Probing frustrated metallo-molecular spin Kondo lattice interfaces through anomalous Nernst effect
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arXiv
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| Autores principales: | , , , , , , , , , |
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| Formato: | Preprint |
| Publicado: |
2025
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| _version_ | 1866914332487450624 |
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| author | Ozdemir, Servet Rogers, Matthew McCluskey, Conor J. McQuaid, Raymond G. Parkin, Zachariah Ali, Mannan Burnell, Gavin Barker, Joseph Hickey, B J Cespedes, Oscar |
| author_facet | Ozdemir, Servet Rogers, Matthew McCluskey, Conor J. McQuaid, Raymond G. Parkin, Zachariah Ali, Mannan Burnell, Gavin Barker, Joseph Hickey, B J Cespedes, Oscar |
| contents | Frustrated Kondo spin lattice (KSL) systems away from the antiferromagnetic (AFM) ground state have been found to display strange metal behaviour. A signature of strange metals in correlated systems is large Nernst response. Metallo-molecular interfaces of supramolecular lattices have been demonstrated as 2D KSL systems in STM studies. Here going beyond STM experiments we report a frustrated AFM state on molecular interfaces of Pt(111) and Pt(111)/Co films with around room temperature spin freezing transitions. Near these transitions we measure an anomalous Nernst coefficient of at least 3 $μ$V/K. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2510_04824 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Probing frustrated metallo-molecular spin Kondo lattice interfaces through anomalous Nernst effect Ozdemir, Servet Rogers, Matthew McCluskey, Conor J. McQuaid, Raymond G. Parkin, Zachariah Ali, Mannan Burnell, Gavin Barker, Joseph Hickey, B J Cespedes, Oscar Strongly Correlated Electrons Frustrated Kondo spin lattice (KSL) systems away from the antiferromagnetic (AFM) ground state have been found to display strange metal behaviour. A signature of strange metals in correlated systems is large Nernst response. Metallo-molecular interfaces of supramolecular lattices have been demonstrated as 2D KSL systems in STM studies. Here going beyond STM experiments we report a frustrated AFM state on molecular interfaces of Pt(111) and Pt(111)/Co films with around room temperature spin freezing transitions. Near these transitions we measure an anomalous Nernst coefficient of at least 3 $μ$V/K. |
| title | Probing frustrated metallo-molecular spin Kondo lattice interfaces through anomalous Nernst effect |
| topic | Strongly Correlated Electrons |
| url | https://arxiv.org/abs/2510.04824 |