| 温度及压力作用下的铁酸锌纳米颗粒结晶过程研究 |
| |
| 引用本文： | 邹旭,;许娴,;付海川,;张铁民,;彭菊媛,;王英楠,;李子亨. 温度及压力作用下的铁酸锌纳米颗粒结晶过程研究[J]. 海南师范大学学报(自然科学版), 2014, 0(2): 147-149 |
| |
| 作者姓名： | 邹旭, 许娴, 付海川, 张铁民, 彭菊媛, 王英楠, 李子亨 |
| |
| 作者单位： | [1]海南师范大学物电学院,海南海口571158; [2]海南师范大学图书馆,海南海口571158; [3]吉林大学超硬材料国家重点实验室,吉林长春130012 |
| |
| 基金项目： | 海南省自然科学基金项目（513146） |
| |
| 摘 要： | 通过溶胶-凝胶法制备铁酸锌前驱物,设置温度范围为200～600℃对前驱物进行3 h灼烧处理;并取1 g前驱物原粉在5 MPa压强下作压片处理,500℃下灼烧3 h.通过XRD,Raman表征样品并观察铁酸锌的结晶过程,研究压强和温度对合成铁酸锌纳米晶的影响.发现样品经5 MPa压强处理后,Raman图反映出铁酸锌的两个常压下不明显的二维振动模式225 cm-1和249 cm-1处峰位特征明显.结果表明随着灼烧温度的升高,铁酸锌粒径增大;对前驱物加压能够促进铁酸锌晶体的形成.
|
| 关 键 词： | 纳米 铁酸锌 压强 振动模式 结晶 |
Study of Crystallization of Nano-ZnFe2O4 Under Temperature and Pressure |
| |
| Affiliation: | ZOU Xu, XU Xian, FU Haichuan, ZHANG Tiemin, PENG Juyuan, WANG Yingnan, LI Ziheng ( 1. College of Physics ＆ Electronics,Hainan Normal University, Haikou 571158, China; 2. Library of Hainan Normal University, Hainan Normal University, Haikou 571158, China; 3. National Laboratory of Superhard Materials, Jilin University, Changchun 130012, China) |
| |
| Abstract: | Nano-ZnFe20＋ was prepared by the Sol-Gel method and the process of transformation from precedence to Na- no-ZnFe20＋ crystal influenced by the temperature and pressure was studied by the Raman, X-Ray Diffraction. It was shown that prepared samples have a spinel structure, of which particle sizes are increased with the calcining temperature. Under a pressure of 5MPa, two obvious 2-dimensions vibration modes of ZnFe204 （225cm-1, 249 cm-1）were observed, which were not obvious at ambient pressure. It was found that the process of forming the ZnFe20＋ crystal has been remarkably facilitated. |
| |
| Keywords: | Nano ZnFe20＋ Pressure Vibration modes Crystallization |
| 本文献已被 CNKI 维普 等数据库收录！ |
|
