Magnesium oxide thin films on Y-cut lithium niobate single crystal substrate are prepared by sol-gel processing then a Mg-ion indiffusion process is applied to study its surface characteristics .

利用溶胶－凝胶工艺在 Y 切铌酸锂 单晶基片衬底上制备氧化镁薄膜，经镁离子内扩散后，进行了其表面改性研究。