| The vibration spectrum and high temperature phase transition of NaBF_4 single crystal |
| |
| 引用本文： | Jiyang Wang,Lixia Li,Suhui Liu,Zhaohe Yang(Shandong University,Jinan 250100,China). The vibration spectrum and high temperature phase transition of NaBF_4 single crystal[J]. Chinese Journal of Lasers, 1993, 2(2): 129-134 |
| |
| 作者姓名： | Jiyang Wang Lixia Li Suhui Liu Zhaohe Yang(Shandong University Jinan 250100 China) |
| |
| 作者单位： | Shandong University，Jinan 250100，China |
| |
| 摘 要： | The polarized Raman spectrum of NaBF_4 single crystal measured by use of different geometric arrangements are reported. The obvious anisotropy of the crystal results in the degradation of degenerated modes of BF_4. Experiments show that the vibration frequencies decrease with the increasing of temperature. But when it above the phase transition point the v_1 symmetric stretching vibration is restored. From this, the phase transition temperature can be estimated to be 250℃ (523K).
|
| 收稿时间： | 1992-12-02 |
The vibration spectrum and high temperature phase transition of NaBF_4 single crystal |
| |
| Jiyang Wang,Lixia Li,Suhui Liu,Zhaohe Yang. The vibration spectrum and high temperature phase transition of NaBF_4 single crystal[J]. 中国激光(英文版), 1993, 2(2): 129-134 |
| |
| Authors: | Jiyang Wang Lixia Li Suhui Liu Zhaohe Yang |
| |
| Abstract: | The polarized Raman spectrum of NaBF4 single crystal measured by use of different geometric arrangements are reported. The obvious anisotropy of the crystal results in the degradation of degenerated modes of BF4. Experiments show that the vibration frequencies decrease with the increasing of temperature. But when it above the phase transition point the v_1 symmetric stretching vibration is restored. From this, the phase transition temperature can be estimated to be 250 ℃ (523 K) |
| |
| Keywords: | NaBF4 single crystal Raman spectrum high temperature phase transition |
| 本文献已被 CNKI 等数据库收录！ |
