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The preparation of high quality ZnO/Si substrates for the growth of GaN blue light emitting materials is considered. ZnO thin films have been deposited on Si (100) and Si (111) substrates by conventional magnetron sputtering. Morphology, crystallinity and c-axis preferred orientation of ZnO thin films have been investigated by transmitting electron microscopy (TEM), X-ray diffraction (XRD) and X-ray rocking curve (XRC). It is proved that the ZnO thin films have perfect structure. The full-width-at-half-maximum (FWHM) of the ZnO(002) XRC of these films is about 1°, while the minimum is 0.353°. This result is better than the minimum FWHM (about 2°) reported by other research groups. Moreover, comparison and discussion are given on film structure of ZnO/Si(100) and ZnO/Si(111). 相似文献
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多种基底上溅射沉积ZnO薄膜的结构 总被引:4,自引:0,他引:4
在玻璃基底和四种硅基底上用反应式直流磁控溅射法制备了ZnO薄膜。用AES和XRD对薄膜结构和组分进行测试,结果表明,五种基底上生长的ZnO薄膜在不同程度上都具有优良的纵均匀性、明显的c轴择优取向和较高的结晶度,而硅基底上薄膜的结构普遍优于玻璃基底上沉积的薄膜。 相似文献
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