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

Irradiation Effect in C60 Films 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

  • 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 2×1014 ions/cm2 to 5×1016 ions/cm2 was found in the case of H ion irradiation for the first bine.
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    [1] Fink D, Klett R. Szimkoviak P et al. Nucl. Instr. Meth., 1996, B108: 114–1242 Kastner J, Kuzmany H, Palmetshofer L. Appl. Phys. Lett., 1994, 65(5):543–5453 Papaleo R M, Hallen A, Eriksson J et al. Nucl. Instr. Meth., 1994, B91: 124–1284 Pokhednia K, Demsar J, Omerzu A et al. Phys. Rev., 1997, B55:3757–37625 Sauvajol J L, Brocard F, Hricha Z et al. Phys. Rev., 1995, B52:14839–148496 Dillon R O, Woollam J A, Katkanant V. Phys. Rev., 1984, B29:3482–3489 7 Toulemonde M, Dufour C, Paumier E et al. Phys. Rev., 1992, 46:14362–143698 Ramsteiner M, Wainer J. Appl. Phys. Lett., 1987, 51: 1355–1357

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JIN YunFan, YANG Ru, LIU ChangLong and YAO JiangHong. Irradiation Effect in C60 Films 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 C60 Films 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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Irradiation Effect in C60 Films 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 2×1014 ions/cm2 to 5×1016 ions/cm2 was found in the case of H ion irradiation for the first bine.

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