| Ionic semiconductor: DC and AC conductivity of anilinium tetrathiafulvalene-2-carboxylate. | |
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MedLine Citation:
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PMID: 23302820 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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A single crystal of anilinium tetrathiafulvalene-2-carboxylate exhibits a characteristic electrical conduction; it is a semiconductor with activation-type transport above 200 K; σ(rt) = 0.16 S cm(-1) with an activation energy of 0.11 eV. On the other hand, below 200 K, it does not obey the Arrhenius relation but is conductive even at 4 K with 2.1 × 10(-4) S cm(-1) at a frequency of 2 MHz. Its behavior exhibits strong frequency dependence and suggests a particular conduction coupled with dielectric relaxation, reflecting its ionic nature. The crystal structure of the salt shows that conducting molecules are assembled supramolecularly with multiple nonbonding interactions, such as the hydrogen bond, and the π/π and CH/π interactions. The hydrogen bond and CH/π interactions have a short bond length, which is similar to the charge-assisted-type interaction observed in organometallics. |
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Authors:
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Yuka Kobayashi; Satoshi Sumi; Takeshi Terauchi; Daisuke Hashizume |
Publication Detail:
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Type: JOURNAL ARTICLE Date: 2013-1-10 |
Journal Detail:
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Title: Dalton transactions (Cambridge, England : 2003) Volume: - ISSN: 1477-9234 ISO Abbreviation: Dalton Trans Publication Date: 2013 Jan |
Date Detail:
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Created Date: 2013-1-10 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 101176026 Medline TA: Dalton Trans Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Affiliation:
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Advanced Key Technologies Division, National Institute for Materials Science (NIMS), Sengen 1-2-1, Tsukuba, Ibaraki 305-0047, Japan. kobayashi.yuka@nims.go.jp. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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