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1. Fabrication and characterization of Ag-implantation modificated TiO2 films followed with thermal annealing | |||
Xiao Xiangheng,Xu Jinxia,Ren Feng,Cai Guangxu | |||
Nuclear Science and Technology 12 January 2013 | |||
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Abstract:TiO2 thin films fabricated by direct-current (DC) reactive magnetron sputtering were implanted with Ag ions at 30 kV to fluences of 1×1016, 3×1016 and 5×1016 ions/cm2, and subsequently annealed at 500 C for 2 h under Ar ambient. Cross-sectional transmission electron microscopy and X-ray photoelectron spectroscopy studies showed that the implanted Ag ions were incorporated in TiO2 to form Ag2O after thermal annealing. The Ag-implanted TiO2 film with fluence of 3×1016 ions/cm2 after an annealing showed improved photocatalytic efficiency comparing to TiO2 film. When the implantation fluence increased to the 5×1016 ions/cm2, the sample showed poorer phtotcatalytic efficiency. These results indicate that there exists an optimum Ag ions implantation fluence. The photocatalytic behavior can be explained by the effect of Ag+ on the physicochemical properties in terms of electronic structures and film texture. | |||
TO cite this article:Xiao Xiangheng,Xu Jinxia,Ren Feng, et al. Fabrication and characterization of Ag-implantation modificated TiO2 films followed with thermal annealing[OL].[12 January 2013] http://en.paper.edu.cn/en_releasepaper/content/4514747 |
2. Deposition of Potential Energy in Solid by the Interaction of Slow Highly Charged Ions with Solid Surface | |||
Guixia Yang,Tieshan Wang,Shengjin Liu,Yuncheng Han,Liang Chen,Xiang Yang,Xiuyu Yang | |||
Nuclear Science and Technology 04 November 2008 | |||
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Abstract:The defects on a highly oriented pyrolytic graphite (HOPG) surface induced by slow highly charged Arq+ ions with impact energy of 20-2000qeV are investigated with scanning probe microscopy (SPM). The average lateral size and height of nano-dots were obtained. Their dependency on the potential and kinetic energy of HCIs were discussed. A Coulomb Explosion (CE) model was applied to analysis nano-defect effect. According to the calculated results, the ratio of the potential energy of HCI deposited on the solid surface can be known. Besides, formation mechanism and height of the nano-dots are discussed. | |||
TO cite this article:Guixia Yang,Tieshan Wang,Shengjin Liu, et al. Deposition of Potential Energy in Solid by the Interaction of Slow Highly Charged Ions with Solid Surface[OL].[ 4 November 2008] http://en.paper.edu.cn/en_releasepaper/content/25380 |
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