Characterization of carbon nanotubes grown on Fe70Pd30 film
Creators
- 1. Department of Applied Sciences and Humanities, Faculty of Engineering and Technology, Jamia Millia Islamia Central University, New Delhi 110025 (India)
- 2. Materials Research Laboratories, Industrial Technology Research Institute, Taiwan (CN)
- 3. Department of Materials Sciences and Engineering, National Tsing Hua University, Hsinchu, Taiwan (CN)
- 4. Department of Electronic Science, University of Delhi South Campus, New Delhi (India)
- 5. Department of Physics, Jamia Millia Islamia (Central University), New Delhi 110025 (India)
Description
Carbon nanotubes have been synthesized by a LPCVD on nanocrystalline Fe-Pd film. CNTs are grown for 30min and 1h respectively. From the SEM images, the diameter of these nanotubes varies from 40-80nm and the length is several micro-meter approximately. TEM observations suggest that the CNTs are multi-walled and the structure changes from ordinary geometry of CNTs to bamboo shaped. We have observed sharp G and D bands in the Raman spectra of these carbon nanotubes. Higher D-band is observed for the carbon nanotubes grown for longer time (1h), showing that these nanotubes contain more amorphous carbon. The field emission measurements for these CNTs are also performed. For CNTs grown for longer time (1h), a superior turn-on field of 4.88V/μm (when the current density achieves 10μA/cm2) is obtained and a current density of 29.36mA/cm2 can be generated at 9.59V/μm
Additional details
Identifiers
- DOI
- 10.1016/j.physb.2005.12.250;
- PII
- S0921-4526(05)01614-5;
Publishing Information
- Journal Title
- Physica. B, Condensed Matter
- Journal Volume
- 373
- Journal Issue
- 2
- Journal Page Range
- p. 317-322
- ISSN
- 0921-4526
- CODEN
- PHYBE3
INIS
- Country of Publication
- Netherlands
- Country of Input or Organization
- International Atomic Energy Agency (IAEA)
- INIS RN
- 37070069
- Subject category
- S75: CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY;
- Descriptors DEI
- CARBON; CRYSTALS; CURRENT DENSITY; FIELD EMISSION; FILMS; GEOMETRY; INTERMETALLIC COMPOUNDS; IRON; NANOTUBES; PALLADIUM; RAMAN SPECTRA; SCANNING ELECTRON MICROSCOPY; TRANSMISSION ELECTRON MICROSCOPY
- Descriptors DEC
- ALLOYS; ELECTRON MICROSCOPY; ELEMENTS; EMISSION; MATHEMATICS; METALS; MICROSCOPY; NANOSTRUCTURES; NONMETALS; PLATINUM METALS; SPECTRA; TRANSITION ELEMENTS
Optional Information
- Copyright
- Copyright (c) 2006 Elsevier Science B.V., Amsterdam, The Netherlands, All rights reserved.