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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Joohoon Kang Jinhee Ham Jong Wook Roh Seunghyun Lee Wooyoung Lee |
| Copyright Year | 2010 |
| Description | Author affiliation: Department of Materials Science and Engineering, Yonsei University, 262 Seongsanno Seodaemun-gu, Seoul, 120-749, Korea (Joohoon Kang; Jinhee Ham; Jong Wook Roh; Seunghyun Lee; Wooyoung Lee) |
| Abstract | The formation of variable 1D heterostructure including core-shell and tubular nanowire is of particular significance with respect to potential applications for the thermoelectric device with the enhanced figure of merit $(ZT=S^{2}σT/К).$ We report Bi-Te core/shell and Te tubular nanowire fabrication based on the stress induced method. Fig. 1 schematically shows the nanowire fabrication process. Bi nanowires are grown on the Si substrate by the stress-induced method, and then Te is evaporated on the Bi nanowires. Fig. 2 is TEM image clearly shows core/shell structure for which effective phonon scattering and quantum confinement effect are expected. Our results demonstrate that various 1D heterostructure like Bi-Te core/shell and Te tubular nanowire can be grown successfully by the stress-induced method. Based on the result of electrical transport measurement and its characteristic morphology of rough surface, we will measure Seebeck coefficient and thermal conductivity in the future work. |
| Starting Page | 115 |
| Ending Page | 116 |
| File Size | 174641 |
| Page Count | 2 |
| File Format | |
| ISBN | 9781424435432 |
| DOI | 10.1109/INEC.2010.5424564 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2010-01-03 |
| Publisher Place | China |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Fabrication Electric variables measurement Bismuth Conductivity measurement Thermal conductivity Thermoelectric devices Nanowires Structural shells Tellurium Thermal stresses |
| Content Type | Text |
| Resource Type | Article |
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