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kqp1982木虫 (著名写手)
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对VLS机理的理解有帮助
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http://springer.lib.tsinghua.edu ... 150605/fulltext.pdf Growth parameters and shape specific synthesis of silicon nanowires by the VLS method When the gold nanoparticles are present on the growth substrate, the VLS process proceeds in three main steps. Firstly, the alloying process consists of the formation of liquid droplet containing the metal catalyst and dissolved Si. For gold, the eutectic composition is obtained at 363 C. Secondly, when the silicon concentration reaches the upper solubility limit, nanowire nucleation commences. At this stage, a three phase biphasic system (SiH4 gas, Au/Si alloy............... |
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2楼2009-10-18 12:34:38