Magneto-optical and magneto-transport studies of electron- electron interactions in organic conductors using fields up to 50T
| Autor: | M. Doporto, Stephen Hill, J.A.A.J. Perenboom, William Hayes, J. M. Caulfield, I. Deckers, Fritz Herlach, M. Kurmoo, Francis L. Pratt, John Singleton, Guido Pitsi, T.J.B.M. Janssen, Peter Day |
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| Rok vydání: | 1993 |
| Předmět: |
Materials science
Magnetoresistance Condensed matter physics Cyclotron resonance Correlated Electron Systems / High Field Magnet Laboratory (HFML) Electron Condensed Matter Physics Electronic Optical and Magnetic Materials Ion chemistry.chemical_compound chemistry Antiferromagnetism Electrical and Electronic Engineering Electrical conductor Magneto GeneralLiterature_REFERENCE(e.g. dictionaries encyclopedias glossaries) Tetrathiafulvalene |
| Zdroj: | Physica B-Condensed Matter, 184, 470-480 Physica B-Condensed Matter, 184, 1-4, pp. 470-480 |
| ISSN: | 0921-4526 |
| DOI: | 10.1016/0921-4526(93)90400-z |
| Popis: | This paper reviews our recent studies of charge-transfer salts of the ion bis(ethylenedithio)tetrathiafulvalene (ET). The first part describes magneto-transport measurements which demonstrate modifications of the band structures of (ET)2KHg(SCN)4 and beta''-(ET)2AuBr2 due to antiferromagnetic order; the antiferromagnetism is probably caused by the presence of spin-density waves. The second part reports cyclotron resonance studies of (ET)2KHg(SCN)4, (ET)2NH4Hg(SCN)4 and (ET)2Cu(SCN)2, which reveal effective masses between 0.4m(e) and 1.2m(e). In contrast, magneto-transport measurements reveal masses between 2.0m(e) and 3.5m(e). The difference between the results is thought to indicate the strength of electron-electron interactions in these materials. |
| Databáze: | OpenAIRE |
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