Applied Physics A

, Volume 78, Issue 4, pp 539–542 | Cite as

ZnO nanowalls

  • J.Y. Lao
  • J.Y. Huang
  • D.Z. Wang
  • Z.F. Ren
  • D. Steeves
  • B. Kimball
  • W. Porter
Rapid communication

Abstract

Wurtzite ZnO nanowall structures have been synthesized on a (110) Al2O3 substrate by a thermal evaporation and condensation method. The nanowalls are connected to each other and have a thickness of about 20–100 nm. An excellent epitaxial relationship with the substrate has been observed by X-ray diffraction. Edge-dislocation dipoles were observed by transmission electron microscopy. Photoluminescence measurements show strong UV emission at 390 nm for the white-gray nanowalls grown at high temperature, and very weak UV emission for the reddish nanowalls grown at low temperature.

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Copyright information

© Springer-Verlag 2003

Authors and Affiliations

  • J.Y. Lao
    • 1
  • J.Y. Huang
    • 1
  • D.Z. Wang
    • 1
  • Z.F. Ren
    • 1
  • D. Steeves
    • 2
  • B. Kimball
    • 2
  • W. Porter
    • 2
  1. 1.Department of PhysicsBoston CollegeChestnut HillUSA
  2. 2.The US Army Natick Soldier Systems CenterNatickUSA

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