High-pressure x-ray diffraction study on lithium borohydride using a synchrotron radiation

机译：同步辐射硼氢化锂的高压X射线衍射研究

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Lithium borohydride (LiBH_(4)) was compressed up to 10 GPa using a diamond-anvil-cell to investigate its high-pressure structure. In-situ x-ray diffraction profiles indicated a pressure-induced transformation at 1.1 GPa, which was consistent with the previous experimental observation such as Raman scattering spectroscopy. The high-pressure phase was indexed on a tetragonal symmetry of P4_(2)/mmc, which was not corresponding some structural models proposed by previous calculation studies. An unknown substance (presumably another Li-B-H compound), which was contained in the starting material, also transformed into its high-pressure phase at 0.6 GPa without any relation to the transformation of LiBH_(4).

机译：使用金刚石 - 砧细胞压缩硼氢化锂（LiBH_（4）），以研究其高压结构。原位X射线衍射曲线表明1.1GPa的压力诱导的转化，其与先前的实验观察（例如拉曼散射光谱）一致。高压相对P4_（2）/ MMC的四方对称性进行指数，这不是先前计算研究提出的一些结构模型。一种未知的物质（概述另一个Li-B-H化合物），其包含在原料中，也在0.6GPa的高压相中转化为0.6GPa，而无需任何与Libh_（4）的转化的相关性。

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《AIRAPT International Conference on High Pressure Science and Technology》|2007年||共4页
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Satoshi Nakano; Atsuko Nakayama; Takumi Kikegawa;
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High-pressure x-ray diffraction study on lithium borohydride using a synchrotron radiation

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