Effects of calcination conditions on phase formation and particle size of Zn2Nb34O87 powders synthesized by solid-state reaction
Phase formation and particle size of Zn2Nb34O87 powders which were synthesized by a solid state reaction via a simple vibro-milling technique have been investigated as a function of calcination conditions, for the first time, by using a combination of X-ray diffraction (XRD), scanning electron micro...
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| Main Authors: | , |
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| Format: | Article |
| Language: | English |
| Published: |
2014
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| Online Access: | http://www.scopus.com/inward/record.url?eid=2-s2.0-84873373053&partnerID=40&md5=6cab268cf362fb611a0753701fd02bca http://cmuir.cmu.ac.th/handle/6653943832/7003 |
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| Institution: | Chiang Mai University |
| Language: | English |
| Summary: | Phase formation and particle size of Zn2Nb34O87 powders which were synthesized by a solid state reaction via a simple vibro-milling technique have been investigated as a function of calcination conditions, for the first time, by using a combination of X-ray diffraction (XRD), scanning electron microscopy (SEM) and energy-dispersive X-ray (EDX) techniques. In general, the results shown that increasing calcination temperature, dwell time or heating/cooling rates can effectively increase both purity and particle size of the desired Zn2Nb34O87 powders. Moreover, It has been found that the optimization of calcination condition (900°C, 1 h, 20°C/min) can successfully lead to a single-phase of submicrometer-sized Zn2Nb34O87 powders. |
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