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Near-surface investigation of positron diffusion length in helium-implanted Fe9Cr and its ODS variant

文献类型：期刊论文

作者Degmova, Jarmila3; Krsjak, Vladimir3; Shen, Tielong2; Veternikova, Jana Simeg3; Gatciova, Andrea3; Sojak, Stanislav3; Hruska, Petr1
刊名APPLIED SURFACE SCIENCE
出版日期2021-02-01
卷号538页码:5
关键词F/m steels He+ implantation Slow positron Doppler broadening technique Positron diffusion length
ISSN号0169-4332
DOI10.1016/j.apsusc.2020.148004
通讯作者Degmova, Jarmila(jarmila.degmova@stuba.sk)
英文摘要In the present paper, we employ the depth sensitive slow positron Doppler broadening technique to characterise the positron diffusion in various near-surface layers of He+ implanted f/m steels. One of the frequently used positron annihilation parameters, with a high sensitivity to radiation-induced defects in a wide range of displacement damage, is the positron diffusion length. This parameter expresses the probability of the back diffusion of positrons to the surface and reflects the microstructural damage. Via the application of VEPFIT program on Doppler broadening spectroscopy data obtained on helium-implanted Fe9Cr and ODS Fe9Cr steels, we determined the changes in diffusion length and thickness of corresponding layers due to implantation.
WOS关键词FE-CR ALLOYS ; DEFECTS ; IRRADIATION ; EVOLUTION ; STEELS ; BEAM
资助项目Scientific Grant Agency of the Ministry of Education, Science, Research and Sport of the Slovak Republic ; Slovak Academy of Sciences[VEGA 1/0382/20] ; Slovak Academy of Sciences[VEGA 1/0395/20] ; Slovak Research Agency[313011U413] ; Slovak Research Agency[OPVaI-VA/DP/2018/1.1.2-01]
WOS研究方向Chemistry ; Materials Science ; Physics
语种英语
WOS记录号WOS:000595140800006
出版者ELSEVIER
资助机构Scientific Grant Agency of the Ministry of Education, Science, Research and Sport of the Slovak Republic ; Slovak Academy of Sciences ; Slovak Research Agency
源URL[http://119.78.100.186/handle/113462/138462]  
专题中国科学院近代物理研究所
通讯作者Degmova, Jarmila
作者单位1.Czech Acad Sci, Inst Phys, Na Slovance 1999-2, Prague 18221, Czech Republic
2.Chinese Acad Sci, Inst Modern Phys, Lanzhou 730000, Gansu, Peoples R China
3.Slovak Univ Technol Bratislava, Fac Elect Engn & Informat Technol, Inst Nucl & Phys Engn, Ilkovicova 3, Bratislava 81219, Slovakia
推荐引用方式
GB/T 7714		 Degmova, Jarmila,Krsjak, Vladimir,Shen, Tielong,et al. Near-surface investigation of positron diffusion length in helium-implanted Fe9Cr and its ODS variant[J]. APPLIED SURFACE SCIENCE,2021,538:5.
APA Degmova, Jarmila.,Krsjak, Vladimir.,Shen, Tielong.,Veternikova, Jana Simeg.,Gatciova, Andrea.,...&Hruska, Petr.(2021).Near-surface investigation of positron diffusion length in helium-implanted Fe9Cr and its ODS variant.APPLIED SURFACE SCIENCE,538,5.
MLA Degmova, Jarmila,et al."Near-surface investigation of positron diffusion length in helium-implanted Fe9Cr and its ODS variant".APPLIED SURFACE SCIENCE 538(2021):5.

入库方式： OAI收割

来源：近代物理研究所

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