Development and characterization of Mn2+-doped MgO nanoparticles by solution combustion synthesis

Mn doped MgO Nanoparticles have been prepared by Solution Combustion Synthesis. The synthesized sample is characterized by X-ray diffraction (XRD), Scanning Electron Microscopy (SEM) and Electron Paramagnetic Resonance (EPR). The prepared MgO:Mn (1 mol%) nano crystals appear to be of simple cubic cr...

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Bibliographic Details
Format: Conference Proceeding
Language:English
Subjects:
Agglomerates
Combustion synthesis
Crystal lattices
Cubic lattice
Electron paramagnetic resonance
Lattice parameters
Magnesium oxide
Manganese ions
Morphology
Nanoparticles
Photomicrographs
Scanning electron microscopy
X ray spectra
X-ray diffraction
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Summary:Mn doped MgO Nanoparticles have been prepared by Solution Combustion Synthesis. The synthesized sample is characterized by X-ray diffraction (XRD), Scanning Electron Microscopy (SEM) and Electron Paramagnetic Resonance (EPR). The prepared MgO:Mn (1 mol%) nano crystals appear to be of simple cubic crystalline phase with lattice parameters a = 4.218(2) Å and cell volume = 74.98 (7) Å3. SEM micrograph of powders show highly porous, many agglomerates with irregular morphology, large voids, cracks and pores. EPR spectrum of the sample at room temperature exhibit an isotropic sextet hyperfine pattern, centered at g=1.99, characteristic if Mn2+ ions with S=I=5/2.The observed g value and the hyperfine value reveal the ionic bonding between Mn2+ and its surroundings.
ISSN:0094-243X
1551-7616
DOI:10.1063/1.4917793