铝-氧化铜可反应性桥膜的制备及表征

采用磁控溅射技术在衬底基片上制备了Al-CuO复合桥膜。利用扫描电镜、X射线衍射对复合桥膜的微观形貌和晶相结构进行了表征。采用恒压电源对复合桥膜进行了通电点火实验,通过对比Al桥膜和Al-CuO复合桥膜的电流变化曲线、对桥膜点火后的晶相结构进行XRD分析、利用高速摄影仪观察复合桥膜的点火过程,从而对复合桥膜的化学反应性能进行了表征。结果表明,复合桥膜具有分层结构,Al膜和CuO膜皆由均匀、近似球状的纳米晶粒构成,Al-CuO复合桥膜在通电后发生了氧化还原反应。

Preparation and Characterization of Al-CuO Reactive Bridge Film

Al-CuO composite bridge films were successfully deposited on the substrates by means of magnetron sputtering. The morphology and phase constitution of the prepared samples were investigated by SEM and XRD. The Al-CuO composite bridge film was ignited using a constant voltage power supply. The current variations of Al bridge film and Al-CuO composite bridge film were compared. The phase constitution of the composite bridge film after ignition was investigated by XRD. The ignition process of the composite bridge film was recorded by high speed photography. The results show that the composite bridge film had a layered structure, that the films consisted of homogeneous and approximatively spherical nanocrystals and that there was a redox reaction initiated by the heat generated from electrification in the Al-CuO composite bridge film.