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快重离子在石墨中引起表面及体径迹的STM研究
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作者 刘杰 R.Neumann +3 位作者 C.Trautmann C.Müller 侯明东 金运范 《核技术》 CAS CSCD 北大核心 2002年第7期501-505,共5页
用多种快重离子辐照高定向石墨 (HOPG) ,借助扫描隧道显微镜 (STM )系统地研究了表面及体内缺陷。结果表明 ,离子在表面及解理面上都形成了小丘状的缺陷 ,且在表面较容易形成 。
关键词 重离子 高定向石墨 扫描隧道显微镜 辐射损伤 径迹
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Status Report of the MS-ECRIS Construction
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作者 G.Ciavola S.Gammino +23 位作者 L.Celona F.Consoli G.Gallo D.Mascali S.Passarello M.Cavenago A.Galatà P.Spaedtke K.Tinschert H.Koivisto P.Suominen O.Tarvainen C.Baruè M.Lechartier R.Leroy J.P.M.Beijers S.Brandenburg H.R.Kremers D.Vanrooyen D.Kuchler D.Hitz P.Seyfert L.Schachter S.Dobrescu 《Chinese Physics C》 SCIE CAS CSCD 北大核心 2007年第S1期13-17,共5页
The design of each component of the Multipurpose Superconducting ECR Ion Source(MS-ECRIS) has been completed and some items are ready.The magnets and the cryostat are under construction at ACCEL and the commissioning ... The design of each component of the Multipurpose Superconducting ECR Ion Source(MS-ECRIS) has been completed and some items are ready.The magnets and the cryostat are under construction at ACCEL and the commissioning is scheduled for March 2007.The mechanical have been optimized and their construction is under way;the microwave system is under refurbishment and the 65kV power supply is available and upgraded for afterglow operations.Pumping and extraction system were adapted to the EIS testbench of GSI Darmstadt.The description of each part will be given in the paper along with a schedule of the forthcoming development and experiments. 展开更多
关键词 ECR ION SOURCES ACCELERATOR ION BEAMS magnetic field microwaves
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