Collisions of rare gas ions with C-60: Endohedral formation, energy transfer, and scattering dynamics
Collisions of rare gas ions with C-60: Endohedral formation, energy transfer, and scattering dynamics
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DOI：
10.1063/1.475037
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发表时间：
1997-11-22
影响因子：
4.4
通讯作者：
Anderson, SL
中科院分区：
文献类型：
--
作者：
Basir, Y;Anderson, SL
本文用导引束串联质谱仪研究了稀有气体阳离子与C-60的散射。电荷转移（CT）被观察到是占主导地位的通道，从0到100 eV的碰撞能量范围内，但解离CT和内络合物的形成是显着的高碰撞能量。实验发现，稀土气体原子的内穿透阈值能量与原子尺寸成正比。我们的CT和解离CT数据使我们能够作出几个结论，在稀有气体富勒烯碰撞的能量转移的性质。令人惊讶的是，结论是能量转移分布必须是明显的双峰，类似于85%的碰撞导致很少的碰撞到内部能量转移，并且类似于15%的碰撞基本上是100%非弹性的。结果表明，解离CT和内复合物的形成渠道密切相关。(C)1997年美国物理学会。[S0021-9606（97）02744-X]。
Scattering of rare gas cations from C-60 has been studied in a guided-beam tandem mass spectrometer. Charge transfer (CT) is observed to be the dominant channel over the collision energy range from 0 to 100 eV, but dissociative CT and endohedral complex formation are significant at high collision energies. The threshold energies for endohedral penetration are found to be proportional to rare gas atom size. Our CT and dissociative CT data allow us to make several conclusions about the nature of energy transfer in rare gas-fullerene collisions. Surprisingly, the conclusion is that the energy transfer distribution must be sharply bimodal, with similar to 85% of collisions resulting in little collision-to-internal energy transfer, and similar to 15% of collisions being essentially 100% inelastic. The results indicate that the dissociative CT and endocomplex formation channels are closely related. (C) 1997 American Institute of Physics. [S0021-9606(97)02744-X].