CoAs3结构的Skutterudite化合物具有复杂的能带结构,较大的空穴迁移率.通过适当的掺杂,可使Skutterudite化合物的笼状孔隙形成部分填充,使填隙原子处于"跳动"状态,从而产生对声子散射作用,降低Skutterudite化合物的热导率.
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