Structural stability of C_(60) films under the bombardment of 1.95 GeV Kr ions

Structural stability of C_(60) films under the bombardment of 1.95 GeV Kr ions

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摘要 The structural stability of C60 films under the bombardment of 1.95 GeV Kr ions is investigated.The irradiated C60 films were analyzed by Fourier Transform Infrared(FTIR) spectroscopy and Raman scattering technique.The analytical results indicate that the irradiation induced a decrease of icosahedral symmetry of C60 molecule and damage of C60 films;different vibration modes of C60 molecule have different irradiation sensitivities;the mean efficient damage radius obtained from experimental data is about 1.47 nm,which is in good agreement with thermal spike model prediction. The structural stability of C60 films under the bombardment of 1.95 GeV Kr ions is investigated. The irradiated C60 films were analyzed by Fourier Transform Infrared （FTIR） spectroscopy and Raman scattering technique. The analytical results indicate that the irradiation induced a decrease of icosahedral symmetry of C60 molecule and damage of C60 films; different vibration modes of C60 molecule have different irradiation sensitivities; the mean efficient damage radius obtained from experimental data is about 1.47 nm, which is in good agreement with thermal spike model prediction.

作者 YAO CunFeng FU YunChong JIN YunFan WANG ZhiGuang ZANG Hang WEI KongFang GOU Jie MA YiZhun SHEN TieLong

机构地区 Institute of Modern Physics Graduate University of Chinese Academy of Sciences Institute of Earth Environment

出处《Chinese Science Bulletin》 SCIE EI CAS 2010年第31期3533-3537,共5页

基金 supported by the National Natural Science Foundation of China (10835010,10675150,10175084) the National Basic Research Program of China (2010CB832902)

关键词 C60薄膜离子轰击结构稳定性傅立叶变换红外光谱 C60分子伏特电子氪 1.95 GeV Kr ions, C60 films, structural stability, efficient damage radius, thermal spike model

分类号 O484 [理学—固体物理] O484.1 [理学—固体物理]

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Chinese Science Bulletin

2010年第31期

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Structural stability of C_(60) films under the bombardment of 1.95 GeV Kr ions

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