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有限尺寸效应
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有限尺寸效应
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finite size effect
有限尺寸效应
对于纳米颗粒材料,当其尺寸小到与光波波长、磁相干长度或声子平均自由程等物理特征长度相当甚至更小时,导致材料在声、光、电、磁、热等方面出现新的有别于宏观状态下的物理性质的变化。一般的宏观物体尺寸总是有限的,但物理性质上并不表现出尺寸带来的影响。
Physics
凝聚态物理学
特殊物相与极端条件
finite size effect
有限尺寸效应
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