{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"submitter":["Henriques J"],"funding":["Swiss National Science Foundation","Ministerio de Ciencia e Innovaci?n","European Commission","Funda??o para a Ci?ncia e a Tecnologia","Generalitat Valenciana"],"pagination":["3355-3360"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC10958603"],"repository":["biostudies-literature"],"omics_type":["Unknown"],"volume":["24(11)"],"pubmed_abstract":["Motivated by recent experimental breakthroughs, we propose a strategy for designing two-dimensional spin-lattices with competing interactions that lead to nontrivial emergent quantum states. We consider <i>S</i> = <sup>1</sup>/<sub>2</sub> nanographenes with <i>C</i><sub>3</sub> symmetry as building blocks, and we leverage the potential to control both the sign and the strength of exchange with first neighbors to build a family of spin models. Specifically, we consider the case of a Heisenberg model in a triangle-decorated honeycomb lattice with competing ferromagnetic and antiferromagnetic interactions whose ratio can be varied in a wide range. On the basis of the exact diagonalization of both Fermionic and spin models, we predict a quantum phase transition between a valence bond crystal "],"journal":["Nano letters"],"pubmed_title":["Designer Spin Models in Tunable Two-Dimensional Nanographene Lattices."],"pmcid":["PMC10958603"],"funding_grant_id":["101079184","Prometeo2021/017","PTDC/FIS-MAC/2045/2021","PID2019-109539GB-C41","CIACIF/2021/434","PRTR- C1y.I1","MFA/2022/045","205987","CRSII5-205987"],"pubmed_authors":["Ferri-Cortes M","Fernandez-Rossier J","Henriques J"],"additional_accession":[]},"is_claimable":false,"name":"Designer Spin Models in Tunable Two-Dimensional Nanographene Lattices.","description":"Motivated by recent experimental breakthroughs, we propose a strategy for designing two-dimensional spin-lattices with competing interactions that lead to nontrivial emergent quantum states. We consider <i>S</i> = <sup>1</sup>/<sub>2</sub> nanographenes with <i>C</i><sub>3</sub> symmetry as building blocks, and we leverage the potential to control both the sign and the strength of exchange with first neighbors to build a family of spin models. Specifically, we consider the case of a Heisenberg model in a triangle-decorated honeycomb lattice with competing ferromagnetic and antiferromagnetic interactions whose ratio can be varied in a wide range. On the basis of the exact diagonalization of both Fermionic and spin models, we predict a quantum phase transition between a valence bond crystal ","dates":{"release":"2024-01-01T00:00:00Z","publication":"2024 Mar","modification":"2025-04-04T20:07:20.046Z","creation":"2025-04-04T20:07:20.046Z"},"accession":"S-EPMC10958603","cross_references":{"pubmed":["38427975"],"doi":["10.1021/acs.nanolett.3c04915"]}}