Abstract
Three bioorganic–inorganic hybrid nanocomposites based on amino acids into layered MnPS 3 have been synthesized and characterized with powder X-ray diffraction (XRD), infrared spectroscopy (IR) and elemental analysis. The expanded MnPS 3 structure as well as the characteristic IR absorption supports the successful and full intercalation of amino acids as the guests into interlayered space of MnPS 3 host. The lattice spacing expansion from XRD patterns indicates that the inserted guest is arranged in the monolayer with carbon chain parallel to the layer of MnPS 3. The magnetic measurements indicate that all three nanocomposites show paramagnetism above 50 K and obey Curie–Weiss law; however, at T c of 40 K a ferrimagnetic transition is observed. The hysteresis of magnetization ( M) versus magnetic field ( H) at 1.85 K further confirms that these intercalation compounds are low-temperature ferrimagnets.
Published Version
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