Journal
APPLIED PHYSICS LETTERS
Volume 94, Issue 19, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.3133355
Keywords
bismuth; electrical resistivity; electron mobility; high-pressure effects; nanofabrication; nanowires; quartz; Seebeck effect
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Funding
- Japan Society for the Promotion of Science
- Science and Technology Foundation of Japan
- Thermal and Electric Energy Technology Foundation
- National Institute for Fusion Science Collaborative Research [NIFS08KYBI007]
- NINS' Creating Innovative Research Fields Project [NIFS08KEIN0091]
- Grants-in-Aid for Scientific Research [20340101] Funding Source: KAKEN
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Bismuth nanowires with lengths of over 1 mm length and diameters of the order of nanometers have been fabricated by high-pressure injection into a quartz template. The temperature dependences of the Seebeck coefficient and resistivity were simultaneously measured over the temperature range of 77-300 K. The Seebeck coefficient and resistivity at 300 K were estimated to be approximately -57 mu V/K and 1.31 mu Omega m, respectively. We also estimated the mobilities of electrons and holes to determine their temperature dependences. We found that the temperature dependence of the resistivity can be accounted for by the reduction in the mobility.
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