Chinese Physics C > 2000, Vol. 24 > Issue(1): 82-86

Irradiation Effect in C₆₀Films Induced By Low Energy Ions

Institute of Modern Physics, The Chinese Academy of Sciences, Lanzhou 730000, China1 Department of Physics, Lanzhou University, Lanzhou 730000, China

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Abstract：
Irradiation effecs, mainly including transformation from crystalline into amorphous state, of C ₆₀, films induced by 120keV H, Ar and Fe ions irradiation were analysed by means of Raman scattering technique. The results indicate that amorphization process in the cases of Ar and Fe ions irradiation is dominated by nuclear collision, but in the case of H ion irradiation, the process is dominated by electronic energy transfer. The annealing effect of electronic energy loss which induced the intermediate graphitization process before amorphization in lower irradiation dose ranging from 2×10 ¹⁴ions/cm ²to 5×10 ¹⁶ions/cm ²was found in the case of H ion irradiation for the first bine.

References

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JIN YunFan, YANG Ru, LIU ChangLong and YAO JiangHong. Irradiation Effect in C ₆₀Films Induced By Low Energy Ions[J]. Chinese Physics C, 2000, 24(1): 82-86.

JIN YunFan, YANG Ru, LIU ChangLong and YAO JiangHong. Irradiation Effect in C ₆₀Films Induced By Low Energy Ions[J]. Chinese Physics C, 2000, 24(1): 82-86. shu

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Received: 1998-11-09
Revised: 1900-01-01

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1.
沈阳化工大学材料科学与工程学院沈阳 110142

Irradiation Effect in C₆₀Films Induced By Low Energy Ions

Corresponding author:JIN YunFan,

Institute of Modern Physics, The Chinese Academy of Sciences, Lanzhou 730000, China1 Department of Physics, Lanzhou University, Lanzhou 730000, China

Received Date:1998-11-09
Accepted Date:1900-01-01
Available Online:2000-01-05

Abstract:Irradiation effecs, mainly including transformation from crystalline into amorphous state, of C₆₀, films induced by 120keV H, Ar and Fe ions irradiation were analysed by means of Raman scattering technique. The results indicate that amorphization process in the cases of Ar and Fe ions irradiation is dominated by nuclear collision, but in the case of H ion irradiation, the process is dominated by electronic energy transfer. The annealing effect of electronic energy loss which induced the intermediate graphitization process before amorphization in lower irradiation dose ranging from 2×10¹⁴ions/cm²to 5×10¹⁶ions/cm²was found in the case of H ion irradiation for the first bine.