{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"omics_type":["Unknown"],"volume":["147(37)"],"submitter":["Labib F"],"pubmed_abstract":["The present research introduces a novel strategy for tuning magnetic properties by overcoming the compositional limitation of stoichiometric intermetallic compounds via extension of their compositional domain into the valence electron-per-atom (<i>e/a</i>) parameter space. Focusing on approximant crystals (ACs), a \"double heterovalent elemental substitution\" is employed in a stoichiometric Ga-Pt-Gd 2/1 AC whereby <i>e/a</i> is lowered from approximately 1.98 to 1.60. Through this approach, a new family of Ga-based Tsai-type 1/1 ACs with an exceptionally wide compositional domain within <i>e/a</i> space is derived. Remarkably, the magnetic ground state is altered from initially spin-glass to ferromagnetic (FM) with second-order phase transition and mean-field-like critical behavior. More im"],"journal":["Journal of the American Chemical Society"],"pagination":["33424-33431"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC12447484"],"repository":["biostudies-literature"],"pubmed_title":["Derivation of a Nonstoichiometric 1/1 Quasicrystal Approximant from a Stoichiometric 2/1 Quasicrystal Approximant and Maximization of the Magnetocaloric Effect."],"pmcid":["PMC12447484"],"pubmed_authors":["Ishikawa A","Tamura R","Labib F","Takakura H","Fujii T"],"additional_accession":[]},"is_claimable":false,"name":"Derivation of a Nonstoichiometric 1/1 Quasicrystal Approximant from a Stoichiometric 2/1 Quasicrystal Approximant and Maximization of the Magnetocaloric Effect.","description":"The present research introduces a novel strategy for tuning magnetic properties by overcoming the compositional limitation of stoichiometric intermetallic compounds via extension of their compositional domain into the valence electron-per-atom (<i>e/a</i>) parameter space. Focusing on approximant crystals (ACs), a \"double heterovalent elemental substitution\" is employed in a stoichiometric Ga-Pt-Gd 2/1 AC whereby <i>e/a</i> is lowered from approximately 1.98 to 1.60. Through this approach, a new family of Ga-based Tsai-type 1/1 ACs with an exceptionally wide compositional domain within <i>e/a</i> space is derived. Remarkably, the magnetic ground state is altered from initially spin-glass to ferromagnetic (FM) with second-order phase transition and mean-field-like critical behavior. More im","dates":{"release":"2025-01-01T00:00:00Z","publication":"2025 Sep","modification":"2026-06-03T15:02:41.429Z","creation":"2026-04-28T03:11:45.705Z"},"accession":"S-EPMC12447484","cross_references":{"pubmed":["40862478"],"doi":["10.1021/jacs.5c05947"]}}