattern, Frequency, and Polarization Reconfiguration”, IET Microwaves, Antennas & Propagation, vol. 14, no. 3, pp. 149-153, 2020. https://doi.org/10.1049/iet-map.2019.0473 (PDF)
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K. H. Jeong* and N. Ghalichechian, “3D-Printed 4-Zone Ka-band Fresnel Lens: Design, Fabrication, and Measurement”, IET Microwaves, Antennas & Propagation, Volume 14, Issue 1, pp. 28 – 35, January 2020 https://doi.org/10.1049/iet-map.2019.0117 (PDF)
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B. Ghassemiparvin*, and N. Ghalichechian, “Design, Fabrication, and Testing of a Helical Antenna using 3D Printing Technology”, Microwave and Optical Technology Letters,62(4), pp. 1577-1580, 2020. https://doi.org/10.1002/mop.32184 (PDF)
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K. Zhao*, J. A. Ramsey* and N. Ghalichechian, “Fully 3-D-Printed Frequency-Scanning Slotted Waveguide Array with Wideband Power-Divider,” IEEE Antennas and Wireless Propagation Letters, vol. 18, no. 12, pp. 2756-2760, Dec. 2019, https://doi.org/10.1109/LAWP.2019.2951324 (PDF)
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S. Shah*, B. Ghassemiparvin*, and N. Ghalichechian, “Robust Spin Coating Deposition Process for Paraffin Phase-Change Films”, Microelectronic Engineering, Volume 217, 2019, https://doi.org/10.1016/j.mee.2019.111121 (PDF)
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J. Eichenberger*, E. Yetisir and N. Ghalichechian, “High-Gain Antipodal Vivaldi Antenna with Pseudoelement and Notched Tapered Slot Operating at (2.5 to 57) GHz,” IEEE Transactions on Antennas and Propagation, vol. 67, no. 7, pp. 4357-4366, July 2019, 10.1109/TAP.2019.2906008 (PDF)
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E. Yetisir, J. Li* and N. Ghalichechian, “UWB dual-polarised dipole array with dielectric and FSS superstrate and 65° scanning,” IET Microwaves, Antennas & Propagation, vol. 13, no. 3, pp. 313-321, 2019, https://doi.org/10.1049/iet-map.2018.5626 (PDF)
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B. Ghassemiparvin* and N. Ghalichechian, “Complex Permittivity Measurement of Paraffin Phase-Change Material at 26 GHz-1.1 THz Using Time Domain Spectroscopy”, Journal of Infrared, Millimeter, and Terahertz Waves, 2018, https://doi.org/10.1007/s10762-018-0556-5 (PDF)
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E. Yetisir, N. Ghalichechian and J. L. Volakis, “Ultrawideband Array With 70° Scanning Using FSS Superstrate,” in IEEE Transactions on Antennas and Propagation, vol. 64, no. 10, pp. 4256-4265, Oct. 2016. 10.1109/TAP.2016.2594817 (PDF)
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V. Sanphuang; N. Ghalichechian; N. K. Nahar; J. L. Volakis, “Reconfigurable THz Filters Using Phase-Change Material and Integrated Heater,” in IEEE Transactions on Terahertz Science and Technology, vol. 6, no.4, pp.583-591, 2016 10.1109/TTHZ.2016.2560175 (PDF)
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V. Sanphuang, N. Ghalichechian, N. Nahar, J. Volakis, “Equivalent Circuit for VO2 Phase Change Material Film in Reconfigurable Frequency Selective Surfaces,” Applied Physics Letters, vol. 107, p.253106, 2015, http://dx.doi.org/10.1063/1.4938468 (PDF)
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N. Ghalichechian and K. Sertel, “Permittivity and Loss Characterization of SU-8 Films for mmW and Terahertz Applications,” IEEE Antennas and Propagation Letters, vol.14, pp.723, 726, 2015, http://dx.doi.org/10.1109/LAWP.2014.2380813 (PDF)
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M. I. Beyaz, M. McCarthy, N. Ghalichechian, and R. Ghodssi, “Closed-loop control of a long-range micropositioner using integrated photodiode sensors,” Sensors and Actuators A, vol. 151, pp. 187-194, February 2009, http://dx.doi.org/10.1016/j.sna.2009.02.020 (PDF)
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N. Ghalichechian, A. Modafe, M.I. Beyaz, and R. Ghodssi, “Design, Fabrication, and Characterization of a Rotary Micromotor Supported on Microball Bearings,” IEEE Journal of Microelectromechanical Systems, vol. 17, no 3, pp. 632- 642, June 2008, http://dx.doi.org/10.1109/jmems.2008.916346 (PDF)
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N. Ghalichechian, A. Modafe, J. H. Lang, and R. Ghodssi, “Dynamic Characterization of a Linear Electrostatic Micromotor Supported on Microball Bearings,” Sensors and Actuators A, vol. 136 (2), pp. 416-503, May 2007, http://dx.doi.org/10.1016/j.sna.2006.08.019 (PDF)
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A. Modafe, N. Ghalichechian, A. Frey, J. H. Lang, and R. Ghodssi, “Microball-Bearing-Supported Electrostatic Micromachines with Polymer Dielectric Films for Electromechanical Power Conversion,” Journal of Micromechanics and Microengineering, vol. 16, pp. S182-S190, September 2006, http://dx.doi.org/10.1088/0960-1317/16/9/s03 (PDF)
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A. Modafe, N. Ghalichechian, M. Powers, M. Khbeis, and R. Ghodssi, “Embedded Benzocyclobutene in Silicon (EBiS): An Integrated Fabrication Process for Electrical and Thermal Isolation in MEMS,” Microelectronic Engineering, 82, pp. 154, August 2005, http://dx.doi.org/10.1016/j.mee.2005.07.005 (PDF)
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N. Ghalichechian, A. Modafe, R. Ghodssi, P. Lazzeri, R. Micheli, and M. Anderle, “Integration of Benzocyclobutene Polymers and Silicon Micromachined Structures Using Anisotropic Wet Etching,” Journal of Vacuum Science and Technology (JVST) B, vol. 22, pp. 2439-2447, September 2004, http://dx.doi.org/10.1116/1.1787519 (PDF)
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A. Modafe, N. Ghalichechian, B. Kleber and R. Ghodssi, “Electrical Characterization of Benzocyclobutene Polymers for Electric Micromachines,” IEEE Transactions on Device and Materials Reliability, vol.4, pp. 495-508, September 2004, http://dx.doi.org/10.1109/tdmr.2004.830289 (PDF)