Thermal conductivity measurement of InGaAs/InGaAsP superlattice thin films

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有不同时期长度的 InGaAs/ InGaAsP 超点阵的热传导性用 3m 方法从 100 ~ 320 K 被测量。在这个温度范围,热传导性被发现随温度的增加减少。为 periodlength 家属热电导率,最小的价值确实在某个时期长度存在,它在短时期长度表明那,热电导率在时期长度与减少增加的 superiattice。当时期比某个时期长度长时,热抵抗在声子运输统治的接口。试验性、理论的结果从格子动力学分析证实了以前的预言,即随时期长度的增加,在超点阵的声子运输的主导的机制将从波浪模式变到粒子模式。这为声
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