Title page for etd-0718108-122419


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URN etd-0718108-122419
Author Chi-hon Chen
Author's Email Address No Public.
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Department Physics
Year 2007
Semester 2
Degree Master
Type of Document
Language zh-TW.Big5 Chinese
Title Size effect on AlxGa1-xN/GaN nanowire at low
temperature and high magnetic field
Date of Defense 2008-07-08
Page Count 88
Keyword
  • PPC effect
  • Abstract We measured the electronic properties of Two Dimensional Electron Gas in AlxGa1-xN/GaN (x=0.18)heterostructures at low temperature and high magnetic field by Shubnikov-de Hass(SdH) for different width. First, we measurement the electronic properties by Ven der Pauw at 300 K and 77 K. For the series sample,we found that 80 nm,100 nm,900 nm sample have PPC (positive persistent photoconductivity effect) properties. The other samples did not change carrier concentration obviously for long illumination time.
    Advisory Committee
  • Jih-Chen Chiang - chair
  • Ming-Kwei Lee - co-chair
  • Ikai Lo - advisor
  • Files
  • etd-0718108-122419.pdf
  • indicate in-campus access in a year and off_campus not accessible
    Date of Submission 2008-07-18

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