期刊
APPLIED PHYSICS LETTERS
卷 98, 期 22, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.3593500
关键词
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资金
- NSF [DMR-0907082, CHE-0911593]
- NSF NIRT [ECCS-0707748]
- Honda RD Co.
- Direct For Mathematical & Physical Scien
- Division Of Materials Research [0907082] Funding Source: National Science Foundation
We characterize radio frequency detection in a high-quality metallic single-walled carbon nanotube. At a bath temperature of 77 K, only bolometric (thermal) detection is seen. At a bath temperature of 4.2 K and low bias current, the response is due instead to the electrical nonlinearity of the non-Ohmic contacts. At higher bias currents, the contacts recover Ohmic behavior and the observed response agrees well with the calculated bolometric responsivity. The bolometric response is expected to operate at terahertz frequencies, and we discuss some of the practical issues associated with developing high frequency detectors based on carbon nanotubes. (C) 2011 American Institute of Physics. [doi: 10.1063/1.3593500]
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