Abstract
The paper studies the structure and basic physical and chemical properties of titanate dysprosium powders produced by mechanochemical synthesis from the low-temperature modification of titanium oxide and modification of dysprosium oxide using X-ray diffraction methods (XRD), scanning electron microscopy, Raman spectroscopy (Raman spectra), transmission electron microscopy, and chemical analyz. Based on XRD it was found that complete conversion of initial oxides into X-ray amorphous dysprosium titanate (Dy 2 TiO 5 ) occurs during mechanical treatment of the mixture for 30–60 min. Microelectron-diffraction pattern of Dy 2 TiO 5 powders produced by mechanical synthesis has a ring-shaped structure with a certain amount of crystalline phase inclusions, which is typical for an X-ray amorphous phase. Dysprosium titanate powder produced by the induction melting method has a regular cubical lattice with a parameter 3,4 A.
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Schedule a callMore From: Izvestiya Vuzov. Poroshkovaya Metallurgiya i Funktsional’nye Pokrytiya (Universitiesʹ Proceedings. Powder Metallurgy аnd Functional Coatings)
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