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相关实验视频

固体c60的可压缩性

J E Fischer, P A Heiney, A R McGhie

    Science (New York, N.Y.)
    |May 31, 1991
    PubMed
    概括
    此摘要是机器生成的。

    富勒里特 (立方C60) 具有类似于石墨的压缩性,表明范德瓦尔斯粘合. 它的体积压缩性明显低于石墨和钻石.

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    科学领域:

    • 材料科学 材料科学 材料科学
    • 凝聚物质物理学 凝聚物质物理学
    • 固态化学 固态化学

    背景情况:

    • 富勒里特是C60分子的固体阶段,具有独特的结构和电子特性.
    • 了解压力下的富勒赖特的机械行为对于其技术应用至关重要.

    研究的目的:

    • 为了研究立方富勒里特在室温下的压缩性.
    • 为了比较富勒赖特的压缩性与石墨和钻石的压缩性.

    主要方法:

    • 采用了室温粉末X射线衍射方法.
    • 对富勒里特样品施加了0和1.2GPa的水静压.

    主要成果:

    • 发现富勒里特晶格参数"a"的线性可压缩性与石墨层间可压缩性相似.
    • 富勒里特的体积压缩性被确定为7.0 ± 1 x 10−12 cm2/dyne.
    • 富勒赖特的体积压缩能力是石墨的3倍,是钻石的40倍.

    结论:

    • 结果支持德瓦尔斯分子间结合在富勒莱特的存在.
    • 与石墨和钻石相比,富勒里特显示出明显更高的不压缩性.