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Quantum Engineered Systems & Technology

Group Members


Prof_Shakouri_pic2.jpg Ali Shakouri is Mary Jo and Robert L. Kirk Director of the Birck Nanotechnology Center and Professor of Electrical and Computer Engineering at Purdue University. He received his engineering degree from Telecom Paris in 1990 and Ph.D. from the California Institute of Technology in 1995. His current research is on nanoscale heat and current transport in semiconductor devices, high resolution thermal imaging, micro refrigerators on a chip, and waste heat recovery. He is also working on a new sustainability curriculum in collaboration with colleagues in engineering and social sciences. He received the Packard Fellowship in Science and Engineering in 1999, the NSF Career award in 2000, and the Semitherm THERMI award in 2014.

kaz-yazawa_pic.jpg Kazuaki Yazawa is a Research Associate Professor of Birck Nanotechnology Center at Purdue University and an Adjunct Professor of Electrical Engineering at University of California Santa Cruz. He holds a Ph.D. degree from Toyama Prefectural University in Japan. He is a thermal and thermo-energy engineer worked as a Distinguished Engineer for Sony Corporation experienced nearly 30 years on electronics products. The area of interest includes the thermoelectric power generation and the thermoelectric refrigeration in applications ranging from a microelectronics chip all the way up to the scale of various buildings and power grids. Recent work on the use of thermoelectric co-generation with solar energy extensively explores a new era of the renewable energy technologies. His recent work also includes time domain analysis on the optimization of tri-generation (electricity, heating, and refrigeration) for maximum use of intermittent natural energy sources and unsteady energy loads, as well as on the quantum scale non-equilibrium heat transfer for energy applications. Dr. Yazawa is actively serving as a member of numerous international societies and conference committees in heat transfer, thermal management, and electronics packaging across Japan, the United States, and Europe.


Post Doctoral



Kerry Maize received his B.S. in Electrical Engineering and Computer Science from UC Berkeley in 2002. He came to UCSC in 2005 to pursue graduate study in the areas of quantum electronics and nanoscience. His current work is focused on optical coherence tomograohy and thermal device characterization. Prior to engineering Kerry worked in journalism.



Graduate Students


Amirkoushyar Ziabari is a PhD student at QUEST group at Purdue University. His thesis is on "Imaging and Finite Element Approaches for Multiscale Electrothermal Phenomena". Currently, he is mainly focused on study of nanoscale heat transport and sub-diffraction imaging of thermal effects in semiconductor devices. He is using image processing techniques to extract 2D temperature distribusion of sub-diffraction devices from thermoreflectance thermal imaging microscopy and study heat transport at nanoscale. He has also studied the linear and non-liner thermoelectric effects in semiconductors both experimentally and theoretically. Thermal stress analysis in high temperature thermoelectrics and their reliability study are other main projects he was involved in.

Amirkoushyar received his B.Sc and M.Sc in Electrical Engineering from AmirKabir University (Tehran Polytechnic), Sharif University of Technology, Tehran, Iran, and University of California Santa Cruz (UCSC), respectively. During his masters study at UCSC, he developed a self-consistent and fast transient thermal modeling technique (Adaptive Power Blurring) for VLSI ICs and 3D ICs in packages.



Amr Mohammed received his B.Sc. in Electrical Engineering from Cairo University , Egypt in 2008. Then , He received his M.Sc. in Engineering Physics from Cairo University in 2011. He Joined the QUEST for pursuing his PhD in 2012. He is working on high temperature characterization of nanostructured thermoelectric materials. In addition , He is working on Ballistic Heat Transport in Thin films.





Yee Rui Koh received his B.S. degree in Mechanical Engineering from the University Technology Malaysia in 2010. He joined the Quantum Electronics Group in fall 2011 to pursue his PhD degree under the supervision of Prof. Shakouri. His current research involves femtosecond pump-probe laser techniques on the measurement of nano-scale heat conductivity.





Dr. Bjorn Vermeersch was a former post-doc at QUEST group at Purdue University. He is currently a research associate at LITEN, CEA-Grenoble. Through his previous research appointment at Ghent University, UC Santa Cruz, and Purdue University  he has gathered 9 years of both theoretical and experimental experience in thermal transport in electronic devices and semiconductor materials. Key experties include microscopic heat conduction modeling through stochastic framework and semi-analytical BTE solutions, and quasiballistic interpretation of time domain thermoreflectance (TDTR) and transient thermal grating (TTG) measurements.



Dr. Je-Hyeong Bahk was a former post-doc at QUEST group at Purdue University. He is currently an assistant professor at University of Cincinnati. He holds a PhD he earned in 2010 in Electrical and Computer Engineering from University of California Santa Barbara. His M.Sc and B.Sc are both in Electrical Engineering from Seoul National University.

Upon completion of his PhD Dr. Bahk joined professor Shakouri's group at UCSC from 2010-2012 and later at Purdue University from 2012-2015. He has three book chapters and more than fifty peer reviewed journal and conference papers in the area of thermoelectric, and created several online simulation tools related to thermoelectric devices and materials.




Dr. Tela Favaloro received her B.S. degree in physics with an emphasis in astrophysics from UC Santa Cruz in 2005. She joined the QEG group in 2007 and worked on the high temperature characterization of nanostructured thermoelectric materials. Her research was in thermoelectric material design for waste heat recovery and renewable energy. She is currently working as staff research scientist at Center for Sustainable Energy and Power Systems.



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Kevin Margatan, international undergraduate student from Indonesia and senior in Mechanical Engineering pursuing Bachelor's degree at Purdue University. Joined nanoHUB Summer 2013 as SURF (Summer Undergraduate Research Fellowship) intern. Worked on Prof. Gerhard Klimeck's Crystal Viewer tool and supervised by Dr. Jim Fonseca and Dr. Tanya Faltens. Continued during Fall 2013 with Prof. Ali Shakouri in developing several thermoelectric simulation tools assisted by Dr. Je-Hyeong Bahk and Prof. Kazuaki Yazawa. Currently working on advanced thermoelectric device simulation improving current version of "thermo" tool on


Hemanth Chenchu is currently pursuing his B.S. degree in Electrical Engineering at Purdue University along with a Certificate in Entrepreneurship. He joined this group as part of his Summer Undergraduate Research Fellowship with the university. He is currently working on developing a tool to simulate the efficiency as well as power output of a combination of photovolatic and thermoelectric devices by varying specific properties.

Contact Information

Prof. Ali Shakouri

Birck Nanotechnology Center
1205 West State Street
West Lafayette, IN 47907-2057

Phone: 765-496-6105
Fax: 765-496-8383