Useful links

Collaborators

Refereed Journal Publications:

■ M. Qazi, T. Vogt, and G. Koley, “Two-dimensional signatures for molecular identification”, Appl. Phys. Lett. 92, 103120 (2008). (pdf) (Also appears in Virtual Journal of Nanoscale Science and Technology, Mar 24, 2008)

■ M. Qazi, T. Vogt, and G. Koley, “Trace gas detection using nanostructured graphite layers,” Appl. Phys. Lett. 91, 233101 (2007) (pdf) (Also appears in Virtual Journal of Nanoscale Science and Technology, Dec 17, 2007 and in the news in Nanotechweb.org: http://nanotechweb.org/cws/article/tech/33045)

■ Z. Cai, S. Garzon, MVS Chandrasekhar, R. A. Webb and G. Koley, “Synthesis and properties of high quality InN nanowires and nano-networks,” Journal of Electronic Materials 37, 585 (2008) (pdf)

■ Z. Niu, J. Liu, L. A. Lee, M. A. Bruckman, D. Zhao, G. Koley, and Q. Wang, “Biological templated synthesis of water-soluble conductive polymeric nanowires”, Nano Lett. 7, 3729 (2007). (pdf)

■ M. Qazi, G. Koley, S. Park and T. Vogt, "NO₂ detection by adsorption induced work function changes in In₂O₃ thin films", Appl. Phys. Lett. 91, 043113 (2007) (pdf)

■ G. Koley, M. Qazi, L. Lakshmanan, and T. G. Thundat, "Gas Sensing using Electrostatic Force Potentiometry " Appl. Phys. Lett. 90, 173105 (2007) (pdf)

■ G. Koley, J. Liu and K. C. Mandal, "Investigation of CdZnTe crystal defects using scanning probe microscopy" Appl. Phys. Lett. 90, 102121 (2007) (pdf)

■ G. Koley, L. Lakshmanan, H. Wu, and Ho-young Cha, “Nanoscale surface characterization of GaN nanowires correlated with metal contact characteristics,” Physica Status Solidi 204, 1123 (2007). (pdf)

■ Huaqiang Wu, Ho-Young Cha, Mvs Chandrashekhar, M. G. Spencer, and G. Koley “High Yield GaN Nanowire synthesis and Field_Effect Tansistor Fabrication,” J. of Electron. Mater. 35, 670 (2006). (link)

■ Ho-Young Cha, Huaqiang Wu, Mvs Chandrashekhar, Y. C. Choi, S. Chae, G. Koley, and M. G. Spencer, “Fabrication and characterization of pre-aligned gallium nitride nanowire field-effect transistors,” Nanotechnology 17, 1264 (2006). (link)

■ G. Koley, L. Lakshmanan, N. Tipirneni, M. Gaevski, A. Koudymov, G. Simin, A. Khan, Ho-Young Cha, and M. G. Spencer, “Nanoscale capacitance-voltage characterization of two-dimensional electron gas in AlGaN/GaN heterostructures,” Jap. J. Appl.  Phys. Lett. 44, L1348 (2005). (pdf)

Patents:

■ “Method of Sensing Chemical and Bio-molecular Analytes and Sensing System Using a Microcantilever” G. Koley, M. Qazi, and T. Vogt, US Patent Application filed on Nov 26, 2007.

■ “Highly sensitive non-consummable sensor formed on SiC substrates,” MVS Chandrasekhar, Goutam Koley, Muhammad Qazi, and Michael Spencer, Invention disclosure filed in October, 2007 (Cornell University Docket # D4152).

■ “Advanced controller for Scanning Probe Microscope Modes” Rong Liu, Antonello Monti, and G. Koley, Invention disclosure filed on September 12, 2007 (USC Tech Brief 686).

■ “Multi-dimensional Integrated Detection and Analysis System” G. Koley and T. Vogt, Invention disclosure filed on August 10, 2007 (USC Tech Brief 681).

Refereed Conference Presentations:

■ Zhihua Cai, Samir Garzon, Richard A. Webb and Goutam Koley, “Synthesis and Characterization of High Quality InN

Nanowires and Nanonetworks”, poster presented at the Fall MRS Conference, Boston, November 26-30, 2007.

■ Jie Liu, Zhongwei Niu, Zhihua Cai, Qian Wang, and Goutam Koley, “Investigation of tobacco mosaic virus based nanowires using scanning probe microscopy”, accepted for poster presentation at the Fall MRS Conference, Boston, November 26-30, 2007.

■ Jie Liu, Zhihua Cai, Krishna C. Mandal, and Goutam Koley, “Investigation of CdZnTe crystal using scanning spreading resistance microscopy”, accepted for poster presentation at the Fall MRS Conference, Boston, November 26-30, 2007.

■ Mvs Chandrashekhar, M. Qazi, J. Lu, G. Koley, and M. Spencer, “Large Area Nanocrystalline Graphite Films on Sic for Gas Sensing Applications,” Proceedings of IEEE Sensors 2007 Conference, Atlanta, Georgia, October, 2007.

■ M. Qazi, S. Park, T. Vogt and G. Koley, “Investigation of functionalization layers for NO₂ detection,” Proceedings of IEEE Sensors 2007 Conference, Atlanta, Georgia, October, 2007.

■ G. Koley, M. Qazi, S. Park, and T. Vogt, “A Novel Gas Sensing Platform using Microcantilever based Non-contact Potentiometry of Functionalized Substrates,” presented at the Nanoelectronic Devices for Defense and Security Conference, Crystal City, June, 2007.

■ G. Koley, M. Qazi, MVS. Chandrashekhar, M. G. Spencer, and T. Vogt, “Investigation of Graphene and Graphite Nano-crystals layers for sensing,” poster presented at the Nanoelectronic Devices for Defense and Security Conference, Crystal City, June, 2007.

■ Donggao Zhao, Toshihiro Aoki, G. Koley, and Z. Cai, “Performance Characteristics of an Aberration-Corrected Jeol JEM 2100F STEM/TEM at the University of South Carolina,” presented at the Microscopy and Microanalysis Conference, Ft. Lauderdale, Florida, April, 2007.

■ G. Koley and Zhihua Cai, “Growth of gallium nitride nanowires and nanospirals,” poster presented at the Fall MRS Conference, Boston, November 28, 2006.

■ G. Koley and L. Lakshamanan, “Investigation of cantilever resonance applied to potentiometric sensing,” oral presentation at the Fall MRS Conference, Boston, November 28, 2006.

■ G. Koley and L. Lakshamanan, “Electromechanical sensors for environmental monitoring,” oral presentation at the International Symposium on Spectral Sensing Research, Bar Harbor, Maine, June 2, 2006.

■ G. Koley, L. Lakshamanan, A. Khan, Huaqiang Yu, Ho-Young Cha, and M. G. Spencer, “Correlated electrical and structural properties of GaN nanowire based devices,” oral presentation at the Fall MRS Conference, Boston, December 1, 2005.

■ G. Koley, L. Lakshamanan, N. Tipirneni, M. Gaevski, A. Khan, Ho-Young Cha, and M. G. Spencer, “Nanoscale capacitance-voltage measurements on AlGaN/GaN heterostructures,” oral presentation at the Fall MRS Conference, Boston, November 30, 2005.

■ Huaqiang Wu, Ho-Young Cha, Mvs Chandrashekhar, Goutam Koley, and Michael G. Spencer, “GaN Nanowire Field-Effect Transistor Electrical Characterizations and Surface Passivation,” presented at the ChinaNano Conference, Beijing, China, June, 2005.

■ Huaqiang Wu, Ho-Young Cha, Mvs Chandrashekhar, G. Koley, and M. G. Spencer, “High Yield GaN Nanowire FET Fabrication and Characterizations,” presented at the Electronic Materials Conference, Santa Barbara, California, June 23, 2005.