Structure Control of NaNbO3 Template for Textured Ceramics Synthesized by Two-Step Molten Salt Method

Structure Control of NaNbO3 Template for Textured Ceramics Synthesized by Two-Step Molten Salt Method
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两步熔盐法合成织构陶瓷NaNbO3模板的结构控制

DOI:
10.1080/00150193.2010.482005
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发表时间:
2010-10
期刊:
影响因子:
0.8
通讯作者:
Minghe Cao,Wanqiang Wang,Fan Li,Hua Hao,Zhiyong Y
Minghe Cao,Wanqiang Wang,Fan Li,Hua Hao,Zhiyong Y
中科院分区:
材料科学4区
文献类型:
--
作者:
Minghe Cao,Wanqiang Wang,Fan Li,Hua Hao,Zhiyong Y

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本文通过层状形貌控制前驱体的结构,采用两步熔盐法合成不同边缘长度和厚度的类板颗粒。SEM结果表明,纳米bo3颗粒呈血小板状,边缘长度为10 ~ 20 μm,厚度为1 ~ 4 μm。XRD结果表明,合成的NaNbO3颗粒在{0 0 l}晶面上具有较强的取向性。我们所合成的片状NaNbO3颗粒是TGG或RTGG法制备织构陶瓷的理想模板,尤其适用于织构铌酸钾钠无铅压电陶瓷。
In this paper, through control the precursor's structure with layer morphology, the plate-like particles with different edge length and thickness can be syntheszed by the two step molten salt (MSS) method. The results of SEM showed that the NaNbO3 particles were characterized by platelet-like morphology with an edge length of 10∼20 μm and a thickness of 1∼4 μm. The results of XRD indicated the NaNbO3 particles synthesized had a strong orientation in {0 0 l} crystal planes. The plate-like NaNbO3 particles we synthesized are a suitable template candidate to fabricate textured ceramics by TGG or RTGG method, especially to the textured potassium sodium niobate lead-free piezoelectric ceramics.
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