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Tolga Kaya

Tolga Kaya
Assistant Professor
Electrical Engineering

ET Building 130G

Personal Web Page


Post-doctorate, Electronics Engineering, Yale University, 2010
Ph.D., Electronics Engineering, Istanbul Technical University, 2007
M.S., Electronics and Communication Engineering, Istanbul Technical University, 2002
B.S., Electronics and Communication Engineering, Istanbul Technical University, 1999

Research Fields

  • Micro Electro Mechanical Systems (MEMS) design, fabrication and testing
  • Fabrication of micro energy scavengers
  • Design of biological sensors, circuits and systems
  • Design and test of data converters
  • Simulation and modeling of fluid hydrodynamics

Current Research Projects

Kaya Lab focuses on multi-disciplinary research on developing sensors for biological and environmental applications. The research includes the modeling and characterization of advanced materials as well as the design and implementation of microelectronic sensor circuits. Kaya Research group will also collaborate with other disciplines to help drug development research on microfluidic devices.

Current projects include the following:

  • Modeling and Characterization of Advanced Materials for Biological and Environmental Monitoring. Biological and environmental monitoring can be more practical if appropriate materials are used. Piezoelectric materials, such as PZT and PVDF, not only link the vibration energy to electrical energy but also generate sensor data that can be processed with circuitry. Therefore, simulation and modeling of new piezoelectric materials will be main research topics for this project. Synthesis, fabrication and testing will also be involved.
  • Microfluidics for Biomedical Studies. Microfluidic devices, in general, can be used for isolation and manipulation of the cells and they are capable of precisely controlled fluid flow, generating dynamically controlled temporal and spatial gradients, and compartmental cultures. Microfluidic fabrication techniques, such as soft lithography, will be used to create chambers to study various diseases on lab-on-a-chip devices.
  • Design and Implementation of Microelectronic Sensor Circuits. This project aims to develop energy efficient CMOS sensor circuits. In this context, low-energy circuit design techniques will be explored. Power conditioning interface circuits, data converters and temperature sensor systems will be the main elements. Wireless communication of each sensor node will also be studied.

Selected Publications

  • B. Marinkovic, T. Kaya, and H. Koser, “Characterization of Ferroelectric Material Properties of Multifunctional Lead Zirconate Titanate for Energy Harvesting Sensor Nodes,” Journal of Applied Physics, 109(1), 014904, 2011.
  • T. Kaya and H. Koser, "Characterization of Hydrodynamic Interactions between the Cell Body and the Bounding Wall for Escherichia Coli in Shear Flow," Physical Review Letters, 103, 138103 (2009).
  • T. Kaya, A. Zeki, and H. Koser, "A novel MEMS based battery-less active RFID system," ITU Journal of Engineering, 7, 89 (2008).
  • T. Kaya and A. Zeki, "A High-Speed CMOS Current Comparator Suitable for Algorithmic Analog-to-Digital Converters," Istanbul University Journal of Electrical and Electronics Engineering, 8, 605 (2008).
  • T. Kaya, H. Koser, and E. Culurciello, "A Low-Voltage Temperature Sensor for Micro Power Harvesters in Silicon-on-Sapphire CMOS," Electronics Letters, 42, 9 (2006).

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