Publication | Open Access
A multicomponent γ-type (Gd<sub>1/6</sub>Tb<sub>1/6</sub>Dy<sub>1/6</sub>Tm<sub>1/6</sub>Yb<sub>1/6</sub>Lu<sub>1/6</sub>)<sub>2</sub>Si<sub>2</sub>O<sub>7</sub> disilicate with outstanding thermal stability
103
Citations
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References
2020
Year
EngineeringFunctional CeramicSolid-state ChemistryChemistryInorganic MaterialSuperconductivityHigh Entropy EngineeringMaterials ScienceInorganic ChemistryPhysicsNon-perturbative QcdCrystallographyCrystal Structure DesignNatural SciencesApplied PhysicsCondensed Matter PhysicsMulticomponent Rare-earth DisilicateFunctional MaterialsOutstanding Thermal Stability
A multicomponent rare-earth disilicate (Gd1/6Tb1/6Dy1/6Tm1/6Yb1/6Lu1/6)2Si2O7 has been designed and successfully synthesized following the strategy of high entropy engineering. The as-prepared single-phase 6RE-disilicate possesses a new γ-type crystal structure (monoclinic, P21/c) beyond the α-, β- and δ-type parent structures of six single RE disilicates. Six-species RE cations are homogeneously distributed on RE lattice sites and our multicomponent disilicate demonstrates outstanding thermal stability from room temperature up to around 1900°C. This work extends the knowledge of strategic multicomponent modification of complex ceramics with extremely high phase stability.
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