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Mechanical Engineering

Mechanical Engineering

Computational MEMS
Microelectromechanical and Nanoelectromechanical Systems
graduate students working hard


We have a very active research group in computational electrochemistry for micro- and nano-electrochemical systems, and computational photovoltaics to drive our experimental work in organic PV technology. Our work in electrochemistry of micron- and sub-micron systems (microarrays, DNA/Microfluidic chips) has resulted in a number of publications. Results include the first hybridization model in electronically active microarrays and models for the effect of protonation of buffers in promoting DNA hybridization in a narrow pH window.

As one of the collaborative efforts via the recently funded Engineering Research Center, we are working on the design and fabrication of a single crystal piezoelectric PMN-PT based diaphragm for ultrasonic power transmission. The material has a large piezoelectric coefficient and a low dielectric loss compared to conventional piezoelectric materials. One of the present trends in that discipline is making smaller and higher efficiency wireless power transmission devices. Our research will be focused on developing a small PMN-PT single crystal diaphragm with arrays of micro interdigitated electrodes to enhance efficiency of power conversion. We will achieve the research goals through lithography equipment and sponsored research.

Dr. Kassegne



Dept. of Mechanical Engineering, E-326

San Diego State University

5500 Campanile Drive

San Diego, CA 92182-1323