Microelectromechanical Systems (MEMS)

Dr Lijie Li

 

 

Dr Lijie Li

MEMS group

The MEMS group is led by Dr Lijie Li, who has collaborations with a number of national and international academic and industrial partners in relevant fields.

The group has research activities in micro and nanosystems, sensors and actuators, optical and RF microsystems.

Overview

  1.  Multi-physical modelling of MEMS and NEMS devices through coupled electronic and mechanical approaches.
  2. Characterisations of electronic and mechanical performance for micro and nano devices.
  3. Design of miniaturised sensors and actuators for applications in optical, electrical, biological systems.

Research interests

  • Energy harvesting devices
  • Microscale and nanoscale sensors and actuators
  • Optical and RF MEMS

Find out more about

Research tools/equipment

Various software tools for multi-physical simulation including ANSYS, COMSOL, EWB, and Cadence.

Hardware tools such as basic electronic measurement tools from low frequency to RF; digital microscope for investigating microscale devices; access to SEM in ILS2 for nanoscale devices observation.

Research funding

  • EPSRC Smart MEMS Actuators
  • Leverhulme Trust Multi-physical modelling of micro-batteries
  • Royal Society Micro-sensors platform
  • Energy Harvesting Devices (DRI at Swansea)

Selected publications

  • L Jin, X Wang, and L Li, “Chaotic synchronization of two microresonators with application in mass sensors,” Journal of Applied Physics, vol. 113, March 2013, 093506.
  • J Mei, and L Li, “Frequency self-tuning of ZnO nanoresonator,” Physical E: Low- dimensional Systems and Nanostructures, vol. 46, 2012, pp. 206-212.
  • A Chaehoi, M Begbie, D Weiland, Z Chew, and L Li, “Multiple-output MEMS DC/DC converter: A system modelling study,” Microsystem Technologies, vol. 18, 2012, pp. 1801-1806.
  • Z Chew, L Li, “Localised Zinc Oxide Nanowires Growth on Printed Circuit Board by In-Situ Joule Heating,” Materials Letters, 2012, vol. 76, 2012, pp. 226- 228.
  • Li Li, V Stankovic, L Stankovic, Lijie Li, S Cheng, and D Uttamchandani, “Single pixel optical imaging using a scanning MEMS mirror,” IOP Journal of Micromechanics and Microengineering, vol. 21, no. 2, 2011, 025022.
  • L Li, “Recent development of micromachined biosensors,” IEEE Sensors Journal, vol. 11, no. 2, pp. 305-311, February 2011.
  • Z Chew, L Li, “Design and characterisation of a piezoelectric scavenging device with multiple resonant frequencies,” Sensors and Actuators A: Physical, vol. 162, no. 1, pp. 82-92, July 2010.
  • L Li, J Gomes, G Brown, D Uttamchandani, W Pan, D Weiland, M Begbie, C Lowrie, MPY Desmulliez, “Simultaneous determination of the Young’s modulus and Poisson’s ratio in micro/nano materials,” IOP Journal of Micromechanics and Microengineering, vol. 19, December 2009, no. 125027.
  • L Li and D Uttamchandani, “A microwave dielectric biosensor based on suspended distributed MEMS transmission lines”, IEEE Sensors Journal, vol. 9, no. 12, pp. 1825-1830, December 2009.
  • L Li and D Uttamchandani, “Dynamic response modelling and characterization of a vertical electrothermal actuator,” IOP Journal of Micromechanics and Microengineering, vol. 19, no. 075014, July 2009.
  • L Li and D Uttamchandani, “Flip-chip distributed MEMS transmission lines (DMTL) for biosensing applications,” IEEE Tran. Industrial Electronics, vol. 56, no.4, April 2009, pp. 986-990.

PhD subjects

  1. Piezoelectric energy harvesting devices
  2. Wireless Sensor Network
  3. Nanoscale devices and systems
  4. MEMS sensors and actuators