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首页> 外文期刊>Journal of structural chemistry >BEHAVIOR OF MICROPOROUS ZIRCONOSILICATE HILAIRITE UNDER HIGH PRESSURE
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BEHAVIOR OF MICROPOROUS ZIRCONOSILICATE HILAIRITE UNDER HIGH PRESSURE

机译:高压下微孔锆石硅藻土的行为

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The behavior of natural zeolite-like hetero-framework zirconosilicate hilairite |Na_(1.47)H_(0.53)(H_2O)_(2.7)| [ZrSi_3O_9] is studied by single crystal X-ray diffraction at a high pressure (up to 4.73 GPa): space group R3, a = 10.5667(2) ?, c = 15.9109(4) ?, V = 1538.54(6) ?~3, Z = 6. The compression of hilairite is practically isometric in the whole pressure range studied and is close to linear. Above 3.5 GPa an increasing deterioration of the single crystal is observed, which is interpreted as the started first order phase transition accompanied by significant volumetric changes.
机译:天然沸石状杂骨架锆硅水铁矿| Na_(1.47)H_(0.53)(H_2O)_(2.7)|的行为[ZrSi_3O_9]是在高压(至多4.73GPa)下通过单晶X射线衍射研究的:空间群R3,a = 10.5667(2)≤,c = 15.9109(4)≤,V = 1538.54(6)≤n。 〜3,Z =6。在研究的整个压力范围内,硅钙石的压缩率实际上是等轴测的,接近线性。高于3.5 GPa,观察到单晶的恶化加剧,这被解释为开始的一阶相变,伴随着明显的体积变化。

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