Faculty Profile

Wenjuan Zhu

Micro and Nanotechnology Lab
Wenjuan Zhu
Wenjuan Zhu
Assistant Professor
  • Electrical and Computer Engineering
3258 Micro and Nanotechnology Lab
208 N. Wright Street
Urbana Illinois 61801
(217) 244-9456

Affiliation

  • Electrical and Computer Engineering

Primary Research Area

  • Optoelectronics and Nanophotonics

Education

  • M.S. Electrical engineering, Yale University, New Haven, CT, 1999
  • Ph.D., Electrical engineering, Yale University, New Haven, CT, 2003

For more information

Research Interests

  • Two-dimensional (2D) materials
  • Nano-scale electronic and photonic devices
  • Flexible electronics based on 2D materials
  • Microelectronics

Research Areas

  • Micro and Nanoelectronics
  • Optoelectronics and Nanophotonics

Selected Articles in Journals

  • Min She Tsu-Jae King Chenming Hu Wenjuan Zhu, Zhijiong Luo Jin-Ping Han Tso-Ping Ma, ￿JVD silicon nitride as tunnel dielectric in p-channel flash memory￿, IEEE Electron Device Letters, Vol. 23, Issue: 2, pp. 91-93, (2002)
  • Y. Yang, W. J. Zhu, T.P Ma and S. Stemmer, ￿High-temperature phase stability of hafnium aluminate films for alternative gate dielectrics￿, Journal of Applied Physics, Vol. 95, No.7, pp.3772-3777, (2004)
  • W.J. Zhu, J.P. Han, and T.P. Ma, ￿Mobility Measurement and Degradation Mechanisms of MOSFETs MadeWith Ultrathin High-k Dielectrics￿, IEEE Transactions on Electron Devices, Vol. 51, No.1, pp.98- 105, (2004).
  • W. J. Zhu and T.P. Ma, ￿Temperature dependence of channel mobility in HfO2-gated NMOSFETs￿, IEEE Electron Device Letters, Vol. 25, No. 2, pp. 89- 91, (2004).
  • Wenjuan Zhu, V. Perebeinos, M. Freitag and Ph. Avouris, ￿Carrier scattering, mobilities, and electrostatic potential in monolayer, bilayer, and trilayer graphene￿, Physics Review B, Vol. 80, 235402, (2009)
  • Y.-M. Lin, C. Dimitrakopoulos, D. B. Farmer, S-J. Han, Y. Wu, Wenjuan Zhu, D. K. Gaskill, J. L. Tedesco, R.L. Myers-Ward, C.R. Eddy, Jr., Alfred Grill, and Ph. Avouris, ￿Multicarrier transport in epitaxial multilayer graphene￿, Applied Physics Letters, Vol. 97, 112107, (2010).
  • Wenjuan Zhu, D. Neumayer, V. Perebeinos, and Ph. Avouris, ￿Silicon Nitride Gate Dielectrics and Band Gap Engineering in Graphene Layers￿, Nano Letters, Vol. 10, pp. 3572, (2010).
  • Hugen Yan, Fengnian Xia, Wenjuan Zhu, Marcus Freitag, Christos Dimitrakopoulos, Ageeth A. Bol, George Tulevski, and Phaedon Avouris, ￿Infrared Spectroscopy of Wafer-Scale Graphene￿, ACS Nano, Vol. 5, No.12, pp 9854, (2011)
  • Wenjuan Zhu, C. Dimitrakopoulos, M. Freitag and Ph. Avouris, ￿Layer Number Determination and Thickness-dependent Properties of Graphene Grown on SiC￿, IEEE Transactions of nanotechnology, Vol. 10, No. 5, pp.1196, (2011).
  • Yanqing Wu, Keith A Jenkins, Alberto Valdes-Garcia, Damon B Farmer, Yu Zhu, Ageeth A Bol, Christos Dimitrakopoulos, Wenjuan Zhu, Fengnian Xia, Phaedon Avouris, Yu-Ming Lin, ￿State-of-the-art graphene high-frequency electronics￿, Nano Letters, 12, pp 3062￿3067, (2012)
  • Ching-Tzu Chen, Tony Low, Hsin-Ying Chiu and Wenjuan Zhu, ￿Graphene-Side-Gate Engineering￿, IEEE Electron Device Letters, Vol. 33, No.3, pp. 330, March 2012
  • Hugen Yan, Zhiqiang Li, Xuesong Li, Wenjuan Zhu, Phaedon Avouris, Fengnian Xia, ￿Infrared spectroscopy of tunable dirac terahertz magneto-plasmons in graphene￿, Nano Letters, 12, pp 3766￿3771, (2012)
  • Yanqing Wu, Damon B Farmer, Wenjuan Zhu, Shu-Jen Han, Christos D Dimitrakopoulos, Ageeth A Bol, Phaedon Avouris, Yu-Ming Lin, ￿Three-terminal graphene negative differential resistance devices￿, ACS Nano, 6, pp 2610￿2616, (2012)
  • Hugen Yan, Xuesong Li, Bhupesh Chandra, George Tulevski, Yanqing Wu, Marcus Freitag, Wenjuan Zhu, Phaedon Avouris, Fengnian Xia , ￿Tunable infrared plasmonic devices using graphene/insulator stacks￿, Nature Nanotechnology 7, 330￿334 (2012)
  • Wenjuan Zhu, Tony Low, Vasili Perebeinos, Ageeth A. Bol, Yu Zhu, Hugen Yan, Jerry Tersoff, Phaedon Avouris, ￿Structure and electronic transport in graphene wrinkles￿, Nano Letters, Vol. 12, pp 3431￿3436, (2012)
  • Wenjuan Zhu, Damon Farmer, Keith Jenkins, Bruce Ek, Satoshi Oida, Xuesong Li, Jim Bucchignano, Simon Dawes, Elizabeth A. Duch, and Phaedon Avouris, ￿Graphene radio frequency devices on flexible substrate￿, Appl. Phys. Lett. Vol. 102, 233102 (2013)
  • Marcus Freitag, Tony Low, Wenjuan Zhu, Hugen Yan, Fengnian Xia, Phaedon Avouris, "Photocurrent in graphene harnessed by tunable intrinsic plasmons", Nature Communications, Vol. 4, Article number:1951, (2013).
  • Wenjuan Zhu, Tony Low, Damon B. Farmer, Keith Jenkins, Bruce Ek, and Phaedon Avouris, ￿Effect of dual gate control on the alternating current performance of graphene radio frequency device￿, J. Appl. Phys. 114, 044307 (2013)
  • Hugen Yan, Tony Low, Wenjuan Zhu, Yanqing Wu, Marcus Freitag, Xuesong Li, Francisco Guinea, Phaedon Avouris and Fengnian Xia, "Damping pathways of mid-infrared plasmons in graphene nanostructures", Nature Photonics, 7, pp.394￿399, (2013)
  • Yilei Li, Hugen Yan, Damon B Farmer, Xiang Meng, Wenjuan Zhu, Richard M Osgood, Tony F Heinz, Phaedon Avouris, ￿Graphene plasmon enhanced vibrational sensing of surface-adsorbed layers￿, Nano Letters, Vol.14, pp 1573￿1577, (2014)
  • Marcus Freitag, Tony Low, Luis Martin-Moreno, Wenjuan Zhu, Francisco Guinea and Phaedon Avouris, ￿Substrate-Sensitive Mid-infrared Photoresponse in Graphene￿, ACS Nano, Vol. 8, pp 8350￿8356, (2014)
  • Wenjuan Zhu, Tony Low, Yi-Hsien Lee, Han Wang, Damon B. Farmer, Jing Kong, Fengnian Xia and Phaedon Avouris, ￿Electronic transport and device prospects of monolayer molybdenum disulphide grown by chemical vapour deposition￿, Nature Communications, Vol. 5, Article number: 3087, (2014)

Articles in Conference Proceedings

  • W. C. Yap and W. J. Zhu, "Novel Two-dimensional GeSe-MoS2 PN Heterojunctions", 47th IEEE Semiconductor Interface Specialists Conference, (2016)
  • J. Liu, and W. J. Zhu, "Characterization of Interface States in Black Phosphorus Capacitors with Boron Nitride Gate Dielectrics", 47th IEEE Semiconductor Interface Specialists Conference, (2016)
  • Z. Yang, M.-H. Chuang, Y.-H. Lee, and W.J. Zhu, ￿Electronic Transport and Optical Properties of Two-Dimensional (2D) MoS2-WS2 Heterostructures￿ CNST 14th Annual Nanotechnology Workshop, (2016).
  • W.J. Zhu, D. Farmer, Y. Wu, B. Ek, K. Jenkins, Ph. Avouris, ￿Effect of back-gate bias on Graphene RF device performance￿, APS March Meeting, Volume 58, Number 1, (2013).
  • H. Yan, T. Low, W.J. Zhu, Y. Wu, F. Guinea, F. Xia, Ph. Avouris, ￿Optical Properties of Graphene Nanoribbons￿, APS March Meeting, Volume 58, Number 1, (2013).
  • Z. Chen, H. Yan, X. Li, W.J. Zhu, Ph. Avouris, F. Xia, Z. Li, ￿Tunable magneto-plasmons in graphene: an infrared study￿, APS March Meeting, Volume 58, Number 1. (2013).
  • W.J. Zhu, T. Low, V. Perebeinos, A. A. Bol, Y. Zhu, H. Yan, J. Tersoff, and Ph. Avouris, ￿Structure and electronic transport in graphene wrinkles￿, Material Research Symposium, (2012).
  • H. Yan, F. Xia, X. Li, B. Chandra, G. Tulevski, Y. Wu, M. Freitag, W.J. Zhu, Ph. Avouris, ￿Dirac Plasmas in Graphene￿, APS March Meeting, Volume 57, Number 1, Session P6, (2012).
  • W.J. Zhu, T. Low, V. Perebeinos, A. A. Bol, Y. Zhu, H. Yan, J. Tersoff, and Ph. Avouris, ￿Graphene wrinkles: Structure and effects on electronic transport￿, 4th IBM Semiconductor Technology Symposium, (2012).
  • Y.-M. Lin, C. Dimitrakopoulos, D. Farmer, S.-J. Han, Y. Wu, W.J. Zhu, D. Kurt Gaskill, J. Tedesco, R. Myers-Ward, C. Eddy, Jr., A. Grill, Ph. Avouris, ￿Carrier Transport in Epitaxial Multi-layer Graphene￿, APS March Meeting, Volume 56, Number 1, (2011).
  • W.J. Zhu, C. Dimitrakopoulos, M. Freitag, Ph. Avouris,"Layer Number Determination and Thickness-dependent Properties of Graphene Grown on SiC", American Vacuum Society 58th International Symposium & Exhibition, (2011).
  • P. Jamison, M. Copel, M. Chudzik, M.M. Frank, B.P.Linder, R.Jammy, W. Zhu, “A comparison of electrical and physical properties of MOCVD hafnium silicate thin films deposited using various silicon precursors”, Materials Research Society Symposium Proceedings, v 917, Gate Stack Scaling: Materials Selection, Role of Interfaces, and Reliability Implications, p 95-99, (2006)

Invited Lectures

  • Current transport, gate dielectrics and band gap engineering in graphene devices
  • Graphene material properties and devices
  • Two-dimensional Materials and Nano-scale Devices
  • Two-dimensional Crystals and Nano-scale Devices

Conferences Organized or Chaired

  • Organizer and session chair for America Physical Society (APS) meeting, 2015;

Other Scholarly Activities

  • Reviewer for Nano Letters, IEEE Electron Device Letters, IEEE Transactions on electron devices, Applied Physics Letters, Proceedings of Materials Research Society (MRS) Fall Meeting, Device Research Conference (DRC).

Professional Societies

  • Member of Institute of Electrical and Electronics Engineers (IEEE)
  • Member of American Physical Society (APS)
  • Member of American Vacuum Society (AVS)
  • Member of Material Research Society (MRS)

Honors

  • Invention Achievement Awards at IBM (2005-2013)
  • Invention achieve high value award at IBM (2013)