| Influence of electrical contacts on the 1/f noise in individual multi-walled carbon nanotubes. | |
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MedLine Citation:
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PMID: 20657038 Owner: NLM Status: PubMed-not-MEDLINE |
Abstract/OtherAbstract:
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Low-frequency noise of individual MWNTs was investigated with different metal electrodes. Irrespective of the ohmic or non-ohmic voltage-current characteristics, a strong dependence of the noise on the metal contacts was observed. The good electrical contacts with Pd or Pt electrodes enable a quasi-ballistic transport with a bigger exponent in the relation of S1 alpha R4.8, similar to 2D metallic film or graphene. On the other hand, the noise in the case of Cr or Ti electrodes is almost linear with the resistance of the nanotubes, which may be an index of the influence of the contacts in the CNTs. |
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Authors:
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Kanghyun Kim; Doyoung Jang; Kangho Lee; Haeyong Kang; Byung Yong Yu; Jung Il Lee; Gyu Tae Kim |
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Publication Detail:
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Type: Journal Article; Research Support, Non-U.S. Gov't Date: 2010-07-26 |
Journal Detail:
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Title: Nanotechnology Volume: 21 ISSN: 1361-6528 ISO Abbreviation: Nanotechnology Publication Date: 2010 Aug |
Date Detail:
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Created Date: 2010-07-27 Completed Date: 2010-11-03 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 101241272 Medline TA: Nanotechnology Country: England |
Other Details:
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Languages: eng Pagination: 335702 Citation Subset: - |
Affiliation:
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School of Electrical Engineering, Korea University, Sungbuk-gu, Seoul 136-701, Korea. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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