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4篇 您的检索式:作者名="Gromball"
    题名 作者 年代 出处 被引量
1Micro-structured flow fields for small fuel cells显示文摘M. Müller C. Müller F. Gromball M. W?lfle W. Menz 2003Microsystem Technologies2003,,3:1
2Microsystem Technol显示文摘Muller M Muller C Gromball F 2003(9) : 159-1622003,,9:1
3Micro-Structured Flow Fields for Small Fuel Cells显示文摘Muller M Muller C Gromball F Wolfle M Menz W 2003Microsystern Technologies2003,9,:1
4Surface morphology and impurity distribution of electron beam recrystallized silicon films on low cost substrates for solar cell absorber显示文摘A line shaped electron beam recrystallised polycrystalline silicon film on the low cost substrate was investigated for the use of the solar cell absorber. The applied EB energy density strongly influences the surface morphology of the film system. Lower EB energy density results in droplet morphology and the rougher SiO2 capping layer due to the low fluidity. With the energy increasing, the capping layer becomes smooth and continuous and less and small pinholes form in the silicon film. Tungstendisilicide (WSi2) is formed at the interface tungsten/silicon but also at the grain boundaries of the silicon. Because of the fast melting and cooling of the silicon film, the eutectic of silicon and tungstendisilicide mainly forms at the grain boundary of the primary silicon dendrites. The SEM-EDX analysis shows that there are no chlorine and hydrogen in the area surrounding a pinhole after recrystallization because of outgassing during the solidification.GROMBALL F MüLLER J 2006Rare Metals2006,25,z1:0
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