Objective

•   Postdoctoral Researcher and Mechanical Engineer with expertise in MEMS design, microfabrication, and electromechanical system development. Experienced in cleanroom processes, and skilled in designing, simulating, fabricating, and characterizing high-precision microsystems including electrostatic actuators, resonators, and energy harvesters. Strong foundation in nonlinear dynamics, thermal management, vibration and acoustic testing, and structural analysis. Proficient in CAD, solid mechanics, and hands-on testing of piezoelectric and electromagnetic systems.

•  I’m a U.S. permanent resident and do not require work sponsorship.

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Overview

•  Led process integration and development of advanced MEMS devices on SOI wafers using DRIE, wet/dry etching, thin film deposition, and plasma-enhanced oxide/nitride passivation—supporting wafer-level device performance optimization.

•  Developed and refined manufacturing process flows for resonators, actuators, and micromachined sensor arrays, with a strong emphasis on reliability, repeatability, and yield optimization.

• Troubleshot process deviations and conducted failure root cause analysis using SEM, optical microscopy, profilometry, and cross-sectional inspection to resolve yield-limiting issues and drive continuous improvement.

•  Collaborated with test and material growth teams to correlate process variation with device performance and proposed data-driven process adjustments based on Design of Experiments (DOE) and statistical analysis.

•  Maintained process documentation, created operator training protocols, and ensured compliance with ESD safety and MES-based tracking of production activities.

•   Supported process ramp-up and scale-up, transferring R&D process recipes into pilot production while reducing cycle time and enhancing fab throughput for prototype and flight-qualified devices.

•   Maintained, calibrated, and repaired lab test setups and metrology equipment, ensuring continuous experimental uptime and reliable data acquisition.

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Summary

• • •  Specialized in microfabrication design and processing.  

    • 2 years of experience in designing MEMS actuators and performing fabrication processes in cleanroom environments.  

    •  Designed monitoring systems and equipment for the railway industry.  

    •  Designer of piezoelectric and electrostatic energy harvesting systems.  

    •  5 years of experience developing monitoring systems and equipment for the railway industry.

Research Interest

●MEMS                 ● Micro/Nano Fabrication         ●Energy Harvesting       ●Nonlinear vibration   ● Acoustic      ●Sensor and actuators    ● Metamaterial

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Skills

• Solid Mechanics Design  

•  MEMS Device Design  

• Software Proficiencies: CoventorWare, COMSOL, SOLIDWORKS, MATLAB/Simulink, Altium Designer, ARDUINO, LABVIEW  

• Microfabrication: ALD, CVD, PECVD, PVD, Plasma Physics, Reactive Ion RIE, ALE, ICP, Photo-lithography  

• Microscopy and Spectroscopy: AFM, FIB, SEM, EDS/EDX, Profilometer, Ellipsometer  

• Sensor Design: Micro-scale electrostatic energy harvester, piezoelectric energy harvester, electrostatic speaker, millimeter-scale electromechanical actuator

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Experience

Postdoctoral Researcher — Department of Electrical Engineering, The University of Texas at Dallas, USA                         October 2024 – Present  

•  Developed High-Velocity MEMS Resonator : Designed and fabricated an electrostatic device operating at 11 kHz with 30 m/s tip velocity.

•     Pioneered MEMS Actuator for Speaker Applications : Created a millimeter-scale electrostatic actuator with high force and wide displacement.

•    Engineered Micro Electrostatic Fan : Designed and built a MEMS fan to dissipate 3.5 W from a 1 cm² surface using 60 cc/s airflow.

Visiting Researcher — Department of Electrical Engineering, The University of Texas at Dallas, USA                October 2022 – June 2024

• • •  Developed Electrostatic MEMS/NEMS Energy Harvesters — Designed and fabricated micro-scale systems achieving up to 1 W/footstep and 100 mJ/cm³ energy density using an 8-mask process with sub-2 µm features.

    • Engineered MEMS Resonators with Multi-Level Architecture — Created large-displacement actuators via a 4-mask, ~500 µm deep etch process; overcame narrowing challenges on carrier wafers during DRIE.

    • Designed Custom Silicon Dies — Fabricated dies optimized for multi-device MEMS integration.

Project Manager — Aral Industrial Group, Istanbul, Turkey                                                                                                                  Jan  2016 – Jan 2021

•  Conducted Vibration Analysis and Diagnostics — Performed modal analysis and FFT-based frequency response diagnostics on high-speed rotating systems, including helicopter gearboxes.

•  Developed Train Monitoring and Image Processing Systems : Designed image processing tools for wheel profile analysis and implemented real-time monitoring of key parameters such as flat wheels, ride comfort, braking, voltage, and generator current.

•   Performed Structural Integrity Assessments :Conducted stress testing and technical evaluations to ensure structural reliability under operational loads.

•   Modeled and Simulated Acoustic Problems :Performed design calculations, damping analysis, passive filtering, and testing for acoustic challenges in various projects, including power density damping.

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Education  

Ph.D. in Mechanical Engineering—University of Science & Technology, Tehran                                                                  2018-2024

GPA: 3.6/4

•  Thesis: Design and Analysis of a Rotating Broadband Energy Harvesting System with Auxetic Resonator for Installation on Train Axis

• Enhanced Energy Harvesting from Low-Frequency Rotations : Applied auxetic structures to piezoelectric energy harvesters, significantly increasing power output under low-frequency rotating excitations. 

• Broadened Operational Bandwidth with Nonlinear Bistable Design : Combined bistable mechanisms with auxetic structures to widen the frequency response and substantially boost output power of PZT-based piezoelectric energy harvesters.

• Designed, Fabricated, and Tested a Bladeless Wind Turbine: Developed an electromagnetic-based energy harvester inspired by bladeless turbine principles; awarded First Prize at the ISAV Conference 

M.S. in Mechanical Engineering—  University of Science & Technology, Tehran                                                                   2014-2017 

  GPA: 3.2/4

• Thesis: Design and Manufacturing of Equipment for Ride Comfort Measurement in High-speed Trains Using Micro Electromechanical Sensors

• Collaborated on Development of Train Wheel Profilometer : Contributed to image processing algorithms, CNC fabrication of calibrated test samples, and designed advertising poster to present the product to industrial customers.

B.S. in Mechanical Engineering— Amirkabir University of Technology, Tehran,                                                                2008-2014

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Publications

1.   Moayedizadeh, Armin, and Davood Younesian. "Concurrent enhancement of the bandwidth and power in rotating bistable piezoelectric energy harvesters." Mechanics of Advanced Materials and Structures (2025): 1-21.

2. Moayedizadeh, A., & Younesian, D. (2022). Application of the meta-substrates for power amplification in rotary piezoelectric energy harvesting systems: Design, fabrication and testing. *Energy Reports, 8*, 5653–5667. doi: 10.1016/J.EGYR.2022.04.022  

3. Eghbali, P., Younesian, D., Moayedizadeh, A., & Ranjbar, M. (2020). Study in circular auxetic structures for efficiency enhancement in piezoelectric vibration energy harvesting. *Scientific Reports, 10*(1), 1-11.  

4. Hosseinkhani, A., Younesian, D., Eghbali, P., Moayedizadeh, A., & Fassih, A. (2021). Sound and vibration energy harvesting for railway applications: A review on linear and nonlinear techniques. *Energy Reports, 7*, 852-874.  

5. Hosseinkhani, A., Ebrahimian, F., Younesian, D., & Moayedizadeh, A. (2022). Defected meta-lattice structures for the enhanced localized vibrational energy harvesting. *Nano Energy, 100*, 107488.  

6. Panahi, E., Hosseinkhani, A., Younesian, Moayedizadeh, A. A new circular-maze-shaped phononic crystal with multiband and broadband vibration filtration feature: design and experiment. *Acta Mech* (2022). https://doi.org/10.1007/s00707-022-03357-6

References

1. Prof. Siavash Pourkamali: Professor in Electrical Engineering at the university of Texas at Dallas.

Email: Siavash.Pourkamali@utdallas.edu

https://ece.utdallas.edu/staff/siavash-pourkamali/

https://scholar.google.com/citations?hl=en&user=p5m-1XMAAAAJ 2.

2. Prof. Davood Younesian: Professor in Vibration and Acoustics at Iran University of Science and Technology.

Email: younesian@iust.ac.ir

http://webpages.iust.ac.ir/younesian/

http://www.iust.ac.ir/dr.Davoud Younesian /  

https://scholar.google.com/citations?hl=en&user=3XavkAUAAAAJ 3.

3. Prof. Amir Fassih: Assistant Professor in Mechatronics Engineering at the Iranian Research Organization for Science and Technology.

Email: Fassih@irost.org

https://irost.org/mechanical/Dr.Amir fassih/

https://scholar.google.com/citations?user=M_PBDFEAAAAJ.