Thin Film laboratories-University of Tehran-IRAN


	Davood Shahrjerdi M.Sc. (Electrical Engineering-Microelectronics) University of Tehran, Tehran, IRAN, fall 2002 to date. Not graduated yet. (21 units have been passed) Total average (up to now): 19.58 Thesis title: Fabrication of Thin Film Transistors (TFTs) on flexible polyethylene terephthalate (PET) substrates. Area of Research: Semiconductor devices and materials. B.Sc. (Electrical Engineering-Electronics) University of Tehran, Tehran, IRAN, 1998-2002 Graduated with GPA 16.28/20.00. The average of last three terms: 18.26 - Experience in crystallization of Ge and Si. - Extensive experience in stress-assisted crystallization of Ge by means of manipulating mechanical stress to flexible substrates. - Extensive experience in fabrication of poly-Ge thin-film transistors on flexible substrates. - Experience in process and device simulation with GENESISe and DESSIS. - Experience in stress-assisted crystallization of Si-Ge alloys on flexible substrates - Familiarity with lateral crystallization of Ge. - Familiarity with UV-assisted Ni-MILC of Si and fabrication of poly-Si TFTs on glass. - Familiarity with CVD technique of TiO2 deposition - Familiarity with Micro Electro Mechanical Systems (MEMS) - Experience in design of high speed and low power OPAMPs. - Familiarity with design of switched-capacitor filters. July 2000-May 2001 Member of R & D Electronics Group, Arsh Industry Company - Contribution in designing and implementation of electronic boards for flame cutting machines (C.N.C). -Contribution in developing a C++ program for controlling the unit. July 2001-to date Research assistant, Thin Film Lab., University of Tehran - Development of a novel technique for low-temperature crystallization of Ge films with small percentage of copper on flexible PET substrates by means of a mechanical compressive stress. - Fabrication of high mobility, Ultra-low-temperature poly-Ge TFTs on flexible substrates, by means of stress-assisted crystallization technique. - Studying the UV-assisted Ni-MILC of Si and working on the fabrication of poly-Si TFTs by exploiting the mentioned technique. - Developing a low-temperature stress-assisted crystallization technique for SiGe alloys containing more than 30 percent Si on flexible PET substrates. Jan. 2003-to date Teaching assistant (Solid State Electronics), University of Tehran Sep. 2003-to date Teaching assistant (Silicon VLSI Technology), University of Tehran 1. D. Shahrjerdi, B. Hekmatshoar, S. Mohajerzadeh and L. Rezaee, “Low temperature stress-induced crystallization of germanium on plastic”, Thin Solid Films, vol. 427, pp. 330-334, March 2003 2. B. Hekmatshoar, D. Shahrjerdi, S. Mohajerzadeh, A. Khakifirooz, A. Goodarzi and M. Robertson, “Low temperature crystallization of amorphous germanium on plastic, by means of externally applied compressive stress” Journal of Vacuum Science and Technology A, vol. 21, no. 3, pp. 752-755, May/June 2003 3. B. Sadeghi, M. Moradi, A. Moafi, S. Mohajerzadeh, B. Hekmatshoar and D. shahrjerdi, “Fabrication of Poly-Ge Based Thermopiles on Plastic”, accepted for publication in IEEE Sensors Journal. 4. B. Hekmatshoar, D. Shahrjerdi, S. Mohajerzadeh, A. Khakifirooz, M. Robertson, A. Tonita and J.C. Bennett, “Low Temperature Stress-Assisted Germanium-Induced Crystallization of Silicon- Germanium Alloys on Flexible PET substrates”, accepted for publication in Journal of Vacuum Science and Technology A. 5. A. Khakifirooz, B. Hekmatshoar, D. Shahrjerdi, A. Afzali-Kusha, and S. Mohajerzadeh, “Analytical Modeling of the Inversion Layer Mobility in Ultra-Thin Single-Gate and Double-Gate SOI Transistors”, to be submitted to IEEE Transactions on Electronic Devices 6. D. Shahrjerdi, B. Hekmatshoar, S. S. Mohajerzadeh, A. Khakifirooz and M. Robertson, “High Mobility Poly-Ge TFTs Fabricated on Flexible Plastic Substrates at Temperatures below 130°C”, Accepted for publication in Journal of Electronic Materials. 7. B. Hekmatshoar, D. Shahrjerdi, S. Mohajerzadeh, M. Robertson, A. Tonita and A. Afzali-Kusha, “Low Temperature Copper-induced Lateral Growth of Poly-Germanium Assisted by External Compressive Stress”, submitted to Journal of Applied Physics. 8. D. Shahrjerdi, B. Hekmatshoar, A. Khakifirooz, and M. Fathipour “An Approach to Low-cost and On-chip Fabrication of COOLMOS Transistors on SOI Wafers ", accepted for publication in Journal of Solid State Electronics. 9. B. Hekmatshoar, D. Shahrjerdi, S. Mohajerzadeh and M. Robertson, “ Thin-Film Tunneling Transistors on Flexible Plastic Substrates Based on Stress-Assissted Lateral Growth of Poly-Germanium”, accepted for publication in Applied Physics Letters 1. B. Hekmatshoar, D. Shahrjerdi, S. Mohajerzadeh and E. Asl Soleimani “Low temperature stressinduced crystallization of germanium on plastic”, presented at European Material Research Society, Strasburg, France, June 2002. 2. B. Hekmatshoar, D. Shahrjerdi, S. Mohajerzadeh, A. Khakifirooz, A. Akhavan and M. Robertson, “Low-temperature Copper-induced Crystallization Technique for Germanium on Flexible PET, by Means of External Compressive Stress”, Proceedings of the Material Research Society Spring Meeting, San Francisco, CA., vol. 618, pp. 255-258, April 2003 3. D. Shahrjerdi, B. Hekmatshoar, S. Mohajerzadeh and A. Khakifirooz, “High Mobility Poly-Ge TFTs on Flexible Plastic Fabricated at 130°C”, Proceedings of the Device Research Conference, Salt Lake City, UT, pp. 85-86, June 2003 4. B. Hekmatshoar, D. Shahrjerdi, S. Mohajerzadeh, A. Khakifirooz, M. Robertson, A. Tonita and J.C. Bennett, “Low Temperature Stress-Assisted Germanium-Induced Crystallization of Silicon- Germanium Alloys on Flexible Plastic”, Presented at the Canadian Semiconductor Technology Conference, Ottawa, Canada, August 2003 5. B. Hekmatshoar, D. Shahrjerdi, S. Mohajerzadeh, A. Khakifirooz and A. Afzali-Kusha, “Stressassisted Copper-induced Lateral Growth of Polycrystalline Germanium”, presented at the Material Research Society Fall Meeting, Boston MA, December 2003 6. D. Shahrjerdi, B. Hekmatshoar, S. Mohajerzadeh and S. Darbari, “Low-temperature Fabrication of High-mobility TFTs on Flexible Plastic”, presented at the International Conference on Microelectronics, Cairo, Egypt, 2003 7. D. Shahrjerdi, B. Hekmatshoar and A. Shoaei, “A Fast Settling, High DC Gain, Low Power OPAMP Design for High Resolution, High Speed A/D Converters”, presented at the International Conference on Microelectronics, Cairo, Egypt, 2003 8. B. Sadeghi Makki, M. Kargar, S. Mohajerzadeh, T. Maleki, and D. Shahrjerdi, “Application of PET Plastics in Micro-sensor Fabrication ”, presented at the International Conference on Microelectronics, Cairo, Egypt, 2003 9. D. Shahrjerdi, B. Hekmatshoar, A. Khakifirooz and M. Fathipour, “An Approach to Low-cost Fabrication of Lateral COOLMOS Structures”, presented at the International Semiconductor Device Research symposium, Washington DC. 2003 10. B. Hekmatshoar, D. Shahrjerdi, S. Mohajerzadeh, A. Khakifirooz and M.D. Robertson, “Poly germanium and germanium-silicon alloys on plastic for realization of thin film transistors”, submitted to the Material Research Society, 2004 Spring Meeting 11. D. Shahrjerdi, B. Hekmatshoar, A. Khakifirooz and A. Afzali-Kusha, “Power Optimization in Ultra- Thin DG SOI Logic Circuits by Means of VT-Control Method”, accepted for 2004 Great Lake Symposium on VLSI























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