Wisconsin Discovery Portal

Researcher: Zhenqiang (Jack) Ma

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Areas of Expertise
  • Applied physics
  • Computing
  • Information
  • Power
  • High-speed RF devices and circuits, optoelectronic devices and nanophotonics
  • Semiconductor materials processing and heterogeneous integration
  • Flexible electronics, flexible optoelectronics and flexible photonics
  • Energy conversion semiconductor devices
  • Bioelectronics and biomimetics
  • Semiconductor device physics
  • Power electronics
  • Nanoscale SiGe bipolar transistors and quantum effect devices
  • Hybrid integration of organic and inorganic flexible electronics
  • Si nanophotonics, high-speed multispectral imaging
Web Site Jack Ma's Department of Electrical and Computer Engineering Website
Curriculum Vitae (CV)
Issued Patent(s)
  • 9,337,622 - Compact distributed bragg reflectors, issued May 2016.
  • 9,058,993 - Methods for making large-area, free-standing metal oxide films, issued June 2015.
  • 9,006,785 - Doped and strained flexible thin-film transistors, issued April 2015.
  • 8,866,154 - Lattice mismatched heterojunction structures and devices made therefrom, issued October 2014.
  • 8,698,263 - Three-dimensional arrays composed of flexible pin diodes and imaging devices made therefrom, issued April 2014.
USPTO Published Applications
  • 20160097145 - Thermal diffusion doping of diamond, published April 2016.
  • 20160020582 - Compact distributed bragg reflectors, published January 2016.
  • 20160007874 - Transparent and flexible neural electrode arrays, published January 2016.
  • 20140264375 - Lattice mismatched heterojunction structures and devices made therefrom, published September 2014.
  • 20140209977 - Doped and strained flexible thin-film transistors, published July 2014.
Recent Publication(s)
  • A compact parylene-coated wlan flexible antenna for implantable electronics. Jung YH, Qiu Y, Lee S, Shih T-Y, Y Xu, et al. IEEE Antennas and Wireless Propagation Letters . 2016 Apr 20;15(1):1382-1385. doi: 10.1109/LAWP.2015.2510372.

  • Flexible phototransistors based on single-crystalline silicon nanomembranes. Seo J-H, Zhang K, Kim M, Zhao D, H Yang, et al. Advanced Optical Materials. 2016 Jan;4(1):120-125. doi: 10.1002/adom.201500402.

  • Prediction of 4H–SiC betavoltaic microbattery characteristics based on practical Ni-63 sources. Gui G, Zhang K, Blanchard JP, Ma Z. Applied Radiation and Isotopes. 2016 Jan;107(1):272-277. doi: 10.1016/j.apradiso.2015.11.001.

  • Transfer printed nanomembranes for heterogeneously integrated membrane photonics. Yang H, Zhao D, Liu S, Liu Y, J-H Seo, et al. Photonics. 2015;2(4):1081-1100. doi: 10.3390/photonics2041081.
Recent Artistic Works
  • Materials Research Science and Engineering Center
  • Materials Science Program
  • Wisconsin Center for Applied Microelectronics
  • University of Pennsylvania, Department of Mechanical Engineering
Research Tools
Research Facilities
E-mail Address [email protected]
Phone Number 608-261-1095
Current University UW–Madison
Department Electrical and Computer Engineering
Title Professor
Other Appointments
Address Line 1 3445 Engineering Hall
Address Line 2 1415 Engineering Drive
City Madison
State WI
Zip Code 53706
Bachelor's Degree
B.S., Tsinghua University, Applied Physics, 1991
B.S., Tsinghua University, Electronics and Computer Technology, 1991
Master's Degree
M.S., University of Michigan, Materials Science, 1997
M.S., University of Michigan, Electrical Engineering, 1997
PhD Ph.D., University of Michigan, Electrical Engineering, 2001
Other Degrees
Technologies Available for Licensing PIN Diodes for Fast Photodetection, and High-Speed, High-Resolution Imaging and Sensing

High-Power-Gain, Bipolar Transistor Amplifier

Method for Fabricating High-Speed Thin-Film Transistors

Method for Double-Sided Processing of Thin-Film Single-Crystalline Electronics

Flexible Germanium Lateral PIN Diodes and 3-D Arrays for Photodetector Applications

High Performance Amplifiers for Better Wireless Communication

Vertical Cavity Light Sources Based on Stacked Membranes

Thin Metal Oxide Films for Transparent and Flexible Electronics

Flexible Thin-Film Transistors for Mass Production

Improved High-Power Transistor Amplifier for Wireless Communications

Flexible Thin-Film Transistors Are Doped and Strained