Effects of Cs deposition on the field-emission properties of single-walled carbon-nanotube bundles

Description:

This article discusses the effects of Cs deposition on the field-emission properties of single-walled carbon-nanotube bundles.

Creator(s):
Creation Date: January 1, 2001
Partner(s):
UNT College of Arts and Sciences
Collection(s):
UNT Scholarly Works
Usage:
Total Uses: 110
Past 30 days: 6
Yesterday: 1
Creator (Author):
Wadhawan, Atul

University of North Texas

Creator (Author):
Stallcup, Richard E.

University of North Texas

Creator (Author):
Pérez, José M.

University of North Texas

Publisher Info:
Place of Publication: [College Park, Maryland]
Date(s):
  • Creation: January 1, 2001
Description:

This article discusses the effects of Cs deposition on the field-emission properties of single-walled carbon-nanotube bundles.

Degree:
Department: Physics
Note:

Copyright 2001 American Institute of Physics. Applied Physics Letters, 78:1, http://apl.aip.org/resource/1/applab/v78/i1/p108_s1

Note:

Abstract: We report the effects of Cs deposition on the field-emission (FE) properties of single-walled carbon-nanotube bundles. We observe that Cs deposition decreases the turn-on field for FE by a factor of 2.1-2.8 and increases the FE current by six orders of magnitude. After Cs deposition, the FE current versus voltage (I-V) curves show non-Fowler-Nordheim behavior at large currents, consistent with tunneling from adsorbate states. At lower currents, the ratio of the slope of the FE I-V curves before and after Cs deposition is approximately 2.1. Exposure to N2 does not decrease the FE current, while exposure to O2 decreases the FE current.

Physical Description:

3 p.

Language(s):
Subject(s):
Keyword(s): carbon nanotubes | electron field emissions | adsorption | tunnelling | surface states | caesium | vacuum microelectronics
Source: Applied Physics Letters, 2001, College Park: American Institute of Physics, pp. 108-110
Partner:
UNT College of Arts and Sciences
Collection:
UNT Scholarly Works
Identifier:
  • DOI: 10.1063/1.1338493
  • ARK: ark:/67531/metadc84148
Resource Type: Article
Format: Text
Rights:
Access: Public
Citation:
Publication Title: Applied Physics Letters
Volume: 78
Issue: 1
Page Start: 108
Page End: 110
Pages: 3
Peer Reviewed: Yes