{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"omics_type":["Unknown"],"volume":["5"],"submitter":["Cheng Z"],"pubmed_abstract":["In this work, the thermal and electrical transport in an individual silver nanowire is characterized down to 35 K for in-depth understanding of the strong structural defect induced electron scattering. The results indicate that, at room temperature, the electrical resistivity increases by around 4 folds from that of bulk silver. The Debye temperature (151 K) of the silver nanowire is found 36% lower than that (235 K) of bulk silver, confirming strong phonon softening. At room temperature, the thermal conductivity is reduced by 55% from that of bulk silver. This reduction becomes larger as the temperature goes down. To explain the opposite trends of thermal conductivity (κ) ~ temperature (T) of silver nanowire and bulk silver, a unified thermal resistivity (Θ ~ T/k ) is used to elucidate the electron scattering mechanism. A large residual Θ is observed for silver nanowire while that of the bulk silver is almost zero. The same Θ ~ T trend proposes that the silver nanowire and bulk silver share the similar phonon-electron scattering mechanism for thermal transport. Due to phonon-assisted electron energy transfer across grain boundaries, the Lorenz number of the silver nanowire is found much larger than that of bulk silver and decreases with decreasing temperature."],"journal":["Scientific reports"],"pagination":["10718"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC4451791"],"repository":["biostudies-literature"],"pubmed_title":["Temperature dependence of electrical and thermal conduction in single silver nanowire."],"pmcid":["PMC4451791"],"pubmed_authors":["Lu M","Liu L","Xu S","Wang X","Cheng Z"],"additional_accession":[]},"is_claimable":false,"name":"Temperature dependence of electrical and thermal conduction in single silver nanowire.","description":"In this work, the thermal and electrical transport in an individual silver nanowire is characterized down to 35 K for in-depth understanding of the strong structural defect induced electron scattering. The results indicate that, at room temperature, the electrical resistivity increases by around 4 folds from that of bulk silver. The Debye temperature (151 K) of the silver nanowire is found 36% lower than that (235 K) of bulk silver, confirming strong phonon softening. At room temperature, the thermal conductivity is reduced by 55% from that of bulk silver. This reduction becomes larger as the temperature goes down. To explain the opposite trends of thermal conductivity (κ) ~ temperature (T) of silver nanowire and bulk silver, a unified thermal resistivity (Θ ~ T/k ) is used to elucidate the electron scattering mechanism. A large residual Θ is observed for silver nanowire while that of the bulk silver is almost zero. The same Θ ~ T trend proposes that the silver nanowire and bulk silver share the similar phonon-electron scattering mechanism for thermal transport. Due to phonon-assisted electron energy transfer across grain boundaries, the Lorenz number of the silver nanowire is found much larger than that of bulk silver and decreases with decreasing temperature.","dates":{"release":"2015-01-01T00:00:00Z","publication":"2015 Jun","modification":"2025-04-26T07:59:38.864Z","creation":"2019-03-27T01:52:34Z"},"accession":"S-EPMC4451791","cross_references":{"pubmed":["26035288"],"doi":["10.1038/srep10718"]}}