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dc.contributor.authorLin, JJen_US
dc.contributor.authorHuang, SMen_US
dc.contributor.authorLin, YHen_US
dc.contributor.authorLee, TCen_US
dc.contributor.authorLiu, Hen_US
dc.contributor.authorZhang, XXen_US
dc.contributor.authorChen, RSen_US
dc.contributor.authorHuang, YSen_US
dc.date.accessioned2014-12-08T15:37:17Z-
dc.date.available2014-12-08T15:37:17Z-
dc.date.issued2004-11-17en_US
dc.identifier.issn0953-8984en_US
dc.identifier.urihttp://dx.doi.org/10.1088/0953-8984/16/45/025en_US
dc.identifier.urihttp://hdl.handle.net/11536/25631-
dc.description.abstractWe have systematically measured the electrical transport properties of several RuO2 and IrO2 single crystals over a wide temperature range from 300 K down to 0.3 K to study the conduction mechanisms in these oxides. Our measured resistivities are in close agreement with the recent band-theory calculations for these materials. The characteristic temperatures for the acoustic-mode and optical-mode phonons are determined. Our measured magnetoresistances are positive and follow the Kohler rule, indicating that the transport properties of these oxides exhibit normal behaviour as described by the Boltzmann equation. In contrast, we do not find any signature of superconductivity down to 0.3 K, though the band-theory calculations predict a superconducting transition temperature of similar to5 K. Magnetization measurements suggest a very low level of paramagnetic impurities in our crystals.en_US
dc.language.isoen_USen_US
dc.titleLow temperature electrical transport properties of RuO2 and IrO2 single crystalsen_US
dc.typeArticleen_US
dc.identifier.doi10.1088/0953-8984/16/45/025en_US
dc.identifier.journalJOURNAL OF PHYSICS-CONDENSED MATTERen_US
dc.citation.volume16en_US
dc.citation.issue45en_US
dc.citation.spage8035en_US
dc.citation.epage8041en_US
dc.contributor.department電子物理學系zh_TW
dc.contributor.department物理研究所zh_TW
dc.contributor.departmentDepartment of Electrophysicsen_US
dc.contributor.departmentInstitute of Physicsen_US
dc.identifier.wosnumberWOS:000227153300028-
dc.citation.woscount6-
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