采用传统的固相烧结法制备出纯相CuLaO2粉末,以此为靶材,首次采用射频磁控溅射法制备CuLaO2薄膜并进行退火研究,得到了具有少量杂相的CuLaO2薄膜.其透过率在红外光区较高,近70%,可见光范围相对较低.CuLaO2薄膜的电导率约6.7×10^-4S/cm.对比分析了CuLaO2粉末及薄膜室温光致发光性能.测试结果表明,粉末和薄膜在450nm~650nm范围都有明显的发光带,而薄膜有少量的杂峰,杂峰是由于La2O3、Cu的氧化物及石英衬底的影响.
Polycrystalline CuLaO2 powders were synthesized with a conventional solid -state reaction method. Then CuLaO2 thin films with less impurity phases were prepared by RF magnetron sputtering for the first time. The transmittance is about 70% in the infrared range, but relatively low in the visible region. At room temperature, the electrical conductivity is about 6.7 ×10^-4 S cm^-1. In addition, the photoluminescence property of CuLaO2 powders and thin film were investigated. CuLaO2 powders and thin film exhibit a broad emission band in the region of 450 nm - 650 rim. However, the emission spectra of CuLaO2 thin film show some noised peaks, which are mainly due to the quartz substrate and the impurity phases La2O3, CuO and so on.