研究了So1-Gel法制备的Mn掺杂BaTi4O9微波介质陶瓷的远红外光谱.随着掺杂量的增大,弱反射峰从364cm-1位移到381cm-1,296cm-1处的反射峰有加强的趋势.由远红外反射谱的Kramers-Kronig变换得到了BaTi4O9复介电常数实部与虚部的色散曲线.随着掺杂量的增大,Ti4+含量的逐步增大,直接导致Ti-O-Ti在剪切振动250cm-1～300cm-1区间内的1个肩峰增强,该区间内的反常色散有所减弱;500cm-1附近的Ti-O八面体内Ti-O-Ti的伸缩振动模明显增强.
参考文献
| [1] | Masse D J et al.[J].IEEE,1971,59(11):1628. |
| [2] | 齐建全 等.[J].稀有金属材料与工程,2003,32(zk):449. |
| [3] | Mhaisalkar S G et al.[J].Journal of the American Ceramic Society,1991,74(08):1894. |
| [4] | Man Jong Lee.[J].Journal of Materials Science:Materials in Electronics,1995(06):165. |
| [5] | Man Jong Lee.[J].Journal of Materials Science:Materials in Electronics,1995(06):173. |
| [6] | O'Bryan H Metal .[J].Journal of the American Ceramic Society,1983,66(01):66. |
| [7] | Petzelt J et al.[J].Ferroelectrics,1996,176(02):145. |
| [8] | Petzelt J.;Kamba S. .Submillimetre and infrared response of microwave materials: extrapolation to microwave properties[J].Materials Chemistry and Physics,2003(2/3):175-180. |
| [9] | Shimada T .[J].Journal of the European Ceramic Society,2003,23(02):2647. |
| [10] | Tochi K .[J].Journal of Materials Science Letters,1988,7(08):1080. |
| [11] | Pollet M .[J].Journal of the European Ceramic Society,2004,24(13):1805. |
| [12] | Mhaisalkar S G .[J].Journal of Solid State Chemistry,1991,95(03):275. |
| [13] | Wang F et al.[J].Journal of Sol-Gel Science and Technology,2002,23(01):39. |
| [14] | Zhang Guangyin.Lattice Vibration Spectroscopy[M].北京:高等教育出版社,2001 |
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