ZnO films, doped with 2.9 atom% Cu, were prepared by radio frequency magnetron sputtering on sapphire substrate at diffe......

The angle dependence of optical phonon modes of an AlN bulk single crystal from the m-plane(1100) and c-plane(0001) surf......

为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......

...