Abstract ZnO when doped with magnetic or non-magnetic oxides it behaves ferromagnetically. They have great physical significance due to the combination of semiconducting and magnetic properties. Here, we report the synthesis and characterization of La2O3 doped zinc oxide thin films. ZnO thin films with additions of La2O3 were deposited by the sol-gel dip coating method. The films were uniform, compact and transparent. X-ray diffraction spectra confirm hexagonal wurtzite structure. The surface morphology of thin films was granular. All thin films show a normal dielectric dispersion behavior. The AC conductivity was used to explore the barrier height, the hoping distance, and the density of localized states at Fermi level. An increase in the optical band gap with the increase in content of La2O3 dopant was obtained. Films have shown ferromagnetism and strong antibacterial activity against k.pnumenia bacterial strains. So, La2O3 doped zinc oxide can be used to treat pneumonia.

中文翻译：

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新型 La2O3 掺杂 ZnO 薄膜的抗菌、磁性、光学和介电分析

摘要 ZnO 在掺杂磁性或非磁性氧化物时表现出铁磁性。由于半导体和磁性的结合，它们具有重要的物理意义。在这里，我们报告了 La2O3 掺杂氧化锌薄膜的合成和表征。通过溶胶-凝胶浸涂法沉积添加了 La2O3 的 ZnO 薄膜。薄膜均匀、致密且透明。X 射线衍射光谱证实了六方纤锌矿结构。薄膜的表面形态为颗粒状。所有薄膜都表现出正常的介电色散行为。交流电导率用于探索费米能级的势垒高度、希望距离和局域态密度。随着 La2O3 掺杂剂含量的增加，光学带隙也随之增加。薄膜显示出铁磁性和对肺炎克雷伯菌菌株的强抗菌活性。因此，La2O3掺杂的氧化锌可用于治疗肺炎。