来源：ACS PublicationsThe growth of high-entropy alloy (HEA) thin films using the molecular beam epitaxy (MBE) technique widens our horizons in materials design. This technique offers precise control of key parameters (deposition rate, substrate orientation, interfacial, or lattice strain), and it becomes possible to study the interplay existing between the elemental choice, their respective stoichiometry, and the associated physical and chemical properties. Such fine-tuning of HEA with an immense compositional space will bring additional advanced materials with exotic properties. Here, we report...
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2025
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07
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17
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来源：ACS PublicationsDeterministic control of the layering configuration of two-dimensional quantum materials plays a central role in studying their emergent electronic properties. Here we demonstrate in situ control over competing stacking configurations in thin film crystals of the rare-earth diantimonides by synthesizing in proximity to competing structural orders. A crossover between the epitaxially stabilized monoclinic structure and the orthorhombic structure commonly observed in bulk crystals is navigated through three axes─the relative cation/anion ratio, growth temperature, and choice o...
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2025
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07
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来源：ACS Publications Designing functional materials is a promising route to enhance modern technologies. Here, an unreported hexagonal perovskite, LuGaO3, is successfully synthesized in thin-film form, and its structure is characterized and compared to isostructural LuFeO3, along with solid solutions of the two (LuFexGa1–xO3, for x = 0.25–0.75). The addition of gallium was found to degrade the structural quality of LuFeO3, rendering the hexagonal phase nearly unobservable in pure LuGaO3. Extensive growth experiments (and thermodynamic phase diagrams for related systems) suggest a tendency for L...
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2025
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07
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Compensation-Like Temperature and Spin-Flip Switch in Strained Thulium Iron Garnet Thin Films: Tuning Sublattice Interactions for Ferrimagnetic Spintronics 来源：ACS PublicationsCertain rare-earth iron garnet (RIG) thin films combine desirable properties such as low magnetic damping, high magnetostriction, and, in some cases, perpendicular magnetic anisotropy (PMA), making them attractive for spintronics applications. However, the interplay between their magnetic sublattices in confined films remains poorly explored, particularly the coupling between 3d and 4f electrons. Here, we investigate...
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2025
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07
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