在BaO-Cr2O3-Nb2Os三元系统中,用固相反应法首次合成了新铌酸盐Ba6CrNb9O30.X射线衍射分析与介电特性测试结果表明,在室温下Ba6CrNb9O30属于填满型四方钨青铜结构,晶胞参数为:a=1.25691(3)nm,c=0.39755(3)nm,α=β=γ=90°;Ba6CrNb9O30在165℃从铁电相转变为顺电相.
参考文献
[1] | Glass A M .[J].Journal of Applied Physics,1969,40:4699. |
[2] | Monica Lundberg;Margarete Sundberg .[J].Journal of Solid State Chemistry,1986,63:216. |
[3] | 姜全忠;陈焕矗;宋永远 .[J].科学通报,1991,36:637. |
[4] | Neurgaonkar R R;Cory W K;Oliver J R et al.[J].Materials Research Bulletin,1989,24:1459. |
[5] | Neurgaonkar R R;Nelson J G;Oliver J R .[J].Materials Research Bulletin,1992,27:677. |
[6] | Neurgaonkar R R;Nelson J G;Oliver J R et al.[J].Materials Research Bulletin,1990,25:959. |
[7] | Scott B A;Giess E A;Burns G et al.[J].Materials Research Bulletin,1968,3:831. |
[8] | 许煜寰.铁电与压电材料[M].北京:科学出版社,1976:276. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分:
-
10%
-
20%
-
30%
-
40%
-
50%