Ion-impact-induced C60 fragmentation

被引:35
作者
Reinkoster, A [1 ]
Werner, U [1 ]
Lutz, HO [1 ]
机构
[1] Univ Bielefeld, Fak Phys, D-33615 Bielefeld, Germany
来源
EUROPHYSICS LETTERS | 1998年 / 43卷 / 06期
关键词
D O I
10.1209/epl/i1998-00413-7
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
We studied the fragmentation behaviour of C-60 in collisions with fast (100-300 kV q) H+, He+, Ar+, Ar2+ and Ar3+ ions. The multi-particle detector used in this experiment allows to establish coincidences between several correlated fragment ions. Besides the well-known features as multiple ionization and evaporation of C-2n the "fission" into C-60-2n(q+)+C-2n(+) and multi-fragmentation into small charged fragment ions are observed in the coincidence spectra. The fragmentation patterns show a strong dependence on the projectile type.
引用
收藏
页码:653 / 658
页数:6
相关论文
共 22 条
[1]   A SYSTEM FOR CORRELATED FRAGMENT DETECTION IN DISSOCIATION EXPERIMENTS [J].
BECKER, J ;
BECKORD, K ;
WERNER, U ;
LUTZ, HO .
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT, 1994, 337 (2-3) :409-415
[2]   COINCIDENCE STUDIES OF COLLISIONALLY INDUCED FISSION OF C-60(2+) [J].
BRINK, C ;
ANDERSEN, LH ;
HVELPLUND, P ;
YU, DH .
ZEITSCHRIFT FUR PHYSIK D-ATOMS MOLECULES AND CLUSTERS, 1994, 29 (01) :45-48
[3]   Ionization and fragmentation of C-60 by highly charged, high-energy xenon ions [J].
Cheng, S ;
Berry, HG ;
Dunford, RW ;
Esbensen, H ;
Gemmell, DS ;
Kanter, EP ;
LeBrun, T ;
Bauer, W .
PHYSICAL REVIEW A, 1996, 54 (04) :3182-3194
[4]   Photoexcited C-60: Fragmentation and delayed ionization [J].
Deng, RP ;
Littlefield, G ;
Echt, O .
ZEITSCHRIFT FUR PHYSIK D-ATOMS MOLECULES AND CLUSTERS, 1997, 40 (1-4) :355-360
[5]  
DORNENBURG E, 1961, Z NATURFORSCH PT A, V16, P532
[6]   EVAPORATION OF C-4 (C-4(+)) FROM C-60(Z+) [J].
DUNSER, B ;
SCHEIER, P ;
MARK, TD .
CHEMICAL PHYSICS LETTERS, 1995, 236 (03) :271-276
[7]   Sequential reaction channels of metastable C-60(4+) [J].
Dunser, B ;
Echt, O ;
Scheier, P ;
Mark, TD .
PHYSICAL REVIEW LETTERS, 1997, 79 (20) :3861-3864
[8]   PHOTOFRAGMENTATION OF C-60 [J].
HOHMANN, H ;
EHLICH, R ;
FURRER, S ;
KITTELMANN, O ;
RINGLING, J ;
CAMPBELL, EEB .
ZEITSCHRIFT FUR PHYSIK D-ATOMS MOLECULES AND CLUSTERS, 1995, 33 (02) :143-151
[9]   Kinetic energies of fragment ions produced in collisions of 2 MeV Si4+ with C-60 [J].
Itoh, A ;
Tsuchida, H ;
Miyabe, K ;
Imai, M ;
Imanishi, N .
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS, 1997, 129 (03) :363-368
[10]   New highly charged fullerene ions: Production and fragmentation by slow ion impact [J].
Jin, J ;
Khemliche, H ;
Prior, MH ;
Xie, Z .
PHYSICAL REVIEW A, 1996, 53 (01) :615-618