Chemical synthesis of stoichiometric lithium niobate powders

Chemical synthesis of stoichiometric lithium niobate powders

Lithium niobate powders with an ideal stoichiometry are prepared from the raw powders of Li 2CO 3 and Nb 2O 5. An organic combustion technique is utilized to synthesize lithium niobate powders at reduced temperature, viz. 500–600°C. Urea is used as the thermal resource in the present work, which can...

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Veröffentlicht in:Materials letters 2005-04, Vol.59 (8), p.1095-1097
Hauptverfasser: Liu, Meinan, Xue, Dongfeng, Zhang, Shouchen, Zhu, Haiyang, Wang, Jiyang, Kitamura, Kenji
Format: Artikel
Sprache:eng
Schlagworte:
Low temperature
Stoichiometric lithium niobate
Urea
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Zusammenfassung:Lithium niobate powders with an ideal stoichiometry are prepared from the raw powders of Li 2CO 3 and Nb 2O 5. An organic combustion technique is utilized to synthesize lithium niobate powders at reduced temperature, viz. 500–600°C. Urea is used as the thermal resource in the present work, which can lead to stoichiometric lithium niobate powders due to its very fast chemical reactions involved in the whole process. IR spectral characteristics strongly support the stoichiometric composition of our present powder samples.
ISSN:0167-577X
1873-4979
DOI:10.1016/j.matlet.2004.12.015