LOW TEMPERATURE MOLTEN SALT SYNTHESIS OF NANO CRYSTALLINE MGAL2O4 POWDER

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SAFAEI NAEINI Y.; GOLESTANI FARD F.; KHORASANIZADEH F.; AMINZARE M.; ZHANG S.

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Paper Information

Journal: IRANIAN JOURNAL OF MATERIALS SCIENCE AND ENGINEERING Year:2011 | Volume:8 | Issue:3 Page(s): 23-28

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Title

LOW TEMPERATURE MOLTEN SALT SYNTHESIS OF NANO CRYSTALLINE MGAL2O4 POWDER

Author(s)

SAFAEI NAEINI Y. | GOLESTANI FARD F. | KHORASANIZADEH F. | AMINZARE M. | ZHANG S.

Keywords

SPINEL NANO POWDER

MOLTEN SALT METHOD

BOEHMITE

Abstract

MgAl2O4 (MA) nano powder was synthesized via molten salt technique, by heating stochiometric composition of MgO and nano boehmite. The reactant and potassium chloride, as the reaction media, were fired at 800-1000 oC at different dwell times (0.5-5 h) in the ambient atmosphere. After washing and filtration, the spinel nano powder was characterized by X-ray diffraction (XRD), Scanning electron microscopy (SEM), and Brunauer-Emmett-Teller (BET) techniques. It was demonstrated that the formation temperature decreased to 850 oC. The nano spinel particles revealed an average size of 30 nm with a narrow size distribution. The mechanism of MgAl2O4 formation was found to be a template type where the morphology and size of product were similar to those of alumina formed from boehmite decomposition. Prolonging the reaction time from 0.5 to 3 h, the reaction was further completed and crystallinity was improved. However, the increase of temperature was more effective in this regard.

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APA: Copy

SAFAEI NAEINI, Y., GOLESTANI FARD, F., KHORASANIZADEH, F., AMINZARE, M., & ZHANG, S.. (2011). LOW TEMPERATURE MOLTEN SALT SYNTHESIS OF NANO CRYSTALLINE MGAL₂O₄ POWDER. IRANIAN JOURNAL OF MATERIALS SCIENCE AND ENGINEERING, 8(3), 23-28. SID. https://sid.ir/paper/276787/en

Vancouver: Copy

SAFAEI NAEINI Y., GOLESTANI FARD F., KHORASANIZADEH F., AMINZARE M., ZHANG S.. LOW TEMPERATURE MOLTEN SALT SYNTHESIS OF NANO CRYSTALLINE MGAL₂O₄ POWDER. IRANIAN JOURNAL OF MATERIALS SCIENCE AND ENGINEERING[Internet]. 2011;8(3):23-28. Available from: https://sid.ir/paper/276787/en

IEEE: Copy

Y. SAFAEI NAEINI, F. GOLESTANI FARD, F. KHORASANIZADEH, M. AMINZARE, and S. ZHANG, “LOW TEMPERATURE MOLTEN SALT SYNTHESIS OF NANO CRYSTALLINE MGAL₂O₄ POWDER,” IRANIAN JOURNAL OF MATERIALS SCIENCE AND ENGINEERING, vol. 8, no. 3, pp. 23–28, 2011, [Online]. Available: https://sid.ir/paper/276787/en

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