Synthesis and characterization of nanocrystalline MgAl{sub 2}O{sub 4} spinel via sucrose process

Journal Article · Tue May 06 04:00:00 EDT 2008 · Materials Research Bulletin

DOI:https://doi.org/10.1016/j.materresbull.2007.05.031· OSTI ID:21143995

Alinejad, Babak ^[1]; Sarpoolaky, Hosein; Beitollahi, Ali; Saberi, Ali ^[1]; Afshar, Shahrara ^[2]

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1. Ceramic Division, Iran University of Science and Technology, 16846-13114 Tehran (Iran, Islamic Republic of)
2. Department of Chemistry, Iran University of Science and Technology, 16846-13114 Tehran (Iran, Islamic Republic of)

Nanocrystalline MgAl{sub 2}O{sub 4} spinel powder was synthesized using metal nitrates and a polymer matrix precursor composed of sucrose and polyvinyl alcohol (PVA). The precursor and the calcined powders were characterized by simultaneous thermal analysis (STA), X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FT-IR), field emission scanning electron microscopy (FE-SEM) and transmission electron microscopy (TEM). According to XRD results, the inceptive formation temperature of spinel via this technique was between 600 and 700 deg. C. The calcined powder at 800 deg. C for 2 h has faced shaped morphology and its crystallite size is in the range of 8-12 nm. Further studies also showed that the amount of polymeric matrix to metal ions has significant influence on the crystallite size of synthesized magnesium aluminate spinel powder.

• OSTI ID: 21143995
• Journal Information: Materials Research Bulletin, Journal Name: Materials Research Bulletin Journal Issue: 5 Vol. 43; ISSN MRBUAC; ISSN 0025-5408
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
ALUMINATES
CRYSTALS
FOURIER TRANSFORM SPECTROMETERS
FOURIER TRANSFORMATION
INFRARED SPECTRA
MAGNESIUM COMPOUNDS
MORPHOLOGY
NANOSTRUCTURES
NITRATES
PRECURSOR
PVA
SACCHAROSE
SCANNING ELECTRON MICROSCOPY
SPINELS
SYNTHESIS
TEMPERATURE RANGE 0400-1000 K
TEMPERATURE RANGE 1000-4000 K
THERMAL ANALYSIS
TRANSMISSION ELECTRON MICROSCOPY
X-RAY DIFFRACTION