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首页> 外文期刊>Physical review >Investigation of Gd_3N@C_(2n) (40≤n≤44) family by Raman and inelastic electron tunneling spectroscopy
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Investigation of Gd_3N@C_(2n) (40≤n≤44) family by Raman and inelastic electron tunneling spectroscopy

机译:拉曼光谱和非弹性电子隧穿光谱研究Gd_3N @ C_(2n)(40≤n≤44)族

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摘要

The structure and vibrational spectrum of Gd_3N@C_(80) is studied through Raman and inelastic electron tunneling spectroscopy as well as density-functional theory and universal force field calculations. Hindered rotations, shown by both theory and experiment, indicate the formation of a Gd_3NC_(80) bond which reduces the ideal icosahedral symmetry of the C_(80) cage. The vibrational modes involving the movement of the encapsulated species are a fingerprint of the interaction between the fullerene cage and the core complex. We present Raman data for the Gd_3N@C_(2n) (40≤n≤44) family as well as Y_3N@C_(80), Lu_3N@C_(80), and Y_3N@C_(88) for comparison. Conductance measurements have been performed on Gd_3N@C_(80) and reveal a Kondo effect similar to that observed in C_(60).
机译:通过拉曼和非弹性电子隧穿光谱学以及密度泛函理论和万向力场计算研究了Gd_3N @ C_(80)的结构和振动光谱。理论和实验均显示受阻旋转表明形成Gd_3NC_(80)键,该键降低了C_(80)笼的理想二十面体对称性。涉及被包封物质运动的振动模式是富勒烯笼与核心复合物之间相互作用的指纹。我们提供了Gd_3N @ C_(2n)(40≤n≤44)族以及Y_3N @ C_(80),Lu_3N @ C_(80)和Y_3N @ C_(88)族的拉曼数据进行比较。电导率测量已在Gd_3N @ C_(80)上进行,显示出类似于C_(60)中观察到的近藤效应。

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  • 来源
    《Physical review》 |2010年第11期|p.115423.1-115423.7|共7页
  • 作者单位

    Department of Physics, University of Virginia, Charlottesville, Virginia 22904, USA;

    rnDepartment of Physics, University of Virginia, Charlottesville, Virginia 22904, USA;

    rnDepartment of Physics, University of Virginia, Charlottesville, Virginia 22904, USA;

    rnDepartment of Chemistry, Virginia Polytechnic Institute and State University, Blacksburg, Virginia 24061, USA;

    rnDepartment of Chemistry, Virginia Polytechnic Institute and State University, Blacksburg, Virginia 24061, USA;

    rnDepartment of Chemistry, Virginia Polytechnic Institute and State University, Blacksburg, Virginia 24061, USA;

    rnDepartment of Chemistry, Virginia Polytechnic Institute and State University, Blacksburg, Virginia 24061, USA;

    rnNational Institute of Standards and Technology, Gaithersburg, Maryland 20899, USA;

    rnMaterials Science and Technology Division, Center for Nanophase Materials Sciences, Oak Ridge National Laboratory, Oak Ridge,Tennessee 37831, USA;

    rnMaterials Science and Technology Division, Center for Nanophase Materials Sciences, Oak Ridge National Laboratory, Oak Ridge,Tennessee 37831, USA;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    fullerenes and related materials; vibrational analysis; vibration-rotation analysis;

    机译:富勒烯及相关物质;振动分析振动旋转分析;

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