Publications

Book Chapters

  1. J. Abbott, D. Ham, and G. Xu, "All-Electrical Graphene DNA Sensor Array", Biosensors and Biodetection: Methods and Protocols, Volume 2: Electrochemical, Bioelectronic, Piezoelectric, Cellular and Molecular Biosensors, Springer, 169-187 (2017). [Link]

Journal Papers

  1. G. Xu, J. Abbott, and D. Ham. "Optimization of CMOS-ISFET Based Biomolecular Sensing: Analysis and Demonstration in DNA Detection", IEEE Transactions on Electron Devices, 63, 3249-3256 (2016). [Link]

  2. G. Xu, J. Abbott, L. Qin, K. Yeung, Y. Song, H. Yoon, J. Kong and D. Ham. "Electrophoretic and Field-Effect Graphene for All-Electrical DNA Array Technology", Nature Communications, 5: 4866, doi: 10.1038/ncomms5866 (2014). [Link]

  3. G. Xu , Y. Zhang, X. Duan, A. A. Balandin, and K. L .Wang. "Variability Effects in Graphene: Challenges and Opportunities for Device Engineering and Applications", Proceedings of the IEEE, 101, 1670-1688 (2013, special issue on "Emerging Graphene-Based Electronic & Photonic Devices, Circuits, and Systems"). [Link]

  4. G. Xu, C. M. Torres, Jr., J. Tang, J. Bai, E. B. Song, Y. Huang, X. Duan,Y. Zhang, and K. L. Wang. "Edge Effect on Resistance Scaling Rules in Graphene Nanostructures", Nano Letters, 11, 1082-1086 (2011). [Link]

  5. G. Xu, C. M. Torres, Jr., J. Bai, J. Tang, T. Yu, Y. Huang, X. Duan, Y. Zhang, and K. L. Wang. "Line-width Roughness in Nanowire-mask Based Graphene Nanoribbons", Applied Physics Letters, 98, 243118 (2011). [Link]

  6. M. Wang, E. B. Song, S. Lee , J. Tang, M. Lang, C. Zeng , G. Xu, Y. Zhou, and K. L. Wang. "Quantum Dot Behavior in Bilayer Graphene Nanoribbons", ACS Nano, 5, 8769-8773 (2011). [Link]

  7. E. B. Song, B. Lian , S. M. Kim , S. Lee , T-K. Chung , M. Wang , C. Zeng , G. Xu, K. Wong , Y. Zhou , H. I. Rasool , D. H. Seo , H.-J Chung , J. Heo , S. Seo, and K. L. Wang. "Robust Bi-stable Memory Operation in Single-Layer Graphene Ferroelectric Memory", Applied Physics Letters, 99, 042109 (2011). [Link]

  8. G. Xu, C. M. Torres, Jr., Y. Zhang, F. Liu, E. B. Song, M. Wang, Y. Zhou, C. Zeng, and K. L. Wang. "Effect of Spatial Charge Inhomogeneity on 1/f Noise Behavior in Graphene", Nano Letters, 10, 3312-3317 (2010). [Link] [Press Article]

  9. G. Xu, C. M. Torres, Jr., E. B. Song, J. Tang, J. Bai, X. Duan, Y. Zhang, and K. L. Wang. "Enhanced Conductance Fluctuation by Quantum Confinement Effect in Graphene Nanoribbons", Nano Letters, 10, 4590-4594 (2010). [Link] [Press Article]

  10. G. Xu, J. Bai, C. M. Torres, Jr., E. B. Song, J. Tang, Y. Zhou, X. Duan, Y. Zhang, and K. L. Wang. "Low-Noise Submicron Channel Graphene Nanoribbons", Applied Physics Letters, 97, 019034 (2010). [Link]

  11. E. B. Song, B. Lian, G. Xu, B. Yuan, C. Zeng, A. Chen, M. Wang, S. Kim, M. Lang, Y. Zhou, and K. L. Wang. "Visibility and Raman Spectroscopy of Mono and Bilayer Graphene on Crystalline Silicon", Applied Physics Letters, 96, 081911 (2010). [Link]

  12. C. Zeng, M. Wang, Y. Zhou, M. Lang, B. Lian, E. B. Song, G. Xu, J. Tang, C. M.Torres, Jr., and K. L. Wang, "Tunneling Spectroscopy of Metal-Oxide-Graphene Structure", Applied Physics Letters, 97, 032104 (2010). [Link]

  13. G. Xu, F. Liu, S. Han, K. Ryu, A. Badmaev, B. Lei, C. Zhou, and K. L. Wang. "Low-Frequency Noise in Top-Gated Ambipolar Carbon Nanotube Field Effect Transistors", Applied Physics Letters, 92, 223114 (2008). [Link]

  14. G. Xu, W. Zhang, Y. Huang and, J. Peng. "Loss Characteristics of Single-HE11-Mode Bragg Fiber", IEEE Journal of Lightwave Technology, 25, 359-366 (2007). [Link]

  15. G. Xu, W. Zhang, Y. Huang, and J. Peng. "Large Dispersion Properties and Nonlinear Effects in Up/Down Doping Honeycomb Photonic Crystal Fiber", Optical Engineering, 45, 125004, (2006). [Link]

Conference Papers/Talks

  1. K. Piatkevich, E. Jung, G. Xu, F. Chen, and E. Boyden. "Engineering Tools for Mapping Brain Computations", Junior Scientist Workshop on Protein Engineering: Making and Using Tools for Neuroscience and Other Biological Problems, Janelia Research campus, Ashburn (2016).

  2. G. Xu, C. Linghu, K. Piatkevich, K. Adamala, and E. Boyden. "Simultaneous Imaging of Multiple Signaling Pathways in a Living Cell through Spatial Scaffolding", MIT Department of Brain and Cognitive Sciences, Interview Day Poster Session, Cambridge (2016).

  3. G. Xu, K. Piatkevich, K. Adamala, and E. Boyden. "Spatial Multiplexing for Simultaneous Imaging of Multiple Signaling Pathways in a Living Cell", 734.11/DD27, Society for Neuroscience, Chicago (2015).

  4. N. Sun, Y. Liu. L. Qin, G. Xu, and D. Ham. "Solid-State and Biological Systems Interface", 38th ESSCIRC Meeting, pp. 14-17, Boareaux, France, invited paper and plenary talk (2012). [Link]

  5. G. Xu, C. M. Torres Jr., J. Bai, J. Tang, X. Duan, Y. Zhang, and K. L. Wang. "Effect of Edge Disorders on the Scaling Behaviors of Graphene Nanostructures", AA11.4, MRS Fall Meeting, Boston (2011).

  6. G. Xu, Y. Zhang, F. Liu, X. Duan, Y. Huang, and K. L. Wang. "Electronic Transport in Graphene and Graphene Nanoribbons", P21, DOE BES E-Beam Microcharacterization Centers and Nanoscale Science Research Centers Contractors’ Meeting, The Westin Annapolis (2011).

  7. G. Xu, C. M. Torres, Jr., X. Duan, Y. Zhang, and K. L. Wang. "Variability Effects in Graphene: Probing its Charge Distribution, Band Structure and Scaling Behavior", P36, Nature Conference - Graphene: The Road to Applications, Boston (2011).

  8. G. Xu, C. M. Torres, Jr., E. B. Song, J. Tang, J. Bai, X. Duan, Y. Zhang, and K. L. Wang."Low-Frequency Noise of Graphene Nanostructures for Device and Material Characterizations", Y6.7, MRS Spring Meeting, San Francisco, Best Symposium Presentation Golden Award (2011).

  9. G. Xu, C. M. Torres, Jr., E. B. Song, J. Tang, J. Bai, X. Duan, Y. Zhang, and K. L. Wang."Enhanced Conductance Fluctuation by Quantum Confinement Effect in Graphene Nanoribbons", T37.00008, APS March Meeting, Dallas (2011).

  10. G. Xu, J. Bai, C. M. Torres Jr., E. B. Song, J. Tang, Y. Zhou, X. Duan, Y. Zhang, Y. Huang, and K. L. Wang. "Nanowire-Mask Based Fabrication of High Mobility and Low Noise Graphene Nanoribbon Short-Channel Field-Effect Transistors", 68th IEEE Device Research Conference (DRC), III-11, 71-72, Notre Dame (2010). [Link]

  11. G. Xu, C. M. Torres, Jr., Y. Zhang, F. Liu, E. B. Song, M. Wang, Y. Zhou, C. Zeng, and K. L. Wang. "Electron-Hole Puddle Induced Scattering and 1/f Noise Behavior in Graphene", APS March Meeting, BAPS.2010.MAR.L21.9, Portland (2010).

  12. G. Xu, C. M. Torres, Jr., Y. Zhang, F. Liu, E. B. Song, M. Wang, Y. Zhou, C. Zeng, and K. L. Wang. "Effect of Spatial Charge Inhomogeneity on 1/f Noise Behavior in Graphene", 8th International Workshop on Future Information Processing Technologies, Kyoto, Japan, invited (2010).

  13. G. Xu, Y. Zhang, and K. L. Wang. "Effect of Spatial Charge Inhomogeneity on 1/f Noise Behavior in Graphene", 16th International Conference on Superlattices, Nanostructures and Nanodevices, IT-27, Beijing, China, invited (2010).

  14. K. L. Wang, G. Xu, and C. M. Torres. "Random Telegraph Signal and Flicker Noise in Carbon Electronics: Carbon Nanotube and Graphene", LBNL ALS/TMF User Meeting, Berkeley, invited (2009).

  15. G. Xu, C. M. Torres, Jr., Y. Zhang, F. Liu, E. B. Song, M. Wang, Y. Zhou, C. Zeng, and K. L. Wang. "Electron-Hole Puddle Related Scattering in Graphene", LBNL ALS/TMF User Meeting, TMF-34D-CARB, Berkeley (2009).

  16. E. Song, B. Lian, C. Zeng, G. Xu, Y. Zhou, C. M. Torres, M. Wang, and K. Wang. "Fundamental Studies of Graphene on Crystalline Silicon", Nano-DDS Conference, IV (S1) Graphene #3, Fort Lauderdale (2009).

  17. G. Xu, F. Liu, S. Han, K. Ryu, A. Badmaev, C. Zhou, and K. L. Wang. "Low-Frequency Noise in Top-Gated Ambipolar Carbon Nanotube Field-Effect Transistors", APS March Meeting, BAPS.2008.MAR.B35.3, New Orleans (2008).

  18. G. Xu, W. Zhang, Y. Huang, and J. Peng. "Optical Properties of Solid Core Honeycomb Photonic Crystal Fiber with Different Doping Levels", 20th International Optics Conference, Proc. SPIE, 6025, 602505, Changchun, China (2006). [Link]

Invited seminars

  1. [April 2016] University of Massachusetts Medical School, MA.

  2. [March 2016] Worcester Polytechnic Institute, MA.

 

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