Preparation of Micro-Patterned CaMn7O12 Ceramic Films via a Photosensitive Sol-Gel Method

被引：3
|
作者：
Wang, Yunwei [1 ,2 ]
Zhao, Gaoyang [1 ]
Wu, Chuanbao [3 ]
Duan, Zongfan [1 ]
机构：
[1] Xian Univ Technol, Sch Mat Sci & Engn, Xian 710048, Shaanxi, Peoples R China
[2] Panzhihua Univ, Sch Biol & Chem Engn, Panzhihua 617000, Peoples R China
[3] Panzhihua Univ, Coll Vanadium & Titanium, Panzhihua 617000, Peoples R China
来源：
COATINGS | 2019年 / 9卷 / 10期
基金：
中国国家自然科学基金;
关键词：
CaMn7O12; multiferroic film; micro-pattern; sol-gel; LA;
D O I：
10.3390/coatings9100650
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Mn/acetylacetone chelate was synthesized using Mn(CH3COO)(2)center dot 4H(2)O as raw material, methanol as the solvent, and acetylacetone as the chelating agent. The ultraviolet (UV)-absorption peak of the synthesized chelate was found around 298 nm. CaMn7O12 sol was subsequently prepared using the Mn/AcAc chelate as the Mn source and calcium nitrate as the calcium source. The UV test indicates that the CaMn7O12 sol has the UV-sensitive characteristics. Owing to its photo-sensitivity, micro-patterned CaMn7O12 ceramic film can be prepared without photoresist, only through dip-coating, drying, UV-irradiation, solvent-washing, and heat treatment. The magnetic test result indicates that the micro-patterned CaMn7O12 ceramic film has a saturation magnetization of 112.8 emu/cm(3), which is close to that of non-patterned CaMn7O12 ceramic film.
引用
收藏
页数：9
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