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Synthesis and optical properties of germanium nanorod array fabricated on porous anodic alumina and Si-based templates

  • Y. F. Mei
  • , Z. M. Li
  • , R. M. Chu
  • , Z. K. Tang
  • , G. G. Siu
  • , Ricky K. Y. Fu
  • , Paul K. Chu
  • , W. W. Wu
  • , K. W. Cheah

    Research output: Journal Publications and ReviewsRGC 21 - Publication in refereed journalpeer-review

    Abstract

    A large quantity of monocrystalline germanium nanorods and their arrays were produced on a porous anodic alumina (PAA) template utilizing saturated vapor adsorption, during which the Ge gas pressure was saturated at a high temperature in an airtight quartz tube. Raman scattering and photoluminescence (PL) results were acquired from the Ge nanorod array and discussed in details. Using Si-based PAA template with 25 nm nanopores, Si-based Ge nanorod array with a large area (larger than 1×1 cm2) was obtained and the quantum confinement effect is demonstrated in Raman spectrum. © 2005 American Institute of Physics.
    Original languageEnglish
    Article number21111
    JournalApplied Physics Letters
    Volume86
    Issue number2
    DOIs
    Publication statusPublished - 10 Jan 2005

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