Gu Research Group Website


Nanoscience and Engineering, Materials Physics


Ph.D. Columbia University

Recent Publications

  • C.-H. Hsu, Q. Wang, X. Tao, and Y. Gu, “Electrostatics and electrical transport in semiconductor nanowire Schottky diodes“, Applied Physics Letters 101, 183103 (2012).
  • E. Mafi, A. Soudi, and Y. Gu, “Electronically driven amorphization in phase-change In2Se3 nanowires,” Journal of Physical Chemistry C 116, 22539 (2012)”
  • A. Soudi, C.-H. Hsu, and Y. Gu, “Diameter-dependent surface photovoltage and surface state density in single semiconductor nanowires,” Nano Letters 12, 5111 (2012)
  • A. Soudi, G. Aivazian, S.-F. Shi, X. D. Xu, and Y. Gu, Probing transconductance spatial variations in graphene nanoribbon field-effect transistors using scanning gate microscopy, Applied Physics Letters 100, 033115 (2012).
  • A. Soudi, R. D. Dawson, and Y. Gu, Quantitative heat dissipation characteristics in current-carrying GaN nanowires probed by combining scanning thermal microscopy and spatially resolved Raman spectroscopy, ACS Nano 5, 255 (2011).
  • A. Soudi, P. Dhakal, and Y. Gu, Diameter dependence of the minority carrier diffusion length in individual ZnO nanowires, Applied Physics Letters 96, 253115 (2010).
  • F. Xu, Q. Qin, A. Mishra, Y. Gu, and Y. Zhu, Mechanical properties of ZnO nanowires under different loading modes, Nano Research 3, 271 (2010).
  • Y. Zhu, Q. Qin, Y. Gu, and Z. L. Wang, Friction and Shear Strength at the Nanowire-Substrate Interfaces,Nanoscale Research Letters 5, 291 (2010).
  • A. Soudi, R. Lopez Jr., R. D. Dawson, and Y. Gu, Anharmonic phonon coupling in vapor-liquid-solid grown ZnO nanowires, Applied Physics Letters 95, 193111 (2009).
  • A. Soudi, E. H. Khan, J. T. Dickinson, and Y. Gu, Observation of unintentionally incorporated nitrogen-related complexes in ZnO and GaN nanowires, Nano Letters 9, 1844 (2009).