Abstract
AbstractHybridization of nanomaterials, combined by interfacial fusion, have drawn tremendous interests because of their novel properties induced by structurally matched interfaces. Here we report a solvothermal route that can synthesize β‐FeSe/SrTiO3‐x composites made of β‐FeSe nanosheets (NSs) and SrTiO3‐x nanoparticles (NPs). Various spectroscopic data such as XRD, SEM, and TEM with elemental maps confirm the formation of nanocomposite architecture. Electron microscopy images of β‐FeSe/SrTiO3‐x show that small SrTiO3‐x NPs in the cuboidal form are firmly bound to a sizable β‐FeSe sheet with a thickness of several nanometers. The β‐FeSe/SrTiO3‐x composite shows paramagnetic, which was determined using a SQUID magnetometer. The ferromagnetic property of individual FeSe NPs appears to be suppressed by interfacial interaction between β‐FeSe and SrTiO3‐x, clearly showing the presence of the proximity‐induced effect in the nanocomposites.
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