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Radial heterostructure and interface effects on thermoelectric transport properties of Bi/Sn and Bi/Sb core/shell nanowires
- Authors
- Moon, Hongjae; Kim, Jeongmin; Chun, Dong Won; Hong, Seokkyoon; Yoon, Young Soo; Lee, Wooyoung
- Issue Date
- Jan-2020
- Publisher
- ELSEVIER
- Keywords
- Core/shell nanowires; On-film formation of nanowires; Heterostructure; Interface; Thermoelectric; Seebeck coefficient
- Citation
- CURRENT APPLIED PHYSICS, v.20, no.1, pp.43 - 48
- Journal Title
- CURRENT APPLIED PHYSICS
- Volume
- 20
- Number
- 1
- Start Page
- 43
- End Page
- 48
- ISSN
- 1567-1739
- Abstract
- The thermoelectric transport properties of Bi/Sn and Bi/Sb core/shell (C/S) nanowires grown by the method of on-film formation of nanowires were systematically investigated. The electrical conductivity and Seebeck coefficient of nanowires with different diameters were measured as a function of the temperature. The contribution of Sn and Sb shells to the total transport in the C/S nanowires was determined using analytical fitting based on the parallel combination of the conducive system model. The carrier-interface boundary scattering at the C/S interface was quantitatively evaluated as the sheet resistance. In addition, the effect of hole doping on the transport properties was also observed in the Bi/Sn C/S nanowires.
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Related Researcher
- Yoon, Young Soo
- Engineering (Department of Materials Science & Engineering)