基于超声浸水透射技术,分别沿着二维正方晶格钢/水声子晶体第一布里渊Γ-X和Γ-M方向测试声带隙,详细分析了声子晶体Γ-X和Γ-M方向层厚和第一方向带隙稳定性的关系,进而为设计有限尺寸声带隙材料或声波器件提供重要参考依据.同时,对比了实验测得透射谱频率重合范围与平面波展开法计算完全带隙很好的吻合.
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