期刊
APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING
卷 97, 期 1, 页码 19-23出版社
SPRINGER HEIDELBERG
DOI: 10.1007/s00339-009-5352-6
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资金
- Iowa State University
In this work, a novel steady-state electro-Raman-thermal (SERT) technique is developed to characterize the thermal transport in one-dimensional micro/nanoscale materials. The SERT technique involves steady-state joule heating of a suspended sample and measuring its middle point temperature based on the temperature dependence of the Raman shift peak intensity. The thermal conductivity is determined from a linear fitting of the temperature against heating power. Multi-wall carbon nanotube bundles are characterized using the SERT technique to verify its measurement capacity. As it does not need to track the transient process of heat transfer, the SERT technique has the great potential for measuring short materials down to nm long.
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