Molten salt synthesis of (Zn, Mg) TiO sub(3) micro/nano crystals with pure hexagonal ilmenite structure

The pure hexagonal phase (Zn, Mg) TiO sub(3) (abbreviated to ZMT) micro/nano crystals were prepared by a molten salt method. The influences of the molten salt system and the heat treatment temperature on ZMT crystalline powders phase composition and particles morphology were studied. The results sho...

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Bibliographic Details
Published inJournal of materials science. Materials in electronics Vol. 27; no. 8; pp. 8319 - 8324
Main Authors Liu, Xiangchun, Zuo, Chenguang
Format Journal Article
LanguageEnglish
Published 01.08.2016
Subjects
Crystal structure
Formations
Fused salts
Grain size
Grain size distribution
Hexagonal phase
Nanocrystals
Titanium dioxide
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Summary:The pure hexagonal phase (Zn, Mg) TiO sub(3) (abbreviated to ZMT) micro/nano crystals were prepared by a molten salt method. The influences of the molten salt system and the heat treatment temperature on ZMT crystalline powders phase composition and particles morphology were studied. The results show that the formation of ZMT phase takes place at about 530 degree C and the hexagonal phase stability region is 530-810 degree C in KCl-NaCl salt system when MgCl sub(2).6H sub(2)O taken in excess. Compared to the conventional solid phase process, the formation temperature of hexagonal ZMT via the molten salt method is lower. The ZMT powders prepared by the molten salt method are indicative more uniform grain size distribution and small grain size (the average grain size is about 150 nm).
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ISSN:0957-4522
1573-482X
DOI:10.1007/s10854-016-4840-7