Nanoscale Ar-Bubbles Formed by Ions Irradiating Graphite

WANG Zhen-Xia; YU Li-Ping; ZHANG Wei; MA Yu-Gang; ZHU Zhi-Yuan; HE Guo-Wei; HU Gang; CHEN Yi

Chinese Physics C> 2002, Vol. 26> Issue(12) : 1316-1319

Nanoscale Ar-Bubbles Formed by Ions Irradiating Graphite

Institute of Nuclear Research, Chinese Academy of Sciences, Shanghai 201800, China2 The Department of Material Science, Fudan University, Shanghai 200433, China

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Abstract：
The identical graphite targets were irradiated by 60keV Ni⁺and Ar⁺ ions with the fluences of 10¹⁸/cm² in turns under the same experimental conditions. Using high-resolution transmission electron microscope (HRTEM) with energy dispersive X-ray (EDX) and electron diffraction (ED), we found different-size nanoscale Ar-bubbles embedded in glass-carbon-like membranes for the first time. Moreover, in part of these nanobubbles Ar may have been formed into a solid-like structures.

References

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. Thomas T R Kyoungha K Emesto J et al.Science,2000,289:94 2. WANG Zhen-Xia,KE Xue-Zhi,ZHU Zhi-Yuan et al.Phys.Rev.,2000,B61:R24723. Planeix J M ,Coustel N ,Coq B et al.J.Am.Chem.Soc.,1994,116:7935 4. Dillon AC ,Jones K M ,Bekkedahl TA et al.Nature,1997,386:3775. Gadd G E ,Blackord M ,Moricca S et al.Science,1997,277:933 6. Donnelly S E .Rad.Effects,1985,90:1 7. Eer Nisse E P ,Picraux S T .J.Appl.Phys.,1977,48:98. W#246;rmer J,Joppien M ,Zimmerer Q et al.Phys.Rev.Lett.,1991,67:2053 9. Khriachtchev L ,Pettersson M ,Runeberg N et al.Nature,2000,406:874

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WANG Zhen-Xia, YU Li-Ping, ZHANG Wei, MA Yu-Gang, ZHU Zhi-Yuan, HE Guo-Wei, HU Gang and CHEN Yi. Nanoscale Ar-Bubbles Formed by Ions Irradiating Graphite[J]. Chinese Physics C, 2002, 26(12): 1316-1319.

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Received: 2002-01-28
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

Nanoscale Ar-Bubbles Formed by Ions Irradiating Graphite

Corresponding author: WANG Zhen-Xia,

Institute of Nuclear Research, Chinese Academy of Sciences, Shanghai 201800, China2 The Department of Material Science, Fudan University, Shanghai 200433, China

Received Date: 2002-01-28
Accepted Date: 1900-01-01
Available Online: 2002-12-05

Abstract: The identical graphite targets were irradiated by 60keV Ni⁺and Ar⁺ ions with the fluences of 10¹⁸/cm² in turns under the same experimental conditions. Using high-resolution transmission electron microscope (HRTEM) with energy dispersive X-ray (EDX) and electron diffraction (ED), we found different-size nanoscale Ar-bubbles embedded in glass-carbon-like membranes for the first time. Moreover, in part of these nanobubbles Ar may have been formed into a solid-like structures.