| LaTi0.8Li0.2O3的高温高压合成及表征 |
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| 引用本文： | 吕淑玲,苗继鹏,袁洪春.LaTi0.8Li0.2O3的高温高压合成及表征[J].淮北煤炭师范学院学报(自然科学版),2002,23(3):18-20. |
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| 作者姓名： | 吕淑玲 苗继鹏 袁洪春 |
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| 作者单位： | 1. 淮北煤炭师范学院物理系,安徽,淮北,235000
2. 中国科学院长春应用化学研究所稀土化学与物理开放实验室,吉林,长春,130022 |
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| 摘 要： | 利用高温高压合成方法合成一种新的具有混合价态的钙钛矿氧化物LaTi0.8Li0.2O3.XRD测量表明,样品为单相的立方结构.EPR测试表明,Ti离子为+3、+4混合价.IR测量表明,B-O键伸缩振动谱带没有发生劈裂.高温高压可以改变Ti离子的价态.
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| 关 键 词： | LaTi0.8Li0.2O3 高温高压合成 EPR 混合价 IR |
| 文章编号： | 1000-2227(2002)03-0018-03 |
| 修稿时间： | 2001年10月25 |
High- pressure and Temperature Synthesis and Characterization of LaTi0.8Li0.2O3 |
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| LU Shu ling,MIAO Ji peng,YUAN Hong chun.High- pressure and Temperature Synthesis and Characterization of LaTi0.8Li0.2O3[J].Journal of Huaibei Coal Industry Teachers College(Natural Science edition),2002,23(3):18-20. |
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| Authors: | LU Shu ling MIAO Ji peng YUAN Hong chun |
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| Institution: | LU Shu ling1,MIAO Ji peng2,YUAN Hong chun1 |
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| Abstract: | A novel mixed valence perovskite oxide was made by using high pressure and high temperature synthesis. XRD analysis showed that the sample is a single phase and belong to cubic structure. EPR measurement indicated that Ti ions in the sample are in mixed valence state of +3 and +4.High pressure and high temperature can alter the valence state of Ti4+ ions. IR measurement indicated that there is no splitting in Ti-O bond stretching vibration absorption band. |
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| Keywords: | LaTi0 8Li0 2O3 high pressure and high temperature synthesis EPR mixed valence IR |
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