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Structural changes In Nickel Nanaorods encapsulated In Carbon Nanotubes By 200 KV electron irradiation In TEM

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Title Structural changes In Nickel Nanaorods encapsulated In Carbon Nanotubes By 200 KV electron irradiation In TEM
 
Creator KULSHRESTHA, N
HAZRA, KS
ROY, S
BAJPAI, R
MOHAPATRA, DR
MISRA, DS
 
Subject magnetic-properties
nanoparticles
tips
carbon nanotubes
electroplating
ni nanorods
electron irradiation
 
Description Nickel nanorods encapsulated inside multiwalled carbon nanotubes were synthesized using microwave plasma chemical vapor deposition (MPCVD) technique. HRTEM study of these tubes exhibits long, good crystalline nickel filled CNTs with well-graphitized walls. Different orientations of filled metal with respect to graphitic walls have been observed and the orientations were found to get affected by the electron accelerating voltages of 200 KV. We report that by deliberate e-irradiation at specific sites the crystalline planes of nickel can change their orientation. With continuous irradiation for 10-15 minutes the nickel starts evolving out of the tube. We propose that metal at the tip of the tube may be exposed by employing e-beam irradiation and it may be useful to study the true electrical properties of both the multiwalled carbon nanotubes and Ni nanorod inside the tube.
 
Publisher AMER INST PHYSICS
 
Date 2011-10-23T12:33:27Z
2011-12-15T09:11:09Z
2011-10-23T12:33:27Z
2011-12-15T09:11:09Z
2010
 
Type Proceedings Paper
 
Identifier INTERNATIONAL CONFERENCE ON PHYSICS OF EMERGING FUNCTIONAL MATERIALS (PEFM-2010),1313,259-261
978-0-7354-0868-5
0094-243X
http://dspace.library.iitb.ac.in/xmlui/handle/10054/15130
http://hdl.handle.net/100/1885
 
Source International Conference on Physics of Emerging Functional Materials,Mumbai, INDIA,SEP 22-24, 2010
 
Language English