采用聚硅氮烷前驱体在高温常压下热裂解方法制备了SiC纳米棒。透射电镜图表明SiC纳米棒中包含有独特的层状结构，电子能谱表明SiC纳......

采用传输矩阵法研究了两种色散单负材料组成三明治结构的共振隧穿特性，结果表明如果该结构满足耦合匹配条件时，共振隧穿峰发生吞并。......

Due to the incompatibility of the interlaminar deformations,the interface debonding or craking usually happens in a laye......