通过调控水和乙二胺溶液的组份控制产物的形貌和结构,制备了铋纳米线和铋纳米片,研究了组份变化对产物形貌结构的影响,并依此提出了乙二胺模板效应以及由乙二胺引起的从动力学向热力学转换控制晶体生长的生长机制.铋纳米线的体膨胀系数随着温度的升高减小,并在一转变温度(455℃左右,低于块体的转变温度)变为负值.
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