{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"submitter":["Kumbhakar S"],"funding":["Nano Mission Council, Department of Science and Technology","Indian National Science Academy (INSA)","DST | Science and Engineering Research Board (SERB)","Indian Institute of Science (Indian Institute of Science Bangalore, India)"],"pagination":["61"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC11696232"],"repository":["biostudies-literature"],"omics_type":["Unknown"],"volume":["16(1)"],"pubmed_abstract":["Electrical resistivity in good metals, particularly noble metals such as gold (Au), silver (Ag), or copper, increases linearly with temperature (T) for T > Θ<sub>D</sub>, where Θ<sub>D</sub> is the Debye temperature. This is because the coupling (λ) between the electrons and the lattice vibrations, or phonons, in these metals is weak, with λ ~ 0.1-0.2. In this work, we outline a nanostructuring strategy of crystalline Au where this concept of metallic transport breaks down. We show that by embedding a distributed network of ultra-small Ag nanoparticles (AgNPs) of radius ~ 1-2 nm inside a crystalline Au shell, the electron-phonon interaction can be enhanced, with an effective λ as high as  ≈ 20. With increasing AgNP density, the electrical resistivity deviates from T-linearity and approache"],"journal":["Nature communications"],"pubmed_title":["Engineering ultra-strong electron-phonon coupling and nonclassical electron transport in crystalline gold with nanoscale interfaces."],"pmcid":["PMC11696232"],"funding_grant_id":["DST/NSM/R&D\\_HPC\\_Applications/2021/23","SB/DF/005/2017/","DST/NM/TUE/QM-10/2019","INSA/SP/SS/2023/","PDF/2021/001175"],"pubmed_authors":["Kumbhakar S","Ghosh A","Mandal S","Debnath B","Tongbram B","Soundararaj SH","Jain M","T PS","Krishnamurthy HR","Pandey A","Maji TK"],"additional_accession":[]},"is_claimable":false,"name":"Engineering ultra-strong electron-phonon coupling and nonclassical electron transport in crystalline gold with nanoscale interfaces.","description":"Electrical resistivity in good metals, particularly noble metals such as gold (Au), silver (Ag), or copper, increases linearly with temperature (T) for T > Θ<sub>D</sub>, where Θ<sub>D</sub> is the Debye temperature. This is because the coupling (λ) between the electrons and the lattice vibrations, or phonons, in these metals is weak, with λ ~ 0.1-0.2. In this work, we outline a nanostructuring strategy of crystalline Au where this concept of metallic transport breaks down. We show that by embedding a distributed network of ultra-small Ag nanoparticles (AgNPs) of radius ~ 1-2 nm inside a crystalline Au shell, the electron-phonon interaction can be enhanced, with an effective λ as high as  ≈ 20. With increasing AgNP density, the electrical resistivity deviates from T-linearity and approache","dates":{"release":"2025-01-01T00:00:00Z","publication":"2025 Jan","modification":"2025-04-04T12:02:32.418Z","creation":"2025-04-04T12:02:32.418Z"},"accession":"S-EPMC11696232","cross_references":{"pubmed":["39747046"],"doi":["10.1038/s41467-024-55435-z"]}}