利用溶胶-凝胶方法制备了的CoAl2O4/Al2O3纳米复合陶瓷,并用X-ray分析(XRD)、红外光谱(IR)和扫描电镜分析(SEM)对其结构进行了分析.结果表明,随Al2O3含量增多,CoAl2O4尖晶石相从CoAl2O4/Al2O3凝胶中的析晶温度升高.SEM形貌也说明,随Al2O3含量增多,CoAl2O4/Al2O3陶瓷中形成一定的层状结构.
参考文献
| [1] | Miyata Yoshihihiko .The use of coballalum innate pigment on the ZnS:Ag blue phosphor coat[J].Japan Kokai Tokkyo Koho,1987,78:19. |
| [2] | Yoshiyuki N .Coballaluminate effect on the TV's using age[J].Japan Kokai Tokkyo Koho,1987,52:119. |
| [3] | 张振刚;黎超;李成贤 等.不同衬底温度下制备Co-Al-O介质颗粒薄膜的巨磁电阻效应[J].兰州大学学报(自然科学版),1999,35(01):57-61. |
| [4] | FujimoriH;MitaniS;Ohnumas .Tunnel-type GMR in Co-Al-O insulated granular system-its oxygen concentration dependence[J].Journal of Magnetism and Magnetic Materials,1996,156:311. |
| [5] | Ping Sheng;Ables B;Arie Y .Hopping conductivity in granular metals[J].Physical Review Letters,1973,31:44. |
| [6] | Mitani S.;Ohnuma S.;Fujimori H. .SPIN-DEPENDENT TUNNELING PHENOMENA IN INSULATING GRANULAR SYSTEMS[J].Journal of Magnetism and Magnetic Materials,1997(1/3):141-148. |
| [7] | Inoue J.;Maekawa S. .THEORY OF TUNNELING MAGNETORESISTANCE IN GRANULAR MAGNETIC FILMS[J].Physical Review.B.Condensed Matter,1996(18):11927-11929. |
| [8] | 都有为,陈鹏,朱建民,邢定钰.纳米结构ZnxFe3-xO4-α-Fe2O3多晶材料中的巨隧道磁电阻效应[J].物理学报,2001(11):2275-2277. |
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%