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Synthesis of MgNb2O6 by coprecipitation
Affiliation:1. Physical and Materials Chemistry Division, National Chemical Laboratory, Pune 411008, India;2. Center for Materials Characterization, National Chemical Laboratory, Pune 411008, India;1. Department of Physics and Astronomy, University of Turku, Vesilinnantie 5, 20014 Turku, Finland;2. Institute of Physics, Polish Academy of Sciences, Aleja Lotnikow 32/46, PL-02-668 Warsaw, Poland;1. Department of Physics, Hazara University, Mansehra, KPK, Pakistan;2. Materials Modeling Lab, Department of Physics, Islamia College University, Peshawar, Pakistan;3. LPQ3M Laboratory, Institute of Science and Technology, University of Mascara, Algeria;1. State Key Laboratory of Crystal Materials, Shandong University, Jinan 250100, PR China;2. Center for Disease Prevention and Control of Jinan Military Command, Jinan 250014, PR China;1. Department of Electronics and Communication Engineering, Mizoram University (A Central University), Aizawl-796004, India;2. Department of Electronics and Communication Engineering, National Institute of Technology, Silchar-788010, India;1. Center for Composite Materials and structures, Harbin Institute of Technology, Harbin 150080, China;2. Institute of Petrochemistry, Heilongjiang Academy of Sciences, Harbin 150040, China;3. Department of Physics, Harbin Institute of Technology, Harbin 150080, China;4. Academy of Fundamental and Interdisciplinary Sciences, Harbin 150080, China;5. School of Materials Science and Engineering, Dalian Jiaotong University, Dalian 116028, China;1. Universidad del Cauca, Departamento de Física, Grupo de Ciencia y Tecnología de Materiales Cerámicos (CYTEMAC), Popayán, Colombia;2. Federal University of São Carlos, Department of Physics, São Carlos, SP 13565-905, Brazil;3. Federal University of São Carlos, Department of Materials Engineering, São Carlos, SP 13565-905, Brazil
Abstract:A simple coprecipitation technique was used successfully to synthesize fine powders of MgNb2O6 (MN) phase. An aqueous mixture of ammonium carbonate and ammonium hydroxide was used to precipitate Mg2+ and Nb5+ cations as carbonate and hydroxide respectively under basic conditions. This precipitate on heating at 750 °C produced MN powders. For comparison MN powders were prepared by the traditional solid state method. The phase content and the lattice parameters were studied by powder X-ray diffraction (XRD). Particle size and morphology of the particles were studied by scanning electron microscopy (SEM).
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