Field Emission Properties of Carbon Nanotube Pillar Arrays Patterned Directly on Metal Alloy Surfaces

Abstract

Carbon nanotube pillar arrays (CPAs) for cold field emission were fabricated using a conventional photolithography process, and the geometry of these arrays was studied and the effect of pillar height on field emission was quantified. Our CPA samples achieved turn-on fields as low as 0.9 V/micrometer and stable current densities of 10 mA/cm(2) at applied field lower than 6V/micrometer.

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Document Details

Document Type
Technical Report
Publication Date
Apr 01, 2008
Accession Number
ADA493504

Entities

People

  • Bryan P. Ribaya
  • Cattien V. Nguyen
  • Darrell L. Niemann
  • Jessica L. Killian
  • M. Meyyappan
  • Mahmud Rahman
  • Nathaniel Zuckerman ;jeremy Silan

Tags

Communities of Interest

  • Advanced Electronics

DTIC Thesaurus Topics

  • Abstracts
  • Aspect Ratio
  • Carbon Nanotubes
  • Chemistry
  • Current Density
  • Electric Fields
  • Electrostatic Fields
  • Emission
  • Fabrication
  • Field Emission
  • Films
  • Fullerenes
  • High Density
  • Information Operations
  • Manufacturing
  • Materials
  • Nanomaterials

Fields of Study

  • Materials science
  • Physics

Readers

  • Nanocomposite Materials Science
  • Plasma Physics / Magnetohydrodynamics