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首页> 外文期刊>Microelectronic Engineering >Study of interaction between silicon surfaces in dilute ammonia peroxide mixtures (APM) and their components using atomic force microscope (AFM)
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Study of interaction between silicon surfaces in dilute ammonia peroxide mixtures (APM) and their components using atomic force microscope (AFM)

机译:用原子力显微镜(AFM)研究稀的过氧化氨混合物(APM)中的硅表面与其组分之间的相互作用

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Force measurements have been conducted between H-terminated Si surface and Si tip in Dl-water, NH_4OH:H_2O (1:100), H_2O_2:H_2O (1:100) and NH_4OH:H_2O_2:H_2O (1:1:100-1:1:500) solutions as a function of immersion time using atomic force microscopy (AFM). The approach force curve results show attractive forces in DI-water, NH_4OH:H_2O (1:100) and H_2O_2:H_2O (1:100) solutions at separation distances of less than 10 nm for all immersion times (2,10 and 60 min) investigated in this study. In the case of dilute ammonia-hydrogen peroxide mixtures, the interaction forces are purely repulsive within 2 min of immersion time. The adhesion forces have also been measured between the surface and the tip in Dl-water, NH_4OH:H_2O (1:100) and H_2O_2:H_2O (1:100) solutions. The magnitude of the adhesion force is in the range of 0.8-10.5 nN in these solutions. In dilute APM solutions, no adhesion force is measured between the surface and the tip and repulsive forces dominated at all separation distances.
机译:在去离子水,NH_4OH:H_2O(1:100),H_2O_2:H_2O(1:100)和NH_4OH:H_2O_2:H_2O(1:1:100-1)中的H端接的Si表面和Si尖端之间进行了力测量:1:500)溶液作为浸入时间的函数,使用原子力显微镜(AFM)。逼近力曲线结果表明,在所有浸没时间(2,10和60分钟)下,DI-水,NH_4OH:H_2O(1:100)和H_2O_2:H_2O(1:100)溶液中的分离距离均小于10 nm时具有吸引力)进行了这项研究。在稀氨水-过氧化氢混合物的情况下,相互作用力在浸入时间的2分钟内是完全排斥的。还已经在去离子水,NH_4OH:H_2O(1:100)和H_2O_2:H_2O(1:100)溶液中的表面和尖端之间测量了粘附力。在这些溶液中,粘附力的大小在0.8-10.5nN的范围内。在稀APM溶液中,在表面和吸头之间没有测量到粘附力,并且在所有分离距离下排斥力都占主导地位。

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