Surface damage induced by swift heavy ions in HOPG

被引：0

作者：

Liu, J ^{[1
]}

Hou, MD ^{[1
]}

Trautmann, C ^{[1
]}

Neumann, R ^{[1
]}

Müller, C ^{[1
]}

Wang, ZG ^{[1
]}

Zhang, QX ^{[1
]}

Sun, YM ^{[1
]}

Jin, YF ^{[1
]}

机构：

[1] Chinese Acad Sci, Inst Modern Phys, Lanzhou 730000, Peoples R China

来源：

MATERIALS FOR ADVANCED ENERGY SYSTEMS AND FISSION AND FUSION ENGINEERING, PROCEEDINGS | 2003年

关键词：

D O I：

10.1142/9789812705198_0033

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Highly oriented pyrolytic graphite (HOPG) was irradiated with various heavy ions (Ne, Cr, Fe, Ni, Zn, Xe and U) in the energy range MeV to GeV. Scanning tunneling microscopy (STM) and Raman spectroscopy were used to investigate the modifications on the surface, The formation of hillock-like tracks was observed, and its density increased with increasing ion fluence. The probability of track creation on the sample surface depended on the electronic energy loss and strongly influenced the surface damage. Both methods evident the graphite surface lattice dramatically disordered under high fluence heavy ion irradiation.

引用

页码：269 / 276

页数：8

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