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首页> 外文期刊>Physical review letters >Formations of Dumbbell C_(118) and C_(119) inside Clusters of C_(60) Molecules by Collision with a Particles
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Formations of Dumbbell C_(118) and C_(119) inside Clusters of C_(60) Molecules by Collision with a Particles

机译:通过与粒子的碰撞在C_(60)分子簇内形成哑铃C_(118)和C_(119)

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摘要

We report highly selective covalent bond modifications in collisions between keV alpha particles and van der Waals clusters of C_(60) fullerenes. Surprisingly, C_(119)~+ and C_(118)~+ are the dominant molecular fusion products. We use molecular dynamics simulations to show that C_(59)~+ and C_(58)~+ ions-effectively produced in prompt knockout processes with He~(2+)-react rapidly with C_(60) to form dumbbell C_(119)~+ and C_(118)~+. Ion impact on molecular clusters in general is expected to lead to efficient secondary reactions of interest for -astrophysics. These reactions are different from those induced by photons.
机译:我们报告高选择性共价键修饰中的keVα粒子和C_(60)富勒烯的范德华簇之间的碰撞。令人惊讶的是,C_(119)〜+和C_(118)〜+是主要的分子融合产物。我们使用分子动力学模拟表明,在He〜(2+)的快速敲除过程中有效产生的C_(59)〜+和C_(58)〜+离子与C_(60)迅速反应形成哑铃C_(119 )〜+和C_(118)〜+。一般而言,离子对分子团簇的影响预计会导致对天体物理学感兴趣的有效次级反应。这些反应不同于光子诱导的反应。

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  • 来源
    《Physical review letters》 |2013年第18期|185501.1-185501.5|共5页
  • 作者单位

    Department of Physics, Stockholm University, S-106 91 Stockholm, Sweden;

    CIMAP, UMR 6252, CEA/CNRS/ENSICAEN/Universite de Caen Basse-Normandie, bd Henri Becquerel, BP 5133, F-14070 Caen cedex 05, France,Universite de Caen Basse-Normandie, Esplanade de la Paix, F-14032 Caen, France;

    Departamento de Quimica, Modulo 13, Universidad Autonoma de Madrid, 28049 Madrid, Spain,lnstituto Madrileno de Estudios Avanzados en Nanociencia (IMDEA-Nano), Cantoblanco, 28049 Madrid, Spain;

    Department of Physics, Stockholm University, S-106 91 Stockholm, Sweden;

    Department of Physics, Stockholm University, S-106 91 Stockholm, Sweden;

    Department of Physics, Stockholm University, S-106 91 Stockholm, Sweden;

    Department of Physics, Stockholm University, S-106 91 Stockholm, Sweden;

    Department of Physics, Stockholm University, S-106 91 Stockholm, Sweden;

    CIMAP, UMR 6252, CEA/CNRS/ENSICAEN/Universite de Caen Basse-Normandie, bd Henri Becquerel, BP 5133, F-14070 Caen cedex 05, France;

    CIMAP, UMR 6252, CEA/CNRS/ENSICAEN/Universite de Caen Basse-Normandie, bd Henri Becquerel, BP 5133, F-14070 Caen cedex 05, France,Universite de Caen Basse-Normandie, Esplanade de la Paix, F-14032 Caen, France;

    CIMAP, UMR 6252, CEA/CNRS/ENSICAEN/Universite de Caen Basse-Normandie, bd Henri Becquerel, BP 5133, F-14070 Caen cedex 05, France,Universite de Caen Basse-Normandie, Esplanade de la Paix, F-14032 Caen, France;

    CIMAP, UMR 6252, CEA/CNRS/ENSICAEN/Universite de Caen Basse-Normandie, bd Henri Becquerel, BP 5133, F-14070 Caen cedex 05, France,Universite de Caen Basse-Normandie, Esplanade de la Paix, F-14032 Caen, France;

    CIMAP, UMR 6252, CEA/CNRS/ENSICAEN/Universite de Caen Basse-Normandie, bd Henri Becquerel, BP 5133, F-14070 Caen cedex 05, France;

    CIMAP, UMR 6252, CEA/CNRS/ENSICAEN/Universite de Caen Basse-Normandie, bd Henri Becquerel, BP 5133, F-14070 Caen cedex 05, France,Universite de Caen Basse-Normandie, Esplanade de la Paix, F-14032 Caen, France;

    CIMAP, UMR 6252, CEA/CNRS/ENSICAEN/Universite de Caen Basse-Normandie, bd Henri Becquerel, BP 5133, F-14070 Caen cedex 05, France,Universite de Caen Basse-Normandie, Esplanade de la Paix, F-14032 Caen, France;

    Department of Physics, Stockholm University, S-106 91 Stockholm, Sweden;

    CIMAP, UMR 6252, CEA/CNRS/ENSICAEN/Universite de Caen Basse-Normandie, bd Henri Becquerel, BP 5133, F-14070 Caen cedex 05, France,Universite de Caen Basse-Normandie, Esplanade de la Paix, F-14032 Caen, France;

    Departamento de Quimica, Modulo 13, Universidad Autonoma de Madrid, 28049 Madrid, Spain;

    Leiden University, Leiden Observatory, NL-2300 RA Leiden, Netherlands;

    Departamento de Quimica, Modulo 13, Universidad Autonoma de Madrid, 28049 Madrid, Spain,lnstituto Madrileno de Estudios Avanzados en Nanociencia (IMDEA-Nano), Cantoblanco, 28049 Madrid, Spain;

    CIMAP, UMR 6252, CEA/CNRS/ENSICAEN/Universite de Caen Basse-Normandie, bd Henri Becquerel, BP 5133, F-14070 Caen cedex 05, France;

    Department of Physics, Stockholm University, S-106 91 Stockholm, Sweden;

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  • 原文格式 PDF
  • 正文语种 eng
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  • 关键词

    stability and fragmentation of clusters;

    机译:群集的稳定性和碎片化;

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