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Fabrication, Densification, and Replica Molding of 3D Carbon Nanotube Microstructures
Published on: July 2, 2012
Carbon nanotube based 3-D matrix for enabling three-dimensional nano-magneto-electronics [corrected]
Jeongmin Hong1, Eugenia Stefanescu, Ping Liang
1Department of Electrical and Computer Engineering, Florida International University, Miami, Florida, United States of America. jehong@fiu.edu
Plos One
|July 19, 2012
Summary
Vertically aligned carbon nanotubes (CNT) arrays with cobalt (Co) nanoparticles offer potential for ultra-high-density 3-D nano-magneto-electronic devices. This study confirms the presence of 2-nm Co layers within CNTs using VSM and EDS analysis.
Area of Science:
- Materials Science
- Nanotechnology
- Condensed Matter Physics
Background:
- Vertically aligned carbon nanotubes (CNTs) offer unique structural properties for advanced electronic applications.
- Nanoparticle integration within CNTs is a key challenge for creating novel electronic devices.
Purpose of the Study:
- To investigate the feasibility of using CNT-based arrays with embedded cobalt (Co) nanoparticles for 3-D nano-magneto-electronic devices.
- To confirm the successful deposition and orientation of Co nanoparticles within individual CNTs.
Main Methods:
- Fabrication of vertically aligned CNT arrays.
- Deposition of approximately 2-nm thick cobalt (Co) nanoparticles within individual CNTs.
- Characterization using Vibrating Sample Magnetometry (VSM) and Energy-Dispersive X-ray Spectroscopy (EDS).
Main Results:
- Confirmation of oriented 2-nm thick Co layers within individual nanotubes.
- VSM measurements indicated magnetic properties consistent with nanoparticle formation.
- EDS analysis verified the presence and distribution of cobalt within the CNT matrix.
Conclusions:
- Vertically aligned CNT arrays with embedded Co nanoparticles serve as promising templates for ultra-high-density, low-energy 3-D nano-magneto-electronic devices.
- The integration of Co nanoparticles within CNTs is achievable and verifiable using standard characterization techniques.
