This paper reports on a thermal probe using a carbon nanotube (CNT) on a platinum hot-film. CNT probe is expected to breakthrough the limitations of the existing ones owing to its unique characteristics but no practical thermal device has been fabricated yet. In order to explore the mechanisms of heating and measuring the smaller region than 10nm, we applied our recently developed sensor coupled with CNT, which consists of a suspended platinum film of 40nm × 500nm × 10micrometer. The principle of this probe as heater and sensor is explained, based on one dimensional heat conduction. Fabrication process using MEMS technique is also introduced, especially for a couple of critical techniques. One is to fabricate the nano sensor on an edge of the sensor substrate. The other is to bond a CNT on the suspended hot-film sensor. A CNT thermal probe using a multi-walled CNT of 70nm diameter and ca. 10 micrometers length is successfully fabricated. Its performances are tested in vacuum environment as to eliminate the presence of in-air conduction effect and water absorption effect around the contact point, which work for heat transport dominantly in atmospheric condition and degrade the spatial resolution. Our CNT probe showed a clear and reliable signal in vacuum and its sensitivity available for nanoscale thermal sensing and heating is confirmed.
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ASME 2009 Second International Conference on Micro/Nanoscale Heat and Mass Transfer
December 18–21, 2009
Shanghai, China
Conference Sponsors:
- Nanotechnology Institute
ISBN:
978-0-7918-4390-1
PROCEEDINGS PAPER
Carbon Nanotube Thermal Probe Using Platinum Nano Hot-Film Available to Purchase
Koji Takahashi,
Koji Takahashi
Kyushu University, Fukuoka, Japan
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Jun Hirotani,
Jun Hirotani
Kyushu University, Fukuoka, Japan
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Satoshi Kai,
Satoshi Kai
Kyushu University, Fukuoka, Japan
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Tatsuya Ikuta
Tatsuya Ikuta
Kyushu University, Fukuoka, Japan
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Koji Takahashi
Kyushu University, Fukuoka, Japan
Jun Hirotani
Kyushu University, Fukuoka, Japan
Satoshi Kai
Kyushu University, Fukuoka, Japan
Tatsuya Ikuta
Kyushu University, Fukuoka, Japan
Paper No:
MNHMT2009-18356, pp. 457-462; 6 pages
Published Online:
October 26, 2010
Citation
Takahashi, K, Hirotani, J, Kai, S, & Ikuta, T. "Carbon Nanotube Thermal Probe Using Platinum Nano Hot-Film." Proceedings of the ASME 2009 Second International Conference on Micro/Nanoscale Heat and Mass Transfer. ASME 2009 Second International Conference on Micro/Nanoscale Heat and Mass Transfer, Volume 2. Shanghai, China. December 18–21, 2009. pp. 457-462. ASME. https://doi.org/10.1115/MNHMT2009-18356
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