Now showing items 1-13 of 13

    • Characteristics of output voltage and current of integrated nanogenerators 

      Yang, Rusen; Qin, Yong; Li, Cheng; Dai, Liming; Wang, Z. L. (Zhong Lin) (Georgia Institute of TechnologyAmerican Institute of Physics, 2009-01-15)
      Owing to the anisotropic property and small output signals of the piezoelectric nanogenerators (NGs) and the influence of the measurement system and environment, identification of the true signal generated by the NG is ...
    • Combined polarized Raman and atomic force microscopy: In situ study of point defects and mechanical properties in individual ZnO nanobelts 

      Lucas, Marcel; Wang, Z. L. (Zhong Lin); Riedo, Elisa (Georgia Institute of TechnologyAmerican Institute of Physics, 2009-08-04)
      We present a method, polarized Raman (PR) spectroscopy combined with atomic force microscopy (AFM), to characterize in situ and nondestructively the structure and the physical properties of individual nanostructures. ...
    • Controlled synthesis and manipulation of ZnO nanorings and nanobows 

      Hughes, William L.; Wang, Z. L. (Zhong Lin) (Georgia Institute of TechnologyAmerican Institute of Physics, 2005-01-19)
      An experimental procedure is presented for the controlled synthesis and manipulation of ZnO nanorings and nanobows at high purity and large yield. Atomic force microscopy manipulation of the nanostructures demonstrates ...
    • Depth resolved luminescence from oriented ZnO nanowires 

      Rosenberg, R. A.; Haija, M. Abu; Vijayalakshmi, K.; Zhou, Jun; Xu, Sheng; Wang, Z. L. (Zhong Lin) (Georgia Institute of TechnologyAmerican Institute of Physics, 2009-12-14)
      We have utilized the limited penetration depth of x-rays to study the near-surface properties of vertically aligned ZnO nanowires. For an energy of 600 eV the penetration depth varies between 3 and 132 nm as the incidence ...
    • Effects of piezoelectric potential on the transport characteristics of metal-ZnO nanowire-metal field effect transistor 

      Gao, Zhiyuan; Zhou, Jun; Gu, Yudong; Fei, Peng; Hao, Yue; Bao, Gang; Wang, Z. L. (Zhong Lin) (Georgia Institute of TechnologyAmerican Institute of Physics, 2009-06-05)
      We have investigated the effects of piezoelectric potential in a ZnO nanowire on the transport characteristics of the nanowire based field effect transistor through numerical calculations and experimental observations. ...
    • Erratum: Effects of piezoelectric potential on the transport characteristics of metal-ZnO nanowire-metal field effect transistor 

      Gao, Zhiyuan; Zhou, Jun; Gu, Yudong; Fei, Peng; Hao, Yue; Bao, Gang; Wang, Z. L. (Zhong Lin) (Georgia Institute of TechnologyAmerican Institute of Physics, 2009-08-03)
    • Large enhancement in photon detection sensitivity via Schottky-gated CdS nanowire nanosensors 

      Wei, Te-Yu; Huang, Chi-Te; Hansen, Benjamin J.; Lin, Yi-Feng; Chen, Lih-Juann; Lu, Shih-Yuan; Wang, Z. L. (Zhong Lin) (Georgia Institute of TechnologyAmerican Institute of Physics, 2010-01-06)
      The Schottky contact based photon detection was demonstrated using CdS (visible light responsive), silicon (indirect n-type oxygen-non-adsorbing), and CuO (indirect p-type oxygen-adsorbing) nanowire nanosensors. With ...
    • Nanoarchitectures of semiconducting and piezoelectric zinc oxide 

      Gao, Puxian; Wang, Z. L. (Zhong Lin) (Georgia Institute of TechnologyAmerican Institute of Physics, 2005-01-21)
      Semiconducting and piezoelectric zinc oxide has two important structure characteristics: the multiple and switchable growth directions: 010, 20, and 0001; and the {0001} polar surfaces. The fast growth directions create ...
    • Nanopropeller arrays of zinc oxide 

      Gao, Puxian; Wang, Z. L. (Zhong Lin) (Georgia Institute of TechnologyAmerican Institute of Physics, 2004-04-12)
      Polar surface dominated ZnO nanopropeller arrays were synthesized by a two-step high temperature solid-vapor deposition process. The axis of the nanopropellers is a straight nanowire along the c axis and enclosed by {20} ...
    • Polar-surface dominated ZnO nanobelts and the electrostatic energy induced nanohelixes, nanosprings, and nanospirals 

      Kong, Xiang Yang; Wang, Z. L. (Zhong Lin) (Georgia Institute of TechnologyAmerican Institute of Physics, 2004-02-09)
      We report the controlled synthesis of free-standing ZnO nanobelts whose surfaces are dominated by the large polar surfaces. The nanobelts grow along the a axis, their large top/bottom surfaces are the ±(0001) polar planes, ...
    • Self-attraction among aligned Au/ZnO nanorods under electron beam 

      Wang, Xudong; Summers, Christopher J.; Wang, Z. L. (Zhong Lin) (Georgia Institute of TechnologyAmerican Institute of Physics, 2004-12-28)
      Self-attraction among vertical aligned Au/ZnO nanorods under the illumination of an electron beam has been observed. This phenomenon is attributed to the interaction between the accumulation charges near the metal-semiconductor ...
    • Side-by-side silicon carbide–silica biaxial nanowires: Synthesis, structure, and mechanical properties 

      Wang, Z. L. (Zhong Lin); Dai, Z. R.; Gao, Rui Ping; Bai, Zhigang; Gole, James L. (Georgia Institute of TechnologyAmerican Institute of Physics, 2000-11-20)
      Elevated-temperature synthesis has been used to generate side-by-side biaxially structured silicon carbide–silica nanowires. The axial growth direction approaches [311] for nanowires with a high density of microtwins and ...
    • Tracking the catalyzed growth process of nanowires by in situ x-ray diffraction 

      Kirkham, Melanie; Wang, Z. L. (Zhong Lin); Snyder, Robert L. (Georgia Institute of TechnologyAmerican Institute of Physics, 2010-07-06)
      Quasi-one-dimensional nanostructures of silicon, oxides, and other materials show great promise for a variety of applications. These nanostructures are commonly grown using metal catalyst nanoparticles. This paper investigates ...